Partial CMB maps: bias removal and optimal binning of the angular power spectrum (2009)
We present a semi-analytical method to investigate the systematic and statistical effects of the calculated angular power spectrum, when partial (incomplete) spherical maps are used. The computed...
Tisserand, P., Wood, P. R., Marquette, J. B., Afonso, C., Albert, J. N., Andersen, J., ...
R Coronae Borealis stars (RCB) are a rare type of evolved carbon-rich supergiant stars that are increasingly thought to result from the merger of two white dwarfs, called the Double degenerate...
Rahal, Y. R., Afonso, C., Andersen, J., Ansari, R., Aubourg, E., ...
The EROS-2 project has been designed to search for microlensing events towards any dense stellar field. The densest parts of the Galactic spiral arms have been monitored to maximize the microlensing...
The beat Cepheids in the Magellanic Clouds: an analysis from the EROS-2 database (2009)
Marquette, J. B., Beaulieu, J. P., Buchler, J. R., Szabo, R., Tisserand, P., Belghith, S., ...
A number of microlensing dark-matter surveys have produced tens of millions of light curves of individual background stars. These data provide an unprecedented opportunity for systematic studies of...
Rahal, Y.R., Afonso, C., Andersen, J., Ansari, R., Aubourg, E., ...
the EROS-2 project has been designed to search for microlensing events towards any dense stellar field. The densest parts of the Galactic spiral arms have been monitored to maximize the microlensing...
Rahal, Y.R., Afonso, C., Andersen, J., Ansari, R., Aubourg, E., ...
the EROS-2 project has been designed to search for microlensing events towards any dense stellar field. The densest parts of the Galactic spiral arms have been monitored to maximize the microlensing...
Rahal, Y.R., Afonso, C., Andersen, J., Ansari, R., Aubourg, E., ...
the EROS-2 project has been designed to search for microlensing events towards any dense stellar field. The densest parts of the Galactic spiral arms have been monitored to maximize the microlensing...
Partial CMB maps: bias removal and optimal binning of the angular power spectrum (2009)
We present a semi-analytical method to investigate the systematic and statistical effects of the calculated angular power spectrum, when partial (incomplete) spherical maps are used. The computed...
Partial CMB maps: bias removal and optimal binning of the angular power spectrum (2009)
We present a semi-analytical method to investigate the systematic and statistical effects of the calculated angular power spectrum, when partial (incomplete) spherical maps are used. The computed...
Partial CMB maps: bias removal and optimal binning of the angular power spectrum (2009)
We present a semi-analytical method to investigate the systematic and statistical effects of the calculated angular power spectrum, when partial (incomplete) spherical maps are used. The computed...
Reconstruction of HI power spectra with radio-interferometers to study dark energy (2008)
Ansari, R., Goff, J. -M. Le, Magneville, Ch., Moniez, M., Palanque-Delabrouille, N., Rich, J., ...
Among the tools available for the study of the dark energy driving the expansion of the Universe, Baryon Acoustic Oscillations (BAO) and their effects on the matter power spectrum are particularly...
Marquette, J. B., Tisserand, P., Francois, P., Beaulieu, J. P., Doublier, V., Lesquoy, E., ...
For seven years, the EROS-2 project obtained a mass of photometric data on variable stars. We present a peculiar Cepheid-like star, in the direction of the Small Magellanic Cloud, which demonstrates...
Eye Tracking Using Markov Models (2008)
A. M. Bagci, R. Ansari, A. Khokhar, E. Cetin
We propose an eye detection and tracking method based on color and geometrical features of the human face using a monocular camera. In this method a decision is made on whether the eyes are closed or...
R Coronae Borealis stars in the Galactic Bulge discovered by EROS-2 (2008)
Tisserand, P., Marquette, J. B., Wood, P. R., Lesquoy, E., Beaulieu, J. P., Milsztajn, A., ...
Rare types of variable star may give unique insight into short-lived stages of stellar evolution. The systematic monitoring of millions of stars and advanced light curve analysis techniques of...
Searching for Galactic Hidden Gas through interstellar scintillation (2008)
Moniez, M., Ansari, R., Habibi, F.
Considering the results of baryonic compact massive ob jects searches through microlensing [1], cool molecular hydrogen (H_2 - He) clouds should now be seriously considered as a possible major...
Searching for Galactic Hidden Gas through interstellar scintillation (2008)
Moniez, M., Ansari, R., Habibi, F.
Considering the results of baryonic compact massive ob jects searches through microlensing [1], cool molecular hydrogen (H_2 - He) clouds should now be seriously considered as a possible major...
Searching for Galactic Hidden Gas through interstellar scintillation (2008)
Moniez, M., Ansari, R., Habibi, F.
Considering the results of baryonic compact massive ob jects searches through microlensing [1], cool molecular hydrogen (H_2 - He) clouds should now be seriously considered as a possible major...
European Organization For Nuclear Research (2007)
J. Alitti, G. Ambrosini, R. Ansari, D. Autiero, G. Blaylock, ...
The two--jet invariant mass spectrum as measured in the UA2 experiment is used to search for additional heavy vector bosons decaying to two--jets. The mass of an additional W boson that couples to...
Microlensing towards the Small Magellanic Cloud EROS 2: first year survey (2007)
Microlensing Small, Magellanic Cloud, N. Palanque-Delabrouille, C. Afonso, J. N. Albert, J. Andersen, ...
. We present here an analysis of the light curves of 5.3 million stars in the Small Magellanic Cloud observed by EROS (Exp'erience de Recherche d'Objets Sombres). One star exhibits a...
Astronomy And Astrophysics (2007)
Eros Intensive, C. Afonso, C. Alard, J. Andersen, R. Ansari, E. Aubourg, ...
. We report on intensive photometric monitoring on 18 June 1998 of MACHO SMC-98-1, a binarylens microlensing event seen toward the Small Magellanic Cloud (SMC). The observations cover 5.3 hours (UT...
AGAPEROS: Searches for microlensing in the LMC with the Pixel Method (2007)
Ii Selection, C. Afonso, R. Ansari, E. Aubourg, P. Baillon, ...
. We apply the pixel method of analysis (sometimes called "pixel lensing") to a small subset of the EROS1 microlensing observations of the bar of the Large Magellanic Cloud (LMC). The pixel...
AGAPEROS: Searches for microlensing in the LMC with the Pixel Method (2007)
Data Treatment, C. Afonso, R. Ansari, E. Aubourg, P. Baillon, ...
. The presence and abundance of MAssive Compact Halo Objects (MACHOs) towards the Large Magellanic Cloud (LMC) can be studied with microlensing searches. The 10 events detected by the EROS and MACHO...
EROS and MACHO Combined Limits on Planetary Mass Dark Matter in the Galactic Halo (2007)
Alcock Allsman, C. Alcock, R. A. Allsman, D. Alves, R. Ansari, E. Aubourg, ...
The EROS and MACHO collaborations have each published upper limits on the amount of planetary mass dark matter in the Galactic Halo obtained from gravitational microlensing searches. In this paper...
Will Be Inserted, R. Ansari, P. Baillon, G. Coupinot, P. Gondolo, J. Hecquet, ...
AgapeZ1 is the brightest and the shortest duration microlensing candidate event found to date in the Agape experiment. It occurred only 42 from the centre of M31 at RA = 0 h 42 m 41:47 s and Dec = 41...
Galactic bulge microlensing optical depth from eros-2 (2007)
Hamadache, C., Le Guillou, L., Tisserand, P., Afonso, C., Albert, J.N., Andersen, J., ...
We present a new EROS-2 measurement of the microlensing optical depth toward the Galactic Bulge. Light curves of $5.6\times 10^{6}$ clump-giant stars distributed over $66 \deg^2$ of the Bulge were...
The OGLE-II event sc5_2859 : a Classical Nova outburst? (2007)
Afonso, C., Glicenstein, J.F., Gould, A., Smith, M.C, Albert, J.N., Andersen, J., ...
The OGLE-II event sc5_2859 was previously identified as the third longest microlensing event ever observed. Additional photometric observations from the EROS (Experience de Recherche d'Objets...
Tisserand, P., Le Guillou, L., Afonso, C., Albert, J.N., Andersen, J., Ansari, R., ...
The EROS-2 project was designed to test the hypothesis that massive compact halo objects (the so-called ``machos'') could be a major component of the dark matter halo of the Milky Way galaxy. To this...
The OGLE-II event sc5_2859 : a Classical Nova outburst? (2007)
Afonso, C., Glicenstein, J.F., Gould, A., Smith, M.C, Albert, J.N., Andersen, J., ...
The OGLE-II event sc5_2859 was previously identified as the third longest microlensing event ever observed. Additional photometric observations from the EROS (Experience de Recherche d'Objets...
Galactic bulge microlensing optical depth from eros-2 (2007)
Hamadache, C., Le Guillou, L., Tisserand, P., Afonso, C., Albert, J.N., Andersen, J., ...
We present a new EROS-2 measurement of the microlensing optical depth toward the Galactic Bulge. Light curves of $5.6\times 10^{6}$ clump-giant stars distributed over $66 \deg^2$ of the Bulge were...
Tisserand, P., Le Guillou, L., Afonso, C., Albert, J.N., Andersen, J., Ansari, R., ...
The EROS-2 project was designed to test the hypothesis that massive compact halo objects (the so-called ``machos'') could be a major component of the dark matter halo of the Milky Way galaxy. To this...
The OGLE-II event sc5_2859 : a Classical Nova outburst? (2007)
Afonso, C., Glicenstein, J.F., Gould, A., Smith, M.C, Albert, J.N., Andersen, J., ...
The OGLE-II event sc5_2859 was previously identified as the third longest microlensing event ever observed. Additional photometric observations from the EROS (Experience de Recherche d'Objets...
Galactic bulge microlensing optical depth from eros-2 (2007)
Hamadache, C., Le Guillou, L., Tisserand, P., Afonso, C., Albert, J.N., Andersen, J., ...
We present a new EROS-2 measurement of the microlensing optical depth toward the Galactic Bulge. Light curves of $5.6\times 10^{6}$ clump-giant stars distributed over $66 \deg^2$ of the Bulge were...
Tisserand, P., Le Guillou, L., Afonso, C., Albert, J.N., Andersen, J., Ansari, R., ...
The EROS-2 project was designed to test the hypothesis that massive compact halo objects (the so-called ``machos'') could be a major component of the dark matter halo of the Milky Way galaxy. To this...
The Cosmic Microwave Background Anisotropy Power Spectrum measured by Archeops (2007)
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We present a determination by the Archeops experiment of the angular power spectrum of the cosmic microwave background anisotropy in 16 bins over the multipole range l=15-350. Archeops was conceived...
The Cosmic Microwave Background Anisotropy Power Spectrum measured by Archeops (2007)
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We present a determination by the Archeops experiment of the angular power spectrum of the cosmic microwave background anisotropy in 16 bins over the multipole range l=15-350. Archeops was conceived...
The Cosmic Microwave Background Anisotropy Power Spectrum measured by Archeops (2007)
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We present a determination by the Archeops experiment of the angular power spectrum of the cosmic microwave background anisotropy in 16 bins over the multipole range l=15-350. Archeops was conceived...
Archeops In-flight Performance, Data Processing and Map Making (2007)
Macias-Perez, J.F., Lagache, G., Maffei, B., Ade, P., Amblard, A., Ansari, R., ...
Archeops is a balloon--borne experiment widely inspired by the Planck satellite and by its High Frequency Instrument (HFI). It is mainly dedicated to measure the Cosmic Microwave Background (CMB)...
Archeops In-flight Performance, Data Processing and Map Making (2007)
Macias-Perez, J.F., Lagache, G., Maffei, B., Ade, P., Amblard, A., Ansari, R., ...
Archeops is a balloon--borne experiment widely inspired by the Planck satellite and by its High Frequency Instrument (HFI). It is mainly dedicated to measure the Cosmic Microwave Background (CMB)...
Archeops In-flight Performance, Data Processing and Map Making (2007)
Macias-Perez, J.F., Lagache, G., Maffei, B., Ade, P., Amblard, A., Ansari, R., ...
Archeops is a balloon--borne experiment widely inspired by the Planck satellite and by its High Frequency Instrument (HFI). It is mainly dedicated to measure the Cosmic Microwave Background (CMB)...
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bartlett, J., ...
Archeops is a balloon-borne instrument dedicated to measuring cosmic microwave background (CMB) temperature anisotropies at high angular resolution (8 arcminutes) over a large fraction (25%) of the...
Cosmological constraints from Archeops (2007)
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We analyze the cosmological constraints that Archeops places on adiabatic cold dark matter models with passive power-law initial fluctuations. Because its angular power spectrum has small bins in l...
Cosmological constraints from Archeops (2007)
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We analyze the cosmological constraints that Archeops places on adiabatic cold dark matter models with passive power-law initial fluctuations. Because its angular power spectrum has small bins in l...
Cosmological constraints from Archeops (2007)
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We analyze the cosmological constraints that Archeops places on adiabatic cold dark matter models with passive power-law initial fluctuations. Because its angular power spectrum has small bins in l...
Ponthieu, N., Macias-Perez, J.F., Tristram, M., Ade, P., Amblard, A., Ansari, R., ...
We present the first measurement of temperature and polarization angular power spectra of the diffuse emission of Galactic dust at 353 GHz as seen by Archeops on 20% of the sky. The temperature...
Ponthieu, N., Macias-Perez, J.F., Tristram, M., Ade, P., Amblard, A., Ansari, R., ...
We present the first measurement of temperature and polarization angular power spectra of the diffuse emission of Galactic dust at 353 GHz as seen by Archeops on 20% of the sky. The temperature...
Ponthieu, N., Macias-Perez, J.F., Tristram, M., Ade, P., Amblard, A., Ansari, R., ...
We present the first measurement of temperature and polarization angular power spectra of the diffuse emission of Galactic dust at 353 GHz as seen by Archeops on 20% of the sky. The temperature...
Sasselov, D.D., Beaulieu, J.P., Renault, C., Grison, P., Ferlet, R., Vidal-Madjar, A., ...
This is an investigation of the period-luminosity relation of classical Cepheids in samples of different metallicity. It is based on 481 Cepheids in the Large and Small Magellanic Clouds from the...
Beaulieu, J.P., Sasselov, D.D., Renault, C., Grison, P., Ferlet, R., Vidal-Madjar, A., ...
Recent HST determinations of the expansion's rate of the Universe (the Hubble constant, H_0) assumed that the Cepheid Period-Luminosity relation at V and I are independent of metallicity (Freedman,...
Limits on Galactic Dark Matter with 5 Years of EROS SMC Data (2007)
Afonso, C., Albert, J.N., Andersen, J., Ansari, R., Aubourg, E., Bareyre, P., ...
Five years of EROS data towards the Small Magellanic Cloud have been searched for gravitational microlensing events, using a new, more accurate method to assess the impact of stellar blending on the...
Bulge Microlensing Optical Depth from EROS 2 observations (2007)
Afonso, C., Albert, J N., Alard, C., Andersen, J., Ansari, R., Aubourg, E., ...
We present a measurement of the microlensing optical depth toward the Galactic bulge based on the analysis of 15 contiguous1 square degrees fields centered on (l=2.5 deg, b=-4.0 deg) and containing...
Cosmological constraints from Archeops (2007)
Benoit, A., Rosset, C., Patanchon, G., Bargot, S., Ade, P., Amblard, A., ...
We analyze the cosmological constraints that Archeops places on adiabatic cold dark matter models with passive power-law initial fluctuations. Because its angular power spectrum has small bins in l...
Bulge Microlensing Optical Depth from EROS 2 observations (2007)
Afonso, C., Albert, J N., Alard, C., Andersen, J., Ansari, R., Aubourg, E., ...
We present a measurement of the microlensing optical depth toward the Galactic bulge based on the analysis of 15 contiguous1 square degrees fields centered on (l=2.5 deg, b=-4.0 deg) and containing...
Limits on Galactic Dark Matter with 5 Years of EROS SMC Data (2007)
Afonso, C., Albert, J.N., Andersen, J., Ansari, R., Aubourg, E., Bareyre, P., ...
Five years of EROS data towards the Small Magellanic Cloud have been searched for gravitational microlensing events, using a new, more accurate method to assess the impact of stellar blending on the...
Bulge Microlensing Optical Depth from EROS 2 observations (2007)
Afonso, C., Albert, J N., Alard, C., Andersen, J., Ansari, R., Aubourg, E., ...
We present a measurement of the microlensing optical depth toward the Galactic bulge based on the analysis of 15 contiguous1 square degrees fields centered on (l=2.5 deg, b=-4.0 deg) and containing...
Limits on Galactic Dark Matter with 5 Years of EROS SMC Data (2007)
Afonso, C., Albert, J.N., Andersen, J., Ansari, R., Aubourg, E., Bareyre, P., ...
Five years of EROS data towards the Small Magellanic Cloud have been searched for gravitational microlensing events, using a new, more accurate method to assess the impact of stellar blending on the...
A slope variation in the Period-Luminosity relation for short period SMC Cepheids (2006)
Bauer, F., Afonso, C., Albert, J N., Andersen, J., Ansari, R., Aubourg, E., ...
We present the Period-Luminosity relations from 290 Cepheids towards the LMC and 590 Cepheids towards the SMC. The two data sets were obtained using the two wide field CCD cameras of the EROS 2...
EROS 2 photometry of probable R Coronae Borealis stars in the small Magellanic cloud (2006)
Tisserand, P., Marquette, J.B., Beaulieu, J.P., De Laverny, P., Lesquoy, E., Milsztajn, A., ...
EROS 2 (Experience de Recherche d'Objets Sombres) conducted a survey of the SMC between July 1996 and February 2003 in two EROS broad-band colours, V_E and R_E. The photometric data of 4.2 million...
EROS 2 photometry of probable R Coronae Borealis stars in the small Magellanic cloud (2006)
Tisserand, P., Marquette, J.B., Beaulieu, J.P., De Laverny, P., Lesquoy, E., Milsztajn, A., ...
EROS 2 (Experience de Recherche d'Objets Sombres) conducted a survey of the SMC between July 1996 and February 2003 in two EROS broad-band colours, V_E and R_E. The photometric data of 4.2 million...
EROS 2 photometry of probable R Coronae Borealis stars in the small Magellanic cloud (2006)
Tisserand, P., Marquette, J.B., Beaulieu, J.P., De Laverny, P., Lesquoy, E., Milsztajn, A., ...
EROS 2 (Experience de Recherche d'Objets Sombres) conducted a survey of the SMC between July 1996 and February 2003 in two EROS broad-band colours, V_E and R_E. The photometric data of 4.2 million...
Type Ia supernova rate at a redshift of ~ 0.1 (2006)
Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...
We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...
Variable stars towards the bulge of M31: the AGAPE catalogue (2006)
Ansari, R., Auriere, M., Baillon, P., Bouquet, A., Coupinot, G., Coutures, Ch., ...
We present the AGAPE astrometric and photometric catalogue of 1579 variable stars in a 14'x10' field centred on M31. This work is the first survey devoted to variable stars in the bulge of M31. The R...
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We present the first determination of the Galactic polarized emission at 353 GHz by Archeops. The data were taken during the Arctic night of February 7, 2002 after the balloon--borne instrument was...
Variable stars towards the bulge of M31: the AGAPE catalogue (2006)
Ansari, R., Auriere, M., Baillon, P., Bouquet, A., Coupinot, G., Coutures, Ch., ...
We present the AGAPE astrometric and photometric catalogue of 1579 variable stars in a 14'x10' field centred on M31. This work is the first survey devoted to variable stars in the bulge of M31. The R...
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We present the first determination of the Galactic polarized emission at 353 GHz by Archeops. The data were taken during the Arctic night of February 7, 2002 after the balloon--borne instrument was...
Type Ia supernova rate at a redshift of ~ 0.1 (2006)
Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...
We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...
Variable stars towards the bulge of M31: the AGAPE catalogue (2006)
Ansari, R., Auriere, M., Baillon, P., Bouquet, A., Coupinot, G., Coutures, Ch., ...
We present the AGAPE astrometric and photometric catalogue of 1579 variable stars in a 14'x10' field centred on M31. This work is the first survey devoted to variable stars in the bulge of M31. The R...
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We present the first determination of the Galactic polarized emission at 353 GHz by Archeops. The data were taken during the Arctic night of February 7, 2002 after the balloon--borne instrument was...
Type Ia supernova rate at a redshift of ~ 0.1 (2006)
Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...
We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...
The CMB temperature power spectrum from an improved analysis of the Archeops data (2006)
Tristram, M., Patanchon, G., Macias-Perez, J.F., Ade, P., Amblard, A., Ansari, R., ...
We present improved results on the measurement of the angular power spectrum of the Cosmic Microwave Background (CMB) temperature anisotropies using the data from the last Archeops flight. This...
The CMB temperature power spectrum from an improved analysis of the Archeops data (2006)
Tristram, M., Patanchon, G., Macias-Perez, J.F., Ade, P., Amblard, A., Ansari, R., ...
We present improved results on the measurement of the angular power spectrum of the Cosmic Microwave Background (CMB) temperature anisotropies using the data from the last Archeops flight. This...
The CMB temperature power spectrum from an improved analysis of the Archeops data (2006)
Tristram, M., Patanchon, G., Macias-Perez, J.F., Ade, P., Amblard, A., Ansari, R., ...
We present improved results on the measurement of the angular power spectrum of the Cosmic Microwave Background (CMB) temperature anisotropies using the data from the last Archeops flight. This...
Observational Limits on Machos in the Galactic Halo (2006)
Renault, C., Afonso, C., Aubourg, E., Bareyre, P., Bauer, F., Brehin, S., ...
We present final results from the first phase of the EROS search for gravitational microlensing of stars in the Magellanic Clouds by unseen deflectors (machos: MAssive Compact Halo Objects). The...
Ansari, R., Cavalier, F., Moniez, M., Aubourg, E., Bareyre, P., Brehin, S., ...
EROS (Exp\'erience de Recherche d'Objets Sombres) has been monitoring the luminosity of 4 million stars in the Large Magellanic Cloud in order to search for gravitational microlensing by unseen...
Microlensing towards the Small Magellanic Cloud - EROS 2 first year survey (2006)
Palanque-Delabrouille, N., Afonso, C., Albert, J-N., Andersen, J., Ansari, R., Aubourg, E., ...
Destriping of polarized data in a CMB mission with a circular scanning strategy (2006)
Revenu, B., Kim, A., Ansari, R., Couchot, F., Delabrouille, J., Kaplan, J.
A major problem in Cosmic Microwave Background (CMB) anisotropy mapping, especially in a total-power mode, is the presence of low-frequency noise in the data streams. If unproperly processed, such...
Melchior, A L., Afonso, C., Ansari, R., Aubourg, E., Baillon, P., Bareyre, P., ...
Recent surveys monitoring millions of light curves of resolved stars in the LMC have discovered several microlensing events. Unresolved stars could however significantly contribute to the...
Melchior, A L., Afonso, C., Ansari, R., Aubourg, E., Baillon, P., Bareyre, P., ...
Recent surveys monitoring millions of light curves of resolved stars in the LMC have discovered several microlensing events. Unresolved stars could however significantly contribute to the...
Destriping of polarized data in a CMB mission with a circular scanning strategy (2006)
Revenu, B., Kim, A., Ansari, R., Couchot, F., Delabrouille, J., Kaplan, J.
A major problem in Cosmic Microwave Background (CMB) anisotropy mapping, especially in a total-power mode, is the presence of low-frequency noise in the data streams. If unproperly processed, such...
Melchior, A L., Afonso, C., Ansari, R., Aubourg, E., Baillon, P., Bareyre, P., ...
Recent surveys monitoring millions of light curves of resolved stars in the LMC have discovered several microlensing events. Unresolved stars could however significantly contribute to the...
Destriping of polarized data in a CMB mission with a circular scanning strategy (2006)
Revenu, B., Kim, A., Ansari, R., Couchot, F., Delabrouille, J., Kaplan, J.
A major problem in Cosmic Microwave Background (CMB) anisotropy mapping, especially in a total-power mode, is the presence of low-frequency noise in the data streams. If unproperly processed, such...
Photometric constraints on microlens spectroscopy of EROS-BLG-2000-5 (2006)
Afonso, C., Albert, J-N., Andersen, J., Ansari, R., Aubourg, E., Bareyre, P., ...
We apply EROS photometric data to interpret previously published Keck and VLT spectra of the binary-microlens caustic-crossing event EROS-BLG-2000-5. We show that the VLT data imply that the outer...
Melchior, A L., Afonso, C., Ansari, R., Aubourg, E., Baillon, P., Bareyre, P., ...
We apply the pixel method of analysis (sometimes called ``pixel lensing'') to a small subset of the EROS-1\ microlensing observations of the bar of the Large Magellanic Cloud (LMC). The pixel method...
EROS 2 proper motion survey : Constraints on the halo white dwarfs (2006)
Goldman, B., Afonso, C., Alard, C., Amadon, A., Andersen, J., ...
Probing galactic structure using micro-lensing with EROS-2 : recent progress and future goals (2006)
EROS has been monitoring few million stars in the Magellanic clouds, as well as toward the Galactic bulge and spiral arms since 1996, to search for microlensing events. In this paper, we present...
Ansari, R., Auriere, M., Baillon, P., Bouquet, A., Coupinot, G., Coutures, C., ...
AgapeZ1 is the brightest and the shortest duration microlensing candidate event found in the Agape data. It occured only 42" from the center of M31. Our photometry shows that the half intensity...
Observation of periodic variable stars towards the galactic spiral arms by EROS II (2006)
Derue, F., Lupone, S., Afonso, C., Alard, C., ...
We present the results of a massive variability search based on a photometric survey of a six square degree region along the Galactic plane at ($l = 305^\circ$, $b = -0.8^\circ$) and ($l =...
Observation of Microlensing towards the Galactic Spiral Arms. EROS II 3 year survey (2006)
Derue, F., Afonso, C., Alard, C., Albert, J-N., Andersen, J., Ansari, R., ...
Not enough stellar mass machos in the galactic halo (2006)
Lasserre, T., Afonso, C., Albert, J-N., Andersen, J., Ansari, R., Aubourg, E., ...
AGAPE: a search for dark matter towards M31 by microlensing effects on unresolved stars (2006)
Ansari, R., Aurire, M., Baillon, P., Bouquet, A., Coupinot, G., Coutures, C., ...
AGAPE : a microlensing search in the direction of M31 : status report (2006)
Ansari, R., Auriere, M., Baillon, P., Bouquet, A., Coupinot, G., Coutures, C., ...
AGAPE, an experiment to detect MACHO's in the direction of the Andromeda galaxy (2006)
Ansari, R., Auriere, M., Baillon, P., Bouquet, A., Coupinot, G., Coutures, C., ...
The status of the Agape experiment to detect Machos in the direction of the andromeda galaxy is presented.
AGAPE: a search for dark matter towards M31 by microlensing effects on unresolved stars (2006)
Ansari, R., Aurire, M., Baillon, P., Bouquet, A., Coupinot, G., Coutures, C., ...
AGAPE : a microlensing search in the direction of M31 : status report (2006)
Ansari, R., Auriere, M., Baillon, P., Bouquet, A., Coupinot, G., Coutures, C., ...
AGAPE: a search for dark matter towards M31 by microlensing effects on unresolved stars (2006)
Ansari, R., Aurire, M., Baillon, P., Bouquet, A., Coupinot, G., Coutures, C., ...
AGAPE : a microlensing search in the direction of M31 : status report (2006)
Ansari, R., Auriere, M., Baillon, P., Bouquet, A., Coupinot, G., Coutures, C., ...
Tisserand, P., Guillou, L. Le, Afonso, C., Albert, J. N., Andersen, J., Ansari, R., ...
The EROS-2 project was designed to test the hypothesis that massive compact halo objects (the so-called ``machos'') could be a major component of the dark matter halo of the Milky Way galaxy. To this...
Ansari, R., Bargot, S., Bourrachot, A., Couchot, F., Haïssinski, J., Henrot-Versillé, S., ...
In this article we present and study a scaling law of the $m\\Gamma_m$ CMB Fourier spectrum on rings which allows us (i) to combine spectra corresponding to different colatitude angles (e.g. several...
Removing the Microlensing Blending-Parallax Degeneracy Using Source Variability (2006)
Assef, R.J., Gould, A., Afonso, C., Albert, J.N., Andersen, J., Ansari, R., ...
Microlensing event MACHO 97-SMC-1 is one of the rare microlensing events for which the source is a variable star, simply because most variable stars are systematically eliminated from microlensing...
Archeops In-flight Performance, Data Processing and Map Making (2006)
Macias-Perez, J. F., Lagache, G., Maffei, B., Ade, P., Amblard, A., Ansari, R., ...
Archeops is a balloon--borne experiment widely inspired by the Planck satellite and by its High Frequency Instrument (HFI). It is mainly dedicated to measure the Cosmic Microwave Background (CMB)...
Galactic Bulge Microlensing Optical Depth from EROS-2 (2006)
Hamadache, C., Guillou, L. Le, Tisserand, P., Afonso, C., Albert, J. N., Andersen, J., ...
We present a new EROS-2 measurement of the microlensing optical depth toward the Galactic Bulge. Light curves of $5.6\times 10^{6}$ clump-giant stars distributed over $66 \deg^2$ of the Bulge were...
Archeops In-flight Performance, Data Processing and Map Making (2006)
Macias-Perez, J.F., Lagache, G., Maffei, B., Ade, P., Amblard, A., Ansari, R., ...
Archeops is a balloon--borne experiment widely inspired by the Planck satellite and by its High Frequency Instrument (HFI). It is mainly dedicated to measure the Cosmic Microwave Background (CMB)...
Archeops In-flight Performance, Data Processing and Map Making (2006)
Macias-Perez, J.F., Lagache, G., Maffei, B., Ade, P., Amblard, A., Ansari, R., ...
Archeops is a balloon--borne experiment widely inspired by the Planck satellite and by its High Frequency Instrument (HFI). It is mainly dedicated to measure the Cosmic Microwave Background (CMB)...
The OGLE-II event sc5_2859 : a Classical Nova outburst? (2006)
Afonso, C., Glicenstein, J.F., Gould, A., Smith, M.C, Albert, J.N., Andersen, J., ...
The OGLE-II event sc5_2859 was previously identified as the third longest microlensing event ever observed. Additional photometric observations from the EROS (Experience de Recherche d'Objets...
Galactic bulge microlensing optical depth from eros-2 (2006)
Hamadache, C., Le Guillou, L., Tisserand, P., Afonso, C., Albert, J.N., Andersen, J., ...
We present a new EROS-2 measurement of the microlensing optical depth toward the Galactic Bulge. Light curves of $5.6\times 10^{6}$ clump-giant stars distributed over $66 \deg^2$ of the Bulge were...
Removing the Microlensing Blending-Parallax Degeneracy Using Source Variability (2006)
Assef, R.J., Gould, A., Afonso, C., Albert, J.N., Andersen, J., Ansari, R., ...
Microlensing event MACHO 97-SMC-1 is one of the rare microlensing events for which the source is a variable star, simply because most variable stars are systematically eliminated from microlensing...
Galactic Bulge microlensing optical depth from EROS-2 (2006)
Hamadache, C., Le Guillou, L., Tisserand, P., Afonso, C., Albert, J. N., Andersen, J., ...
Aims.We present a new EROS-2 measurement of the microlensing optical depth toward the Galactic Bulge. Methods: .Light curves of 5.6× 106 clump-giant stars distributed over 66 deg2 of the Bulge were...
Removing the microlensing blending-parallax degeneracy using source variability (2006)
Assef, R. J., Gould, A., Afonso, C., Albert, J. N., Andersen, J., Ansari, R., ...
Microlensing event MACHO 97-SMC-1 is one of the rare microlensing events for which the source is a variable star, simply because most variable stars are systematically eliminated from microlensing...
The OGLE-II event sc5_2859: A classical nova outburst? (2006)
Afonso, C., Glicenstein, J. F., Gould, A., Smith, M. C., Wagner, R. M., Albert, J. N., ...
Context: .The OGLE-II event sc5_2859 was previously identified as the third longest microlensing event ever observed. Aims: .Additional photometric observations from the EROS (Expérience de...
Photometric Constraints on Microlens Spectroscopy of EROS-BLG-2000-5 (2005)
Afonso, C., Albert, J.N., Andersen, J., Ansari, R., Aubourg, E., Bareyre, P., ...
We apply EROS photometric data to interpret previously published Keck and VLT spectra of the binary-microlens caustic-crossing event EROS-BLG-2000-5. We show that the VLT data imply that the outer 4...
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We present the first determination of the Galactic polarized emission at 353 GHz by Archeops. The data were taken during the Arctic night of February 7, 2002 after the balloon--borne instrument was...
Bulge Microlensing Optical Depth from EROS 2 observations (2005)
Afonso, C., Alard, C., Andersen, J., Ansari, R., Aubourg, E., ...
We present a measurement of the microlensing optical depth toward the Galactic bulge based on the analysis of 15 contiguous1 square degrees fields centered on (l=2.5 deg, b=-4.0 deg) and containing...
EROS 2 proper motion survey: Constraints on the halo white dwarfs (2005)
Goldman, B., Afonso, C., Alard, Ch., Amadon, A., Andersen, J., ...
We are conducting a 377-square-degree proper motion survey in the ~V and I bands in order to determine the cool white dwarf contribution to the Galactic dark matter. Using the 250 square degrees for...
Ponthieu, N., Tristram, M., Ade, P., Amblard, A., Ansari, R., ...
We present the first measurement of temperature and polarization angular power spectra of the diffuse emission of Galactic dust at 353 GHz as seen by Archeops on 20% of the sky. The temperature...
The CMB temperature power spectrum from an improved analysis of the Archeops data (2005)
Tristram, M., Patanchon, G., Macias-Perez, J.F., Ade, P., Amblard, A., Ansari, R., ...
Ponthieu, N., Macias-Perez, J.F., Tristram, M., Ade, P., Amblard, A., Ansari, R., ...
We present the first measurement of temperature and polarization angular power spectra of the diffuse emission of Galactic dust at 353 GHz as seen by Archeops on 20% of the sky. The temperature...
The CMB temperature power spectrum from an improved analysis of the Archeops data (2005)
Tristram, M., Patanchon, G., Macias-Perez, J.F., Ade, P., Amblard, A., Ansari, R., ...
We present improved results on the measurement of the angular power spectrum of the Cosmic Microwave Background (CMB) temperature anisotropies using the data from the last Archeops flight. This...
Ponthieu, N., Macias-Perez, J.F., Tristram, M., Ade, P., Amblard, A., Ansari, R., ...
We present the first measurement of temperature and polarization angular power spectra of the diffuse emission of Galactic dust at 353 GHz as seen by Archeops on 20% of the sky. The temperature...
The CMB temperature power spectrum from an improved analysis of the Archeops data (2005)
Tristram, M., Patanchon, G., Macias-Perez, J.F., Ade, P., Amblard, A., Ansari, R., ...
We present improved results on the measurement of the angular power spectrum of the Cosmic Microwave Background (CMB) temperature anisotropies using the data from the last Archeops flight. This...
Belani, C. P., Lee, J. S., Socinski, M. A., Robert, F., Waterhouse, D., Rowland, K., ...
Background:: The present study was designed to evaluate the efficacy and safety of the regimen of carboplatin plus paclitaxel (investigational arm) versus the reference regimen of cisplatin plus...
The CMB temperature power spectrum from an improved analysis of the Archeops data (2004)
Tristram, M., Patanchon, G., Macias-Perez, J. F., Ade, P., Amblard, A., Ansari, R., ...
We present improved results on the measurement of the angular power spectrum of the Cosmic Microwave Background (CMB) temperature anisotropies using the data from the last Archeops flight. This...
EROS: a galactic microlensing odyssey (2004)
The EROS microlensing survey has monitored nearly 100 million stars for seven years, to search for halo brown dwarfs and compact objects in the Galactic disk. In this paper, we review the various...
EROS: a Galactic Microlensing Odyssey (2004)
The EROS microlensing survey has monitored nearly 100 million stars for seven years, to search for halo brown dwarfs and compact objects in the Galactic disk. In this paper, we review the various...
Variable stars towards the bulge of M31: the AGAPE catalogue (2004)
Ansari, R., Auriere, M., Baillon, P., Bouquet, A., Coupinot, G., Coutures, Ch., ...
We present the AGAPE astrometric and photometric catalogue of 1579 variable stars in a 14'x10' field centred on M31. This work is the first survey devoted to variable stars in the bulge of M31. The R...
Type Ia supernova rate at a redshift of ~;0.1 (2004)
Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...
Type Ia supernova rate at a redshift of ~ 0.1 (2004)
Blanc, G., Afonso, C., Alard, C., Albert, J. N., Aldering, G., Amadon, A., ...
We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...
Variable stars towards the bulge of M31: the AGAPE catalogue (2004)
Ansari, R., Auriere, M., Baillon, P., Bouquet, A., Coupinot, G., Coutures, Ch., ...
We present the AGAPE astrometric and photometric catalogue of 1579 variable stars in a 14\'x10\' field centred on M31. This work is the first survey devoted to variable stars in the bulge of M31. The...
Type Ia supernova rate at a redshift of ~ 0.1 (2004)
Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...
We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...
Variable stars towards the bulge of M31: the AGAPE catalogue (2004)
Ansari, R., Auriere, M., Baillon, P., Bouquet, A., Coupinot, G., Coutures, Ch., ...
We present the AGAPE astrometric and photometric catalogue of 1579 variable stars in a 14'x10' field centred on M31. This work is the first survey devoted to variable stars in the bulge of M31. The R...
EROS 2 photometry of probable R Coronae Borealis stars in the small Magellanic cloud (2004)
Tisserand, P., Marquette, J.B., Beaulieu, J.P., De Laverny, P., Lesquoy, E., Milsztajn, A., ...
EROS 2 (Experience de Recherche d'Objets Sombres) conducted a survey of the SMC between July 1996 and February 2003 in two EROS broad-band colours, V_E and R_E. The photometric data of 4.2 million...
EROS: a galactic microlensing odyssey (2004)
The EROS microlensing survey has monitored nearly 100 million stars for seven years, to search for halo brown dwarfs and compact objects in the Galactic disk. In this paper, we review the various...
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We present the first determination of the Galactic polarized emission at 353 GHz by Archeops. The data were taken during the Arctic night of February 7, 2002 after the balloon--borne instrument was...
Type Ia supernova rate at a redshift of ~ 0.1 (2004)
Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...
We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...
Variable stars towards the bulge of M31: the AGAPE catalogue (2004)
Ansari, R., Auriere, M., Baillon, P., Bouquet, A., Coupinot, G., Coutures, Ch., ...
We present the AGAPE astrometric and photometric catalogue of 1579 variable stars in a 14'x10' field centred on M31. This work is the first survey devoted to variable stars in the bulge of M31. The R...
EROS 2 photometry of probable R Coronae Borealis stars in the small Magellanic cloud (2004)
Tisserand, P., Marquette, J.B., Beaulieu, J.P., De Laverny, P., Lesquoy, E., Milsztajn, A., ...
EROS 2 (Experience de Recherche d'Objets Sombres) conducted a survey of the SMC between July 1996 and February 2003 in two EROS broad-band colours, V_E and R_E. The photometric data of 4.2 million...
EROS: a galactic microlensing odyssey (2004)
The EROS microlensing survey has monitored nearly 100 million stars for seven years, to search for halo brown dwarfs and compact objects in the Galactic disk. In this paper, we review the various...
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We present the first determination of the Galactic polarized emission at 353 GHz by Archeops. The data were taken during the Arctic night of February 7, 2002 after the balloon--borne instrument was...
Study of a strategy for parallax microlensing detection towards the magellanic clouds (2003)
Rahvar, S., Moniez, M., Ansari, R., Perdereau, O.
In this article, we have investigated the possibility to distinguish between different galactic models through the microlensing parallax studies. We show that a systematic search for parallax effects...
Study of a strategy for parallax microlensing detection towards the magellanic clouds (2003)
Rahvar, S., Moniez, M., Ansari, R., Perdereau, O.
In this article, we have investigated the possibility to distinguish between different galactic models through the microlensing parallax studies. We show that a systematic search for parallax effects...
Study of a strategy for parallax microlensing detection towards the magellanic clouds (2003)
Rahvar, S., Moniez, M., Ansari, R., Perdereau, O.
In this article, we have investigated the possibility to distinguish between different galactic models through the microlensing parallax studies. We show that a systematic search for parallax effects...
EROS 2 proper motion survey: a field brown dwarf and an L dwarf companion to LHS 102 (2003)
Goldman, B., Delfosse, X., Forveille, T., Afonso, C., Alard, C., Albert, J.N., ...
We report the discovery of two L dwarfs (the new spectral class defined for dwarfs cooler than the M type) in a two-epoch CCD proper motion survey of 413 square degrees, complemented by infrared...
EROS 2 proper motion survey: a field brown dwarf and an L dwarf companion to LHS 102 (2003)
Goldman, B., Delfosse, X., Forveille, T., Afonso, C., Alard, C., Albert, J.N., ...
We report the discovery of two L dwarfs (the new spectral class defined for dwarfs cooler than the M type) in a two-epoch CCD proper motion survey of 413 square degrees, complemented by infrared...
EROS 2 proper motion survey: a field brown dwarf and an L dwarf companion to LHS 102 (2003)
Goldman, B., Delfosse, X., Forveille, T., Afonso, C., Alard, C., Albert, J.N., ...
We report the discovery of two L dwarfs (the new spectral class defined for dwarfs cooler than the M type) in a two-epoch CCD proper motion survey of 413 square degrees, complemented by infrared...
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We present the first determination of the Galactic polarized emission at 353 GHz by Archeops. The data were taken during the Arctic night of February 7, 2002 after the balloon--borne instrument was...
Discovery and photometry of the binary-lensing caustic-crossing event eros-blg-2000-5 (2003)
Jung, J.M, Albert, J.N., Andersen, J., Ansari, R., Aubourg, E., Bareyre, P., ...
The EROS collaboration has developed a real time alert system, which was operational in 1999 and 2000. A very long binary-lensing caustic crossing event, EROS-BLG-2000-5, was found in the 2000 season...
Ghosh, S, Shinde, S, Kumaran, G, Sapre, R, Dhond, S, Badrinath, Y, ...
Bulge Microlensing Optical Depth from EROS 2 observations (2003)
Afonso, C., Alard, C., Andersen, J., Ansari, R., Aubourg, E., ...
We present a measurement of the microlensing optical depth toward the Galactic bulge based on the analysis of 15 contiguous1 square degrees fields centered on (l=2.5 deg, b=-4.0 deg) and containing...
Ansari, R., Bargot, S., Bourrachot, A., Couchot, F., Haïssinski, J., Henrot-Versillé, S., ...
In this article we present and study a scaling law of the $m\Gamma_m$ CMB Fourier spectrum on rings which allows us (i) to combine spectra corresponding to different colatitude angles (e.g. several...
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We present the first determination of the Galactic polarized emission at 353 GHz by Archeops. The data were taken during the Arctic night of February 7, 2002 after the balloon--borne instrument was...
Cosmological constraints from Archeops (2003)
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We analyze the cosmological constraints that Archeops places on adiabatic cold dark matter models with passive power-law initial fluctuations. Because its angular power spectrum has small bins in l...
The Cosmic Microwave Background Anisotropy Power Spectrum measured by Archeops (2003)
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We present a determination by the Archeops experiment of the angular power spectrum of the cosmic microwave background anisotropy in 16 bins over the multipole range l=15-350. Archeops was conceived...
Ansari, R., Bargot, S., Bourrachot, A., Couchot, F., Haïssinski, J., Henrot-Versillé, S., ...
In this article we present and study a scaling law of the $m\\Gamma_m$ CMB Fourier spectrum on rings which allows us (i) to combine spectra corresponding to different colatitude angles (e.g. several...
Bulge Microlensing Optical Depth from EROS 2 observations (2003)
Afonso, C., Alard, C., Andersen, J., Ansari, R., Aubourg, E., ...
We present a measurement of the microlensing optical depth toward the Galactic bulge based on the analysis of 15 contiguous1 square degrees fields centered on (l=2.5 deg, b=-4.0 deg) and containing...
Ansari, R., Bargot, S., Bourrachot, A., Couchot, F., Haissinski, J., Henrot-Versille, S., ...
In this article we present and study a scaling law of the $m\Gamma_m$ CMB Fourier spectrum on rings which allows us (i) to combine spectra corresponding to different colatitude angles (e.g. several...
Study of a strategy for parallax microlensing detection towards the magellanic clouds (2003)
Rahvar, S., Moniez, M., Ansari, R., Perdereau, O.
In this article, we have investigated the possibility to distinguish between different galactic models through the microlensing parallax studies. We show that a systematic search for parallax effects...
Limits on Galactic Dark Matter with 5 Years of EROS SMC Data (2003)
Afonso, C., Albert, J.N., Andersen, J., Ansari, R., Aubourg, Eric., Bareyre, P., ...
Five years of EROS data towards the Small Magellanic Cloud have been searched for gravitational microlensing events, using a new, more accurate method to assess the impact of stellar blending on the...
Bulge Microlensing Optical Depth from EROS 2 observations (2003)
Afonso, C., Albert, J N., Alard, C., Andersen, J., Ansari, R., Aubourg, E., ...
We present a measurement of the microlensing optical depth toward the Galactic bulge based on the analysis of 15 contiguous1 square degrees fields centered on (l=2.5 deg, b=-4.0 deg) and containing...
Discovery and photometry of the binary-lensing caustic-crossing event eros-blg-2000-5 (2003)
Jung, J.M, Albert, J.N., Andersen, J., Ansari, R., Aubourg, E., Bareyre, P., ...
The EROS collaboration has developed a real time alert system, which was operational in 1999 and 2000. A very long binary-lensing caustic crossing event, EROS-BLG-2000-5, was found in the 2000 season...
Cosmological constraints from Archeops (2003)
Benoit, A., Rosset, C., Patanchon, G., Bargot, S., Ade, P., Amblard, A., ...
We analyze the cosmological constraints that Archeops places on adiabatic cold dark matter models with passive power-law initial fluctuations. Because its angular power spectrum has small bins in l...
The cosmic microwave background anisotropy power spectrum measured by Archeops (2003)
Benoit, A., Ade, P., Amblard, A., Ansari, R, Aubourg, E., Bargot, S., ...
We present a determination by the Archeops experiment of the angular power spectrum of the cosmic microwave background anisotropy in 16 bins over the multipole range l=15-350. Archeops was conceived...
Ansari, R., Bargot, S., Bourrachot, A., Couchot, F., Haissinski, J., Henrot-Versille, S., ...
In this article we present and study a scaling law of the $m\Gamma_m$ CMB Fourier spectrum on rings which allows us (i) to combine spectra corresponding to different colatitude angles (e.g. several...
Study of a strategy for parallax microlensing detection towards the magellanic clouds (2003)
Rahvar, S., Moniez, M., Ansari, R., Perdereau, O.
In this article, we have investigated the possibility to distinguish between different galactic models through the microlensing parallax studies. We show that a systematic search for parallax effects...
Limits on Galactic Dark Matter with 5 Years of EROS SMC Data (2003)
Afonso, C., Albert, J.N., Andersen, J., Ansari, R., Aubourg, Eric., Bareyre, P., ...
Five years of EROS data towards the Small Magellanic Cloud have been searched for gravitational microlensing events, using a new, more accurate method to assess the impact of stellar blending on the...
Bulge Microlensing Optical Depth from EROS 2 observations (2003)
Afonso, C., Albert, J N., Alard, C., Andersen, J., Ansari, R., Aubourg, E., ...
We present a measurement of the microlensing optical depth toward the Galactic bulge based on the analysis of 15 contiguous1 square degrees fields centered on (l=2.5 deg, b=-4.0 deg) and containing...
Discovery and photometry of the binary-lensing caustic-crossing event eros-blg-2000-5 (2003)
Jung, J.M, Albert, J.N., Andersen, J., Ansari, R., Aubourg, E., Bareyre, P., ...
The EROS collaboration has developed a real time alert system, which was operational in 1999 and 2000. A very long binary-lensing caustic crossing event, EROS-BLG-2000-5, was found in the 2000 season...
Cosmological constraints from Archeops (2003)
Benoit, A., Rosset, C., Patanchon, G., Bargot, S., Ade, P., Amblard, A., ...
We analyze the cosmological constraints that Archeops places on adiabatic cold dark matter models with passive power-law initial fluctuations. Because its angular power spectrum has small bins in l...
The cosmic microwave background anisotropy power spectrum measured by Archeops (2003)
Benoit, A., Ade, P., Amblard, A., Ansari, R, Aubourg, E., Bargot, S., ...
We present a determination by the Archeops experiment of the angular power spectrum of the cosmic microwave background anisotropy in 16 bins over the multipole range l=15-350. Archeops was conceived...
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We present the first determination of the Galactic polarized emission at 353 GHz by Archeops. The data were taken during the Arctic night of February 7, 2002 after the balloon--borne instrument was...
Cosmological constraints from Archeops (2003)
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We analyze the cosmological constraints that Archeops places on adiabatic cold dark matter models with passive power-law initial fluctuations. Because its angular power spectrum has small bins in l...
The Cosmic Microwave Background Anisotropy Power Spectrum measured by Archeops (2003)
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We present a determination by the Archeops experiment of the angular power spectrum of the cosmic microwave background anisotropy in 16 bins over the multipole range l=15-350. Archeops was conceived...
Ansari, R., Bargot, S., Bourrachot, A., Couchot, F., Haïssinski, J., Henrot-Versillé, S., ...
In this article we present and study a scaling law of the $m\\Gamma_m$ CMB Fourier spectrum on rings which allows us (i) to combine spectra corresponding to different colatitude angles (e.g. several...
Bulge Microlensing Optical Depth from EROS 2 observations (2003)
Afonso, C., Alard, C., Andersen, J., Ansari, R., Aubourg, E., ...
We present a measurement of the microlensing optical depth toward the Galactic bulge based on the analysis of 15 contiguous1 square degrees fields centered on (l=2.5 deg, b=-4.0 deg) and containing...
Study of a Strategy for Parallax Microlensing Detection Towards the Magellanic Clouds (2002)
Rahvar, S., Moniez, M., Ansari, R., Perdereau, O.
In this article, we have investigated the possibility to distinguish between different galactic models through the microlensing parallax studies. We show that a systematic search for parallax effects...
The Cosmic Microwave Background Anisotropy Power Spectrum measured by Archeops (2002)
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We present a determination by the Archeops experiment of the angular power spectrum of the cosmic microwave background anisotropy in 16 bins over the multipole range l=15-350. Archeops was conceived...
Cosmological constraints from Archeops (2002)
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bargot, S., ...
We analyze the cosmological constraints that Archeops places on adiabatic cold dark matter models with passive power-law initial fluctuations. Because its angular power spectrum has small bins in l...
COMPARISON OF PHYSICAL ACTIVITY LEVEL AMONG ADOLESCENTS OF ISFAHAN IN 1994 AND 2001 (2002)
R KELISHADI; Isfahan Cardiovascular Research Center, Isfahan University Of Medical Sciences And Health Services, Isfahan, Iran, M HASHEMPOOR, R ANSARI, H ROUHAFZA, N SARRAFZADEGAN, N BASHARDOUST
Introduction. It has been shown that regular physical activity (at least three days per week and at least 20 minutes per session) has many benefits especially on morphologic and hemodynamic changes...
EROS 2 proper motion survey: Constraints on the halo white dwarfs (2002)
Goldman, B., Afonso, C., Alard, Ch., Amadon, A., Andersen, J., ...
We are conducting a 377-square-degree proper motion survey in the ~V and I bands in order to determine the cool white dwarf contribution to the Galactic dark matter. Using the 250 square degrees for...
Observation of periodic variable stars towards the galactic spiral arms by EROS II (2002)
Derue, F., Marquette, J. B., Lupone, S., Afonso, C., Alard, C., Albert, J-N., ...
We present the results of a massive variability search based on a photometric survey of a six square degree region along the Galactic plane at ($l = 305^\circ$, $b = -0.8^\circ$) and ($l =...
Archeops: CMB Anisotropies Measurement from Large to Small Angular Scale (2002)
Amblard, A., Benoit, A., Ade, P., Ansari, R., Aubourg, E., Bartlett, J., ...
De Wit, W. J., Coutures, C., Leisy, P., ...
EROS 2 proper motion survey: Constraints on the halo white dwarfs (2002)
Goldman, B., Afonso, C., Alard, Ch., Amadon, A., Andersen, J., ...
We are conducting a 377-square-degree proper motion survey in the ~V and I bands in order to determine the cool white dwarf contribution to the Galactic dark matter. Using the 250 square degrees for...
The status of the Archeops experiment (2002)
Amblard, A., Benoit, A., Ade, P., Ansari, R., Aubourg, E., Bartlett, J., ...
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bartlett, J., ...
Archeops is a balloon-borne instrument dedicated to measuring cosmic microwave background (CMB) temperature anisotropies at high angular resolution (8 arcminutes) over a large fraction (25%) of the...
The status of the Archeops experiment (2002)
Amblard, A., Benoit, A., Ade, P., Ansari, R., Aubourg, E., Bartlett, J., ...
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bartlett, J., ...
Archeops is a balloon-borne instrument dedicated to measuring cosmic microwave background (CMB) temperature anisotropies at high angular resolution (8 arcminutes) over a large fraction (25%) of the...
Sustainable Agriculture: A System of Farming (2002)
S. M. Alam, R. Ansari, S. M. Mujtaba, M. A. Khan, Saboohi Raza
Nutrient depletion in the farm land areas has brought terrible devastation in some cropping areas of a country. There is no vegetation whatever, despite adequate rainfall and chemical fertilizers are...
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bartlett, J., ...
Archeops is a balloon-borne instrument dedicated to measuring cosmic microwave background (CMB) temperature anisotropies at high angular resolution (8 arcminutes) over a large fraction (25%) of the...
EROS 2 proper motion survey: Constraints on the halo white dwarfs (2002)
Goldman, B., Afonso, C., Alard, Ch., Amadon, A., Andersen, J., ...
We are conducting a 377-square-degree proper motion survey in the ~V and I bands in order to determine the cool white dwarf contribution to the Galactic dark matter. Using the 250 square degrees for...
Sustainable Agriculture: A System of Farming (2002)
S. M. Alam, R. Ansari, S. M. Mujtaba, M. A. Khan, Saboohi Raza
Nutrient depletion in the farm land areas has brought terrible devastation in some cropping areas of a country. There is no vegetation whatever, despite adequate rainfall and chemical fertilizers are...
Hanna, N. H., Sandler, A. B., Loehrer Sr, P. J., Ansari, R., Jung, S. H., Lane, K., ...
Background We performed this phase III study to determine whether the addition of 3 months of oral etoposide in non-progressing patients with extensive small-cell lung cancer (SCLC) treated with four...
Soule, S. E., Miller, K. D., Porcu, P., Ansari, R., Fata, F., McClean, J. W., ...
Background: Docetaxel and estramustine exert anti-tumor effects by inhibiting microtubule function. In vitro data suggest synergism with this combination. This phase II study evaluated the response...
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bartlett, J.
Archeops is a balloon-borne instrument dedicated to measuring cosmic microwave background (CMB) temperature anisotropies at high angular resolution (8 arcminutes) over a large fraction (25%) of the...
Type Ia supernova rate at $z \sim 0.1$ (2001)
Hardin, D P., Afonso, C., Alard, C., Albert, J N., Amadon, A., Andersen, J., ...
We present the EROS nearby supernova ($z \sim 0.02 - 0.2$) search and the analysis of the first year of data (1997). A total of 80 square degrees were surveyed. Eight supernov{\ae} were detected,...
EROS 2 proper motion survey for halo white dwarfs (2001)
Goldman, B., Afonso, C., Alard, C., Albert, J-N., Andersen, J., Ansari, R., ...
Since 1996 EROS 2 has surveyed 440 square degrees at high Galactic latitude in order to search for high proper motion stars in the Solar neighbourhood. We present here the analysis of 250 square...
Photometric Constraints on Microlens Spectroscopy of EROS-BLG-2000-5 (2001)
Afonso, C., Albert, J.N., Andersen, J., Ansari, R., Aubourg, E., Bareyre, P., ...
We apply EROS photometric data to interpret previously published Keck and VLT spectra of the binary-microlens caustic-crossing event EROS-BLG-2000-5. We show that the VLT data imply that the outer 4...
Benoit, A., Ade, P., Amblard, A., Ansari, R., Aubourg, E., Bartlett, J.
Archeops is a balloon-borne instrument dedicated to measuring cosmic microwave background (CMB) temperature anisotropies at high angular resolution (8 arcminutes) over a large fraction (25%) of the...
Archeops: CMB Anisotropies Measurement from Large to Small Angular Scale (2001)
Amblard, A., Benoit, A., Ade, P., Ansari, R., Aubourg, E., Bartlett, J., ...
Photometric constraints on microlens spectroscopy of EROS-BLG-2000-5 (2001)
Afonso, C., Albert, J-N., Andersen, J., Ansari, R., Aubourg, E., Bareyre, P., ...
De Wit, W. J., Coutures, C., Leisy, P., ...
Observation of Microlensing towards the Galactic Spiral Arms. EROS II 3 year survey (2001)
Derue, F., Afonso, C., Alard, C., Albert, J-N., Andersen, J., Ansari, R., ...
Archeops: CMB Anisotropies Measurement from Large to Small Angular Scale (2001)
Amblard, A., Benoit, A., Ade, P., Ansari, R., Aubourg, E., Bartlett, J., ...
Photometric constraints on microlens spectroscopy of EROS-BLG-2000-5 (2001)
Afonso, C., Albert, J-N., Andersen, J., Ansari, R., Aubourg, E., Bareyre, P., ...
De Wit, W. J., Coutures, C., Leisy, P., ...
Observation of Microlensing towards the Galactic Spiral Arms. EROS II 3 year survey (2001)
Derue, F., Afonso, C., Alard, C., Albert, J-N., Andersen, J., Ansari, R., ...
Seasonal Nutrient Variations in Two Acacia Species Growing under Saline Environment (2001)
B. Khanzada, S.M. Alam, R. Ansari, S.M. Mujtaba, ...
Nutrients variation studies were conducted to understand the nutrient cycle (particularly nitrogen, phosphorus and cations) in four year old Acacia plantation ( Acacia nilotica and Acacia ampliceps)...
Photometric Constraints on Microlens Spectroscopy of EROS-BLG-2000-5 (2001)
Afonso, C., Albert, J.N., Andersen, J., Ansari, R., Aubourg, E., Bareyre, P., ...
We apply EROS photometric data to interpret previously published Keck and VLT spectra of the binary-microlens caustic-crossing event EROS-BLG-2000-5. We show that the VLT data imply that the outer 4...
S.M. Alam, M. A. Khan, M. Ali, R. Ansari
Water culture experiment was conducted to observe the effects of different levels of Zn and P alone and in combination on the growth ,chlorophyll and peroxidase contents of rice (cv. Shadab).The...
Allelopathy and its Role in Agriculture (2001)
S.M. Alam, S.A. Ala, A.R. Azmi, M.A. Khan, R. Ansari
Not available
Influence of Iron and Manganese on the Growth and Contents of Fe, Mn and P in Rice (2001)
Rice plants growing on a calcareous soil, supplied with various levels of labeled Fe59 and Mn54 subjected to two moisture regimes and under flooded(anaerobic) condition, the number of tillers, plant...
Effect of seed of sweet clover (Melilotus indica L.) weed and NaCl on seedling growth of rice (2001)
S.M. Alam, R. Ansari, M.A. Khan
Seeds of sweet clover in combination with 0.4 % NaCl significantly decreased the germination and had severe inhibitory effects on shoot and root lengths of rice. Root length was affected more than...
Seasonal Nutrient Variations in Two Acacia Species Growing under Saline Environment (2001)
Shirazi M.U., B. Khanzada, S.M. Alam, R. Ansari, S.M. Mujtaba, Muhammad Ali, ...
Nutrients variation studies were conducted to understand the nutrient cycle (particularly nitrogen, phosphorus and cations) in four year old Acacia plantation ( Acacia nilotica and Acacia ampliceps)...
Microlensing towards the Small Magellanic Cloud - EROS 2 two years analysis (2000)
Afonso, C., Alard, C., Albert, J-N., Andersen, J., Ansari, R., Aubourg, E., ...
Observation of Microlensing towards the Galactic Spiral Arms. EROS II 2 year survey (2000)
Derue, F., Afonso, C., Alard, C., Albert, J-N., Andersen, J., Ansari, R., ...
Combined analysis of the binary lens caustic crossing event MACHO-98-SMC-1 (2000)
Afonso, C., Alard, C., Albert, J-N., Andersen, J., Ansari, R., Aubourg, E., ...
Type Ia supernova rate at $z \sim 0.1$ (2000)
Hardin, D., Afonso, C., Alard, C., Albert, J. N., Amadon, A., Andersen, J., ...
We present the EROS nearby supernova ($z \sim 0.02 - 0.2$) search and the analysis of the first year of data (1997). A total of 80 square degrees were surveyed. Eight supernov{\ae} were detected,...
Spectroscopic studies of the two Eros candidate microlensed stars (2000)
Beaulieu, J.P., Ansari, R., Cavalier, F., Moniez, M., Et, Al.
Yasu, Y., Yasu, Y., Yasu, Y., Yasu, Y., Yasu, Y., Ferlet, R., ...
We present CCD phase-binned light curves at 490\,nm for 97 Cepheid variable stars in the bar of the LMC. The photometry was obtained as part of the French EROS project and has excellent phase...
Destriping of polarized data in a CMB mission with a circular scanning strategy (2000)
Revenu, B., Kim, A., Ansari, R., Couchot, F., Delabrouille, J., Kaplan, J.
Type Ia supernova rate at $z \sim 0.1$ (2000)
Hardin, D P., Afonso, C., Alard, C., Albert, J N., Amadon, A., Andersen, J., ...
We present the EROS nearby supernova ($z \sim 0.02 - 0.2$) search and the analysis of the first year of data (1997). A total of 80 square degrees were surveyed. Eight supernov{\ae} were detected,...
EROS2 microlensing search towards the Magellanic clouds (2000)
Milsztajn, A., Afonso, C., Albert, J-N., Andersen, J., Ansari, R., Aubourg, E., ...
EROS 2 proper motion survey for halo white dwarfs (2000)
Goldman, B., Afonso, C., Alard, C., Albert, J-N., Andersen, J., Ansari, R., ...
Since 1996 EROS 2 has surveyed 440 square degrees at high Galactic latitude in order to search for high proper motion stars in the Solar neighbourhood. We present here the analysis of 250 square...
Not enough stellar mass machos in the galactic halo (2000)
Lasserre, T., Afonso, C., Albert, J-N., Andersen, J., Ansari, R., Aubourg, E., ...
Destriping of polarized data in a CMB mission with a circular scanning strategy (2000)
Revenu, B., Kim, A., Ansari, R., Couchot, F., Delabrouille, J., Kaplan, J.
Combined analysis of the binary lens caustic crossing event MACHO-98-SMC-1 (2000)
Afonso, C., Alard, C., Albert, J-N., Andersen, J., Ansari, R., Aubourg, E., ...
Destriping of polarized data in a CMB mission with a circular scanning strategy (2000)
Revenu, B., Kim, A., Ansari, R., Couchot, F., Delabrouille, J., Kaplan, J.
Type Ia supernova rate at $z \sim 0.1$ (2000)
Hardin, D P., Afonso, C., Alard, C., Albert, J N., Amadon, A., Andersen, J., ...
We present the EROS nearby supernova ($z \sim 0.02 - 0.2$) search and the analysis of the first year of data (1997). A total of 80 square degrees were surveyed. Eight supernov{\ae} were detected,...
EROS2 microlensing search towards the Magellanic clouds (2000)
Milsztajn, A., Afonso, C., Albert, J-N., Andersen, J., Ansari, R., Aubourg, E., ...
EROS 2 proper motion survey for halo white dwarfs (2000)
Goldman, B., Afonso, C., Alard, C., Albert, J-N., Andersen, J., Ansari, R., ...
Since 1996 EROS 2 has surveyed 440 square degrees at high Galactic latitude in order to search for high proper motion stars in the Solar neighbourhood. We present here the analysis of 250 square...
Not enough stellar mass machos in the galactic halo (2000)
Lasserre, T., Afonso, C., Albert, J-N., Andersen, J., Ansari, R., Aubourg, E., ...
Destriping of polarized data in a CMB mission with a circular scanning strategy (2000)
Revenu, B., Kim, A., Ansari, R., Couchot, F., Delabrouille, J., Kaplan, J.
Combined analysis of the binary lens caustic crossing event MACHO-98-SMC-1 (2000)
Afonso, C., Alard, C., Albert, J-N., Andersen, J., Ansari, R., Aubourg, E., ...
Evaluation of Cyclosporine in treatment of refractory Ulcerative Colitis (2000)
H.Fakheri, R.Malekzadeh, R.Ansari, M. Vahedi
SummaryBackground and purpose: Treatment of refractory ulcerative colitis (UC) is a problem in the intestinal tract diseases. Different researches have shown that intravenous administration of...
Combined Analysis of the Binary Lens Caustic-Crossing Event MACHO 98-SMC-1 (2000)
Afonso, C, Alard, C, Albert, JN, Andersen, J, Ansari, R, Aubourg, E, ...
Probing Galactic structure using micro-lensing with EROS-2 (1999)
EROS has been monitoring few million stars in the Magellanic clouds, as well as toward the Galactic bulge and spiral arms since 1996, to search for microlensing events. In this paper, we present...
EROS 2 proper motion survey: a field brown dwarf and an L dwarf companion to LHS 102 (1999)
Goldman, B, Delfosse, X, Forveille, T, Afonso, C, Alard, C, Albert, J N, ...
We report the discovery of two L dwarfs (the new spectral class defined for dwarfs cooler than the M type) in a two-epoch CCD proper motion survey of 413 square degrees, complemented by infrared...
Destriping of Polarized Data in a CMB Mission with a Circular Scanning Strategy (1999)
Revenu, B., Kim, A., Ansari, R., Couchot, F., Delabrouille, J., Kaplan, J.
A major problem in Cosmic Microwave Background (CMB) anisotropy mapping, especially in a total-power mode, is the presence of low-frequency noise in the data streams. If unproperly processed, such...
EROS 2 intensive observation of the caustic crossing of microlensing event MACHO SMC-98-1 (1999)
Bauer, F., Afonso, C., Albert, J N., Andersen, J., Ansari, R., Aubourg, E., ...
EROS and MACHO Combined Limits on Planetary Mass Dark Matter in the Galactic Halo (1999)
Alcock, C., Allsman, R.A., Alves, D., Ansari, R., Aubourg, E., Axelrod, T.S., ...
Observation of Microlensing towards the Galactic Spiral Arms: EROS II 2 year survey (1999)
Derue, F, Afonso, C, Alard, C, Albert, J N, Andersen, J, Ansari, R, ...
We present the analysis of the light curves of 8.5 million stars observed during two seasons by EROS (Experience de Recherche d'Objets Sombres), in the galactic plane away from the bulge. Three stars...
EROS 2 proper motion survey: a field brown dwarf and an L dwarf companion to LHS 102 (1999)
Goldman, B., Delfosse, X., Forveille, T., Afonso, C., Alard, C., Albert, J.N., ...
We report the discovery of two L dwarfs (the new spectral class defined for dwarfs cooler than the M type) in a two-epoch CCD proper motion survey of 413 square degrees, complemented by infrared...
A slope variation in the Period-Luminosity relation for short period SMC Cepheids (1999)
Bauer, F., Afonso, C., Albert, J N., Andersen, J., Ansari, R., Aubourg, E., ...
Microlensing towards the Small Magellanic Cloud - EROS 2 two years analysis (1999)
Afonso, C., Alard, C., Albert, J-N., Andersen, J., Ansari, R., Aubourg, E., ...