C. Coutures

Publication List Details

Period

1988 - 2009

Number

282

Co-Authors

Masses and Orbital Constraints for the OGLE-2006-BLG-109Lb,c Jupiter/Saturn Analog Planetary System (2009)

Bennett, D. P., Rhie, S. H., Nikolaev, S., Gaudi, B. S., Udalski, A., Gould, A., ...

We present a new analysis of the Jupiter+Saturn analog system, OGLE-2006-BLG-109Lb,c, which was the first double planet system discovered with the gravitational microlensing method. This is the only...

Difference imaging photometry of blended gravitational microlensing events with a numerical kernel (2009)

Albrow, M. D., Horne, K., Bramich, D. M., Fouqué, P., Miller, V. R., ...

The numerical kernel approach to difference imaging has been implemented and applied to gravitational microlensing events observed by the PLANET collaboration. The effect of an error in the...

New Magellanic Cloud R Coronae Borealis and DY Per type stars from the EROS-2 database: the connection between RCBs, DYPers and ordinary carbon stars (2009)

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...

Difference imaging photometry of blended gravitational microlensing events with a numerical kernel (2009)

Albrow, M. D., Horne, K., Bramich, D. M., Fouqué, P., Miller, V. R., ...

The numerical kernel approach to difference imaging has been implemented and applied to gravitational microlensing events observed by the PLANET collaboration. The effect of an error in the...

The EROS2 search for microlensing events towards the spiral arms: the complete seven season results (2009)

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...

The EROS2 search for microlensing events towards the spiral arms: the complete seven season results (2009)

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 EROS2 search for microlensing events towards the spiral arms: the complete seven season results (2009)

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 EROS2 search for microlensing events towards the spiral arms: the complete seven season results (2009)

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...

OGLE-2005-BLG-071Lb, the Most Massive M Dwarf Planetary Companion? (2009)

Christie, G.W., Gaudi, B.S., Kubiak, M., Szymanski, M.K., Pietrzynski, G., Soszynski, I., ...

We combine all available information to constrain the nature of OGLE-2005-BLG-071Lb, the second planet discovered by microlensing and the first in a high-magnification event. These include...

OGLE-2005-BLG-071Lb, The Most Massive M Dwarf Planetary Companion? (2009)

Dong, S, Gould, A, Udalski, A, Anderson, J, Christie, GW, Gaudi, BS, ...

We combine all available information to constrain the nature of OGLE-2005-BLG-071Lb, the second planet discovered by microlensing and the first in a high-magnification event. These include...

A systematic fitting scheme for caustic-crossing microlensing events (2009)

Kains, N, Cassan, A, Horne, K, Albrow, MD, Dieters, S, Fouque, P, ...

We outline a method for fitting binary-lens caustic-crossing microlensing events based on the alternative model parametrization proposed and detailed by Cassan. As an illustration of our methodology,...

Difference imaging photometry of blended gravitational microlensing events with a numerical kernel (2009)

Albrow, MD, Horne, K, Bramich, DM, Fouque, P, Miller, VR, Beaulieu, JP, ...

The numerical kernel approach to difference imaging has been implemented and applied to gravitational microlensing events observed by the PLANET collaboration. The effect of an error in the...

Extreme Magnification Microlensing Event OGLE-2008-BLG-279: Strong Limits on Planetary Companions to the Lens Stars (2009)

Yee, JC, Udalski, A, Sumi, T, Dong, S, Kozlowski, S, Bird, JC, ...

We analyze the extreme high-magnification microlensing event OGLE-2008-BLG-279, which peaked at a maximum magnification of A ~ 1600 on 2008 May 30. The peak of this event exhibits both finite-source...

Difference imaging photometry of blended gravitational microlensing events with a numerical kernel (2009)

Albrow, M. D., Horne, K., Bramich, D.M., Fouqué, P., Miller, V.R., ...

The numerical kernel approach to difference imaging has been implemented and applied to gravitational microlensing events observed by the PLANET collaboration. The effect of an error in the...

Massive B-type pulsators in low-metallicity environments (2008)

Karoff, C., Arentoft, T., Glowienka, L., Coutures, C., Nielsen, T. B., Dogan, G., ...

Massive B type pulsators such as beta Cep and slowly pulsating B (SPB) stars pulsate due to layers of increased opacity caused by partial ionization. The increased opacity blocks the energy flux to...

Towards A Census of Earth-mass Exo-planets with Gravitational Microlensing (2008)

Beaulieu, J. P., Kerins, E., Mao, S., Bennett, D., Cassan, A., Dieters, S., ...

Thirteen exo-planets have been discovered using the gravitational microlensing technique (out of which 7 have been published). These planets already demonstrate that super-Earths (with mass up to ~10...

Discovery of a peculiar Cepheid-like star towards the northern edge of the Small Magellanic Cloud (2008)

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...

Discovery of a Jupiter/Saturn Analog with Gravitational Microlensing (2008)

Gaudi, B. S., Bennett, D. P., Udalski, A., Gould, A., Christie, G. W., Maoz, D., ...

Searches for extrasolar planets have uncovered an astonishing diversity of planetary systems, yet the frequency of solar system analogs remains unknown. The gravitational microlensing planet search...

SPB stars in the open SMC cluster NGC 371 (2008)

Karoff, C., Arentoft, T., Glowienka, L., Coutures, C., Nielsen, T. B., Dogan, G., ...

Pulsation in beta Cep and SPB stars are driven by the kappa mechanism which depends critically on the metallicity. It has therefore been suggested that beta Cep and SPB stars should be rare in the...

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...

Limits on additional planetary companions to OGLE 2005-BLG-390L (2008)

Kubas, D, Cassan, A, Dominik, M, Bennett, DP, Wambsganss, J, Brillant, S, ...

Aims. We investigate constraints on additional planets orbiting the distant M-dwarf star OGLE 2005-BLG-390L, around which photometric microlensing data has revealed the existence of the...

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...

Limits on the Macho Content of the Galactic Halo from the EROS-2 Survey of the Magellanic Clouds. (2007)

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...

Limits on the Macho Content of the Galactic Halo from the EROS-2 Survey of the Magellanic Clouds. (2007)

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...

Limits on the Macho Content of the Galactic Halo from the EROS-2 Survey of the Magellanic Clouds. (2007)

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...

Metallicity Effects on the Cepheid Extragalactic Distance Scale from EROS photometry in LMC and SMC (2007)

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...

The effect of metallicity on the Cepheid distance scale and its implications for the Hubble constant ($H_0$) determination (2007)

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...

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...

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...

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...

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...

AGAPEROS: Searches for microlensing in the LMC with the Pixel Method - 1, Data treatment and pixel light curves production (2006)

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...

AGAPEROS: Searches for microlensing in the LMC with the Pixel Method - 1, Data treatment and pixel light curves production (2006)

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...

AGAPEROS: Searches for microlensing in the LMC with the Pixel Method - 1, Data treatment and pixel light curves production (2006)

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...

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...

AGAPEROS : Searches for microlensing in the LMC with the Pixel Method - 2, Selection of possible microlensing events (2006)

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...

OGLE 2004-BLG-254: a K3 III Galactic Bulge Giant spatially resolved by a single microlens (2006)

Cassan, A., Fouque, P., Brillant, S., Dominik, M., Greenhill, J., ...

We present an analysis of OGLE 2004-BLG-254, a high-magnification and relatively short duration microlensing event in which the source star, a Bulge K3-giant, has been spatially resolved by a...

AgapeZ1: a Large Amplification Microlensing Event or an Odd Variable Star Towards the Inner Bulge of M31 (2006)

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 =...

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.

Limits on the Macho Content of the Galactic Halo from the EROS-2 Survey of the Magellanic Clouds (2006)

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...

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...

A transient I band excess in the optical spectrum of the accreting millisecond pulsar SAX J1808.4-3658 (2006)

Greenhill, J. G., Giles, A. B., Coutures, C.

The optical counterpart of the transient, millisecond X-ray pulsar SAX J1808.4-3658 was observed in four colours (BVRI) for five weeks during the 2005 June-July outburst. The optical fluxes declined...

Discovery of a Cool Planet of 5.5 Earth Masses Through Gravitational Microlensing (2006)

Bennett, D. P., Fouque, P., Williams, A., Dominik, M., Jorgensen, U. G., ...

In the favoured core-accretion model of formation of planetary systems, solid planetesimals accumulate to build up planetary cores, which then accrete nebular gas if they are sufficiently massive....

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...

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...

Potential Direct Single-Star Mass Measurement (2005)

Ghosh, H., Depoy, D.L., Gal-Yam, A., Gaudi, B.S., Gould, A., Han, C., ...

We analyze the lightcurve of the microlensing event OGLE-2003-BLG-175/MOA-2003-BLG-45 and show that it has two properties that, when combined with future high resolution astrometry, could lead to a...

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...

Full characterization of binary-lens event OGLE-2002-BLG-069 from PLANET observations (2005)

Kubas, D., Cassan, A., Beaulieu, J. P., Coutures, C., Dominik, M., Albrow, M. D., ...

We analyze the photometric data obtained by PLANET and OGLE on the caustic-crossing binary-lens microlensing event OGLE-2002-BLG-069. Thanks to the excellent photometric and spectroscopic coverage of...

OGLE-2003-BLG-238: Microlensing Mass Estimate of an Isolated Star (2005)

Jiang, Guangfei, DePoy, D. L., Gal-Yam, A., Gaudi, B. S., Gould, A., Han, C., ...

Microlensing is the only known direct method to measure the masses of stars that lack visible companions. In terms of microlensing observables, the mass is given by M=(c^2/4G)\\tilde r_E \\theta_E...

Probing the atmosphere of the bulge G5III star OGLE-2002-BUL-069 by analysis of microlense H alpha line (2005)

Cassan, A., Beaulieu, J. P., Brillant, S., Coutures, C., Dominik, M., Donatowicz, J., ...

We discuss high-resolution, time-resolved spectra of the caustic exit of the binary microlensing event OGLE 2002-BUL-69 obtained with UVES on the VLT. The source star is a G5III giant in the Galactic...

Blue irregular variable stars in the Small Magellanic Cloud from EROS2 : Herbig Ae/Be or classical Be stars ? (2005)

Beaulieu, J. P., De Wit, W. J., Marquette, J. B., Coutures, C., Leisy, P., ...

Using data from the EROS2 microlensing survey, we report the discovery of two blue objects with irregular photometric behaviour of $\\Delta V \\sim 0.1$-0.4 mag on time scales of 20 to 200 days. They...

Full characterization of binary-lens event OGLE-2002-BLG-069 from PLANET observations (2005)

Kubas, D., Cassan, A., Beaulieu, J. P., Coutures, C., Dominik, M., Albrow, M. D., ...

We analyze the photometric data obtained by PLANET and OGLE on the caustic-crossing binary-lens microlensing event OGLE-2002-BLG-069. Thanks to the excellent photometric and spectroscopic coverage of...

Full characterization of binary-lens event OGLE-2002-BLG-069 from PLANET observations (2005)

Kubas, D., Cassan, A., Beaulieu, J. P., Coutures, C., Dominik, M., Albrow, M. D., ...

We analyze the photometric data obtained by PLANET and OGLE on the caustic-crossing binary-lens microlensing event OGLE-2002-BLG-069. Thanks to the excellent photometric and spectroscopic coverage of...

Full characterization of binary-lens event OGLE-2002-BLG-069 from PLANET observations (2005)

Kubas, D., Cassan, A., Beaulieu, J. P., Coutures, C., Dominik, M., Albrow, M. D., ...

We analyze the photometric data obtained by PLANET and OGLE on the caustic-crossing binary-lens microlensing event OGLE-2002-BLG-069. Thanks to the excellent photometric and spectroscopic coverage of...

Full characterization of binary-lens event OGLE-2002-BLG-069 from PLANET observations (2005)

Kubas, D., Cassan, A., Beaulieu, J. P., Coutures, C., Dominik, M., Albrow, M. D., ...

We analyze the photometric data obtained by PLANET and OGLE on the caustic- crossing binary-lens microlensing event OGLE-2002-BLG-069. Thanks to the excellent photometric and spectroscopic coverage...

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...

OGLE-2003-BLG-238: Microlensing Mass Estimate of an Isolated Star (2004)

Jiang, Guangfei, DePoy, D. L., Gal-Yam, A., Gaudi, B. S., Gould, A., Han, C., ...

Microlensing is the only known direct method to measure the masses of stars that lack visible companions. In terms of microlensing observables, the mass is given by M=(c^2/4G)\tilde r_E \theta_E and...

Probing the atmosphere of the bulge G5III star OGLE-2002-BUL-069 by analysis of microlense H alpha line (2004)

Cassan, A., Beaulieu, J. P., Brillant, S., Coutures, C., Dominik, M., Donatowicz, J., ...

We discuss high-resolution, time-resolved spectra of the caustic exit of the binary microlensing event OGLE 2002-BUL-69 obtained with UVES on the VLT. The source star is a G5III giant in the Galactic...

Potential Direct Single-Star Mass Measurement (2004)

Ghosh, H., Depoy, D.L., Gal-Yam, A., Gaudi, B.S., Gould, A., Han, C., ...

We analyze the lightcurve of the microlensing event OGLE-2003-BLG-175/MOA-2003-BLG-45 and show that it has two properties that, when combined with future high resolution astrometry, could lead to a...

OGLE-2003-BLG-238: Microlensing Mass Estimate of an Isolated Star (2004)

Jiang, Guangfei, DePoy, D. L., Gal-Yam, A., Gaudi, B. S., Gould, A., Han, C., ...

Microlensing is the only known direct method to measure the masses of stars that lack visible companions. In terms of microlensing observables, the mass is given by M=(c^2/4G)\\tilde r_E \\theta_E...

Probing the atmosphere of the bulge G5III star OGLE-2002-BUL-069 by analysis of microlense H alpha line (2004)

Cassan, A., Beaulieu, J. P., Brillant, S., Coutures, C., Dominik, M., Donatowicz, J., ...

We discuss high-resolution, time-resolved spectra of the caustic exit of the binary microlensing event OGLE 2002-BUL-69 obtained with UVES on the VLT. The source star is a G5III giant in the Galactic...

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...

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...

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...

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...

Potential Direct Single-Star Mass Measurement (2004)

Ghosh, H., Depoy, D.L., Gal-Yam, A., Gaudi, B.S., Gould, A., Han, C., ...

We analyze the lightcurve of the microlensing event OGLE-2003-BLG-175/MOA-2003-BLG-45 and show that it has two properties that, when combined with future high resolution astrometry, could lead to a...

OGLE-2003-BLG-238: Microlensing Mass Estimate of an Isolated Star (2004)

Jiang, Guangfei, DePoy, D. L., Gal-Yam, A., Gaudi, B. S., Gould, A., Han, C., ...

Microlensing is the only known direct method to measure the masses of stars that lack visible companions. In terms of microlensing observables, the mass is given by M=(c^2/4G)\\tilde r_E \\theta_E...

Probing the atmosphere of the bulge G5III star OGLE-2002-BUL-069 by analysis of microlense H alpha line (2004)

Cassan, A., Beaulieu, J. P., Brillant, S., Coutures, C., Dominik, M., Donatowicz, J., ...

We discuss high-resolution, time-resolved spectra of the caustic exit of the binary microlensing event OGLE 2002-BUL-69 obtained with UVES on the VLT. The source star is a G5III giant in the Galactic...

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...

The PLANET microlensing campaign: Implications for planets around galactic disk and bulge stars (2003)

Dominik, M., Albrow, M. D., Caldwell, J. A. R., Cassan, A., Coutures, C., ...

With round-the-clock monitoring of galactic bulge microlensing events, the PLANET experiment constrains the abundance and can yield the discovery of planets down to the mass of earth around galactic...

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...

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...

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...

PLANET II: A Microlensing and Transit Search for Extrasolar Planets (2002)

Sackett, Penny D., Albrow, M. D., Caldwell, J. A. R., Coutures, C., Dominik, M., ...

Due to their extremely small luminosity compared to the stars they orbit, planets outside our own Solar System are extraordinarily difficult to detect directly in optical light. Careful photometric...

Blue irregular variable stars in the Small Magellanic Cloud from EROS2 : Herbig Ae/Be or classical Be stars ? (2001)

Beaulieu, J. P., De Wit, W. J., Marquette, J. B., Coutures, C., Leisy, P., ...

Using data from the EROS2 microlensing survey, we report the discovery of two blue objects with irregular photometric behaviour of $\Delta V \sim 0.1$-0.4 mag on time scales of 20 to 200 days. They...

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...

Blue irregular variable stars in the Small Magellanic Cloud from EROS2 : Herbig Ae/Be or classical Be stars ? (2001)

Beaulieu, J. P., De Wit, W. J., Marquette, J. B., Coutures, C., Leisy, P., ...

Using data from the EROS2 microlensing survey, we report the discovery of two blue objects with irregular photometric behaviour of $\\Delta V \\sim 0.1$-0.4 mag on time scales of 20 to 200 days. They...

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...

Blue irregular variable stars in the Small Magellanic Cloud from EROS2 : Herbig Ae/Be or classical Be stars ? (2001)

Beaulieu, J. P., De Wit, W. J., Marquette, J. B., Coutures, C., Leisy, P., ...

Using data from the EROS2 microlensing survey, we report the discovery of two blue objects with irregular photometric behaviour of $\\Delta V \\sim 0.1$-0.4 mag on time scales of 20 to 200 days. They...

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,...

A measurement of the proton structure function $f_2(x. q^2)$ (2000)

Ahmed, T., Aid, S., Akhundov, A A., Andreev, V., Andrieu, B., Appuhn, R D., ...

A measurement of the proton structure function F_{\!2}(x,Q^2) is reported for momentum transfer squared Q^2 between 4.5 GeV^2 and 1600 GeV^2 and for Bjorken x between 1.8\cdot10^{-4} and 0.13 using...

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,...

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...

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,...

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...

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...

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...

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...

AGAPE: Andromeda Gravitational Amplification Pixel Experiment (1997)

Ansari, R, Aurière, M, Baillon, Paul, Bouquet, A, Coupinot, G, Coutures, C, ...

The aim of the AGAPE (Andromeda Gravitational Amplification Pixel Experiment), experiment which has been first proposed in June 1992 is to examine the distribution of massive astrophysical compact...

EROS Variable Stars : Discovery of Beat Cepheids in the Small Magellanic Cloud and the effect of metallicity on pulsation (1997)

Beaulieu, J. P., Krockenberger, M., Sasselov, D. D., Renault, C., Ferlet, R., Vidal-Madjar, A., ...

We report the discovery of eleven beat Cepheids in the Small Magellanic Cloud, using data obtained by the EROS microlensing survey. Four stars are beating in the fundamental and first overtone mode...

A measurement of the holographic minimum-observable beam branching ratio in the Fermilab 15-foot bubble chamber (1997)

Aderholz, Michael, Aggarwal, M M, Akbari, H, Allport, P P, Badyal, S K, Ballagh, H C, ...

Holography has been used successfully in combination with conventional optics for the first time in a large cryogenic bubble chamber, the 15-Foot Bubble Chamber at Fermilab, during a physics run. The...

The effect of metallicity on the Cepheid distance scale and its implications for the Hubble constant ($H_0$) determination (1996)

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,...

Metallicity Effects on the Cepheid Extragalactic Distance Scale from EROS photometry in LMC and SMC (1996)

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...

Observational Limits on Machos in the Galactic Halo (1996)

Renault, EROS Collaboration: 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...

AGAPE: a microlensing search in the direction of M31 (1996)

Ansari, R, Aurière, M, Baillon, Paul, Bouquet, A, Coupinot, G, Coutures, C, ...

A status report of the microlensing search by the pixel method in the direction of M31, on the 2 meter telescope at Pic du Midi is given. Pixels are stable to a level better than 0.5%. Pixel...

AGAPE, a microlensing search in the direction of M31: status Report (1996)

Ansari, R., Auriere, M., Baillon, P., Bouquet, A., Coupinot, G., Coutures, C., ...

A status report of the microlensing search by the pixel method in the direction of M31, on the 2 meter telescope at Pic du Midi is given. Pixels are stable to a level better than 0.5%. Pixel...

Observational Limits on Machos in the Galactic Halo (1996)

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...

AGAPE, an experiment to detect MACHO's in the direction of the Andromeda galaxy (1995)

Ansari, R., Auriére, 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.

A measurement of the proton structure function $f_2(x. q^2)$ (1995)

Ahmed, T., Aid, S., Akhundov, A A., Andreev, V., Andrieu, B., Appuhn, R D., ...

A measurement of the proton structure function F_{\!2}(x,Q^2) is reported for momentum transfer squared Q^2 between 4.5 GeV^2 and 1600 GeV^2 and for Bjorken x between 1.8\cdot10^{-4} and 0.13 using...

A measurement of the proton structure function $f_2(x. q^2)$ (1995)

Ahmed, T., Aid, S., Akhundov, A A., Andreev, V., Andrieu, B., Appuhn, R D., ...

A measurement of the proton structure function F_{\!2}(x,Q^2) is reported for momentum transfer squared Q^2 between 4.5 GeV^2 and 1600 GeV^2 and for Bjorken x between 1.8\cdot10^{-4} and 0.13 using...