Linz, H., Henning, Th., Feldt, M., Pascucci, I., Van Boekel, R., Men'shchikov, A., ...
[abridged] Our knowledge of the inner structure of embedded massive young stellar objects is still quite limited. We attempt here to overcome the spatial resolution limitations of conventional...
Ollivier, M, Absil, Olivier, Allard, F, Berger, J-P, Bordé, P, Cassaing, F, ...
PEGASE is a mission dedicated to the exploration of the environment (including habitable zone) of young and solar-type stars (particularly those in the DARWIN catalogue) and the observation of low...
MATISSE, perspective of imaging in the mid-infrared at the VLTI (2009)
Lopez, B., Antonelli, P., Wolf, S., Lagarde, S., Jaffe, W., Navarro, R., ...
MATISSE is foreseen as a mid-infrared spectro-interferometer combining the beams of up to four UTs/ATs of the Very Large Telescope Interferometer (VLTI) of the European Southern Observatory. The...
MATISSE, perspective of imaging in the mid-infrared at the VLTI (2009)
Lopez, B., Antonelli, P., Wolf, S., Lagarde, S., Jaffe, W., Navarro, R., ...
MATISSE is foreseen as a mid-infrared spectro-interferometer combining the beams of up to four UTs/ATs of the Very Large Telescope Interferometer (VLTI) of the European Southern Observatory. The...
Milli-arcsecond Astrophysics with VSI, the VLTI Spectro-imager in the ELT Era (2009)
Malbet, F, Buscher, D, Weigelt, G, Garcia, P, Gai, M, Lorenzetti, D, ...
Nowadays, compact sources relatively warm like surfaces of nearby stars, circumstellar environments of stars from early stages to the most evolved ones and surroundings of active galactic nuclei can...
Milli-arcsecond Astrophysics with VSI, the VLTI Spectro-imager in the ELT Era (2009)
Malbet, F., Buscher, D., Weigelt, G., Garcia, P., Gai, M., Lorenzetti, D., ...
Nowadays, compact sources relatively warm like surfaces of nearby stars, circumstellar environments of stars from early stages to the most evolved ones and surroundings of active galactic nuclei can...
Kraus, S., Benisty, M., Chesneau, O., Isella, A., ...
Context. Accretion and outflow processes are of fundamental importance for our understanding of the formation of stars and planetary systems. To trace these processes, diagnostic spectral lines such...
VSI: the VLTI spectro-imager (2008)
Malbet, F., Buscher, D., Weigelt, G., Garcia, P., Gai, M., Lorenzetti, D., ...
The VLTI Spectro Imager (VSI) was proposed as a second-generation instrument of the Very Large Telescope Interferometer providing the ESO community with spectrally-resolved, near-infrared images at...
Kraus, S., Benisty, M., Chesneau, O., Isella, A., ...
To trace the accretion and outflow processes around YSOs, diagnostic spectral lines such as the BrG 2.166 micron line are widely used, although due to a lack of spatial resolution, the origin of the...
VSI: the VLTI spectro-imager (2008)
Malbet, F, Buscher, D, Weigelt, G, Garcia, P, Gai, M, Lorenzetti, D, ...
Optical and Infrared Interferometry.
MWC 297: a young high-mass star rotating at critical velocity (2008)
Acke, B., Verhoelst, T., Deroo, P., Waelkens, C., Chesneau, O., ...
MWC 297 is a young massive nearby B[e] star. The central star has a large projected rotational velocity of 350 km/s. Despite the wealth of published observations, the nature of this object and its...
2006 interferometry imaging beauty contest (2008)
Lawson, Peter R., Cotton, W. D., Hummel, C. A., Ireland, M., Monnier, J. D., Baron, F., ...
NASA/JPL
Milli-arcsecond astrophysics with VSI, the VLTI spectro-imager in the ELT era (2008)
Malbet, F., Buscher, D., Weigelt, G., Garcia, P., Gai, M., Lorenzetti, D., ...
Nowadays, compact sources like surfaces of nearby stars, circumstellar environments of stars from early stages to the most evolved ones and surroundings of active galactic nuclei can be investigated...
First AMBER/VLTI Observations of Hot Massive Stars (2008)
Petrov, R. G., Millour, F., Chesneau, O., Weigelt, G., Bonneau, D., Stee, Ph., ...
AMBER is the first near infrared focal instrument of the VLTI. It combines three telescopes and produces spectrally resolved interferometric measures. This paper discusses some preliminary results of...
Milli-arcsecond astrophysics with VSI, the VLTI spectro-imager in the ELT era (2008)
Malbet, F., Buscher, D., Weigelt, G., Garcia, P., Gai, M., Lorenzetti, D., ...
Nowadays, compact sources like surfaces of nearby stars, circumstellar environments of stars from early stages to the most evolved ones and surroundings of active galactic nuclei can be investigated...
Milli-arcsecond astrophysics with VSI, the VLTI spectro-imager in the ELT era (2008)
Malbet, F., Buscher, D., Weigelt, G., Garcia, P., Gai, M., Lorenzetti, D., ...
Nowadays, compact sources like surfaces of nearby stars, circumstellar environments of stars from early stages to the most evolved ones and surroundings of active galactic nuclei can be investigated...
First AMBER/VLTI Observations of Hot Massive Stars (2008)
Petrov, R. G., Millour, F., Chesneau, O., Weigelt, G., Bonneau, D., Stee, Ph., ...
AMBER is the first near infrared focal instrument of the VLTI. It combines three telescopes and produces spectrally resolved interferometric measures. This paper discusses some preliminary results of...
LITpro: a model fitting software for optical interferometry (2008)
Tallon-Bosc, Isabelle, Tallon, M., Thiébaut, E., Bechet, C., Mella, Guillaume, Lafrasse, Sylvain, ...
LITpro is a software for fitting models on data obtained from various stellar optical interferometers, like the VLTI. As a baseline, for modeling the object, it provides a set of elementary...
LITpro: a model fitting software for optical interferometry (2008)
Tallon-Bosc, Isabelle, Tallon, M., Thiébaut, E., Bechet, C., Mella, Guillaume, Lafrasse, Sylvain, ...
LITpro is a software for fitting models on data obtained from various stellar optical interferometers, like the VLTI. As a baseline, for modeling the object, it provides a set of elementary...
Dust and winds from evolved stars (2008)
Mathias, P., Lopez, B., Menut, J. L., Chesneau, O., Przygodda, F., Berruyer, N., ...
Until now, most interpretations have been limited to spherical geometry (or axisymmetric one when a dust torus is seen for instance). However, many measurements (polarisation, high resolution...
APerture synthesis in the MID-infrared with the VLTI (2008)
Lopez, B., Wolf, S., Duguée, M., Graser, U., Mathias, Ph, Antonelli, P., ...
Our objective is to develop of the mid-infrared imaging for the VLTI. Several areas of astrophysics will benefit of this new capability. APreS-MIDI comprises a beam combiner which interfaces with the...
MATISSE: perspective of imaging in the mid-infrared at the VLTI (2008)
Lopez, B., Antonelli, P., Wolf, S., Lagarde, S., Jaffe, W., Navarro, R., ...
MATISSE is foreseen as a mid-infrared spectro-interferometer combining the beams of up to four UTs/ATs of the Very Large Telescope Interferometer (VLTI) of the European Southern Observatory. The...
Observations of 51 Ophiuchi with MIDI at the VLTI (2008)
Gil, C., Malbet, F., Schöller, M., Chesneau, O., Leinert, Ch
We present interferometric observations of the Be star 51 Ophiuchi. These observations were obtained during the science demonstration phase of the MIDI instrument at the VLTI in June 2003. The...
Interferometry of M8E-IR with MIDI - resolving the dust emission (2008)
Feldt, M., Pascucci, I., Chesneau, O., Apai, D., Henning, Th, Leinert, Ch, ...
We report on interferometry of the high-mass young stellar object M8E-IR performed with MIDI at the ESO-VLTI. The observations were carried out using the UT1-UT3 and UT2-UT3 baselines. The...
Eta Car through the Eyes of Interferometers (2008)
Chesneau, O., Boekel, R. Van, Herbst, T., Kervella, P., Min, M., ...
The core of the nebula surrounding Eta Carinae has recently been observed with VLT/NACO, VLTI/VINCI, VLTI/MIDI and VLTI/AMBER in order to spatially and spectrally constrain the warm dusty environment...
The equatorial disk at the center of the planetary nebula CPD-568032 (2008)
Chesneau, O., Marco, O. De, Collioud, A., Rothkopf, A., Zijlstra, A., Wolf, S., ...
We present observations of the dusty emission from the planetary nebulae CPD-568032 by VLTI/MIDI. The dusty environment of CPD-568032 exhibits a bright unresolved core and a more diffuse environment....
MWC 297: A young high-mass star rotating at critical velocity (2008)
Acke, B., Verhoelst, T., Deroo, P., Waelkens, C., Chesneau, O., ...
Context. MWC 297 is a nearby young massive B[e] star. The central star is attenuated by 8 mag in the optical and has a high projected rotational velocity of 350 km s(-1). Despite the wealth of...
Mid-infrared interferometry of dust around massive evolved stars (2007)
Rajagopal, Jayadev, Menut, Jean-Luc, Wallace, D., Danchi, W. C., Chesneau, O., Lopez, B., ...
We report long-baseline interferometric measurements of circumstellar dust around massive evolved stars with the MIDI instrument on the Very Large Telescope Interferometer and provide spectrally...
Mid-Infrared interferometry of dust around massive evolved stars (2007)
Rajagopal, Jayadev, Menut, Jean-Luc, Wallace, D., Danchi, W. C., Chesneau, O., Lopez, B., ...
We report long-baseline interferometric measurements of circumstellar dust around massive evolved stars with the MIDI instrument on the Very Large Telescope Interferometer and provide spectrally...
A snapshot of the inner dusty regions of a RCrB-type variable (2007)
Leao, I. C., De Laverny, Patrick, Chesneau, O., Mekarnia, D., De Medeiros, J. R.
R Coronae Borealis variable stars are suspected to sporadically eject optically thick dust clouds causing, when one of them lies on the line-of-sight, a huge brightness decline in visible light....
Direct constraint on the distance of Gamma2 Velorum from AMBER/VLTI observations. (2007)
Millour, F., G. Petrov, R., Chesneau, O., Bonneau, D., Dessart, L., Bechet, C., ...
In this work, we present the first AMBER observations, of the Wolf-Rayet and O (WR+O) star binary system y² Velorum. The AMBER instrument was used with the telescopes UT2, UT3, and UT4 on baselines...
A snapshot of the inner dusty regions of a RCrB-type variable (2007)
Leao, I.C., De Laverny, Patrick, Chesneau, O., Mekarnia, D., De Medeiros, J.R.
R Coronae Borealis variable stars are suspected to sporadically eject optically thick dust clouds causing, when one of them lies on the line-of-sight, a huge brightness decline in visible light....
Direct constraint on the distance of Gamma2 Velorum from AMBER/VLTI observations. (2007)
Millour, F., G. Petrov, R., Chesneau, O., Bonneau, D., Dessart, L., Bechet, C., ...
In this work, we present the first AMBER observations, of the Wolf-Rayet and O (WR+O) star binary system y² Velorum. The AMBER instrument was used with the telescopes UT2, UT3, and UT4 on baselines...
A snapshot of the inner dusty regions of a RCrB-type variable (2007)
Leao, I.C., De Laverny, Patrick, Chesneau, O., Mekarnia, D., De Medeiros, J.R.
R Coronae Borealis variable stars are suspected to sporadically eject optically thick dust clouds causing, when one of them lies on the line-of-sight, a huge brightness decline in visible light....
The molecular and dusty composition of Betelgeuse's inner circumstellar environment (2007)
Perrin, G., Verhoelst, T., Ridgway, S. T., Cami, J., Nguyen, Q. N., Chesneau, O., ...
Context: The study of the atmosphere of red supergiant stars in general and of Betelgeuse (alpha Orionis) in particular is of prime importance to understand dust formation and how mass is lost to the...
A silicate disk in the heart of the Ant (2007)
Chesneau, O., Lykou, F., Balick, B., Lagadec, E., Matsuura, M., Smith, N., ...
Aims.We aim at getting high spatial resolution information on the dusty core of bipolar planetary nebulae to directly constrain the shaping process. Methods: We present observations of the dusty core...
Predicting leakage rates through background losses and unreported burst modelling (2007)
Chesneau, O., Brémond, B., Le Gat, Y.
Sustainable management of leaks in drinking water networks is a key issue for water distribution companies. Since it can reduce water losses and therefore groundwater abstraction operations, it is an...
Direct constraint on the distance of y2 Velorum from AMBER/VLTI observations (2006)
Millour, F., Petrov, R. G., Chesneau, O., Bonneau, D., Dessart, L., Bechet, C., ...
In this work, we present the first AMBER observations, of the Wolf-Rayet and O (WR+O) star binary system y2 Velorum. The AMBER instrument was used with the telescopes UT2, UT3, and UT4 on baselines...
The compact circumstellar material around OH 231.8+4.2 (2006)
Matsuura, M., Chesneau, O., Zijlstra, A. A., Jaffe, W., Yates, J., ...
We have observed the bipolar post-AGB candidate OH 231.8+4.2, using the mid-infrared interferometer MIDI and the infrared camera with the adaptive optics system NACO on the Very Large Telescope. An...
MATISSE: perspective of imaging in the mid-infrared at the VLTI (2006)
Lopez, B., Wolf, S., Lagarde, S., Abraham, P., Antonelli, P., Augereau, J. C., ...
Our objective is the development of mid-infrared imaging at the VLTI. The related science case study demonstrates the enormous capability of a new generation mid-infrared beam combiner. MATISSE will...
MATISSE: A four beams combiner in the mid-infrared for the VLTI (2006)
Lagarde, S., Lopez, B., Antonelli, P., Beckman, U., Behrend, J., Bresson, Y., ...
A first generation of VLTI (Very Large Telescopes Interferometer) focal instruments, AMBER in the near-infrared and MIDI in the mid-infrared, has been already integrated and tested. New and important...
A close look into the carbon disk at the core of the Planetary Nebula CPD-56°8032 (2006)
Chesneau, O., Collioud, A., De Marco, O., Wolf, S., Lagadec, E., Zijlstra, A. A., ...
Aims.We present high spatial resolution observations of the dusty core of the Planetary Nebula with Wolf-Rayet central star CPD-56°8032, for which indications of a compact disk have been found by...
The compact circumstellar material around OH 231.8+4.2 (2006)
Matsuura, M., Chesneau, O., Zijlstra, A.A., Jaffe,W., Yates, J.A., ...
High spatial resolution observations of OH 231.8+4.2 (2006)
Matsuura, M., Chesneau, O., Zijlstra, A.A., Jaffe, W., Yates, J.A., ...
We have observed the bipolar post-AGB candidate OH 231.8+4.2, using the mid-infrared interferometer MIDI and the infrared camera with the adaptive optics system NACO on the Very Large Telescope. The...
The Compact Circumstellar Material around OH 231.8+4.2 (2006)
Matsuura, M., Chesneau, O., Zijlstra, A.A., Jaffe, W., Yates, J.A., ...
We have observed the bipolar post-asymptotic giant branch candidate OH 231.8+4.2, using the mid-infrared interferometer MIDI and the infrared camera with the adaptive optics system NACO on the Very...
MATISSE: perspective of imaging in the mid-infrared at the VLTI (2006)
Lopez, B., Wolf, S., Lagarde, S., Ãbrahám, P., Antonelli, P., Augereau, J.C., ...
Our objective is the development of mid-infrared imaging at the VLTI. The related science case study demonstrates the enormous capability of a new generation mid-infrared beam combiner. MATISSE will...
MATISSE: a four beams combiner in the mid-infrared for the VLTI (2006)
Lagarde, S., Lopez, B., Antonelli, P., Beckman, U., Behrend, J., Bresson, Y., ...
A first generation of VLTI (Very Large Telescopes Interferometer) focal instruments, AMBER in the near-infrared and MIDI in the mid-infrared, has been already integrated and tested. New and important...
The degradation of the performance of water networks due to ageing has to be fought. The high financial stakes involved in keeping the quality of service at an acceptable level impose the need for a...
De Souza, A. Domiciano, Driebe, T., Chesneau, O., Kraus, S., Miroshnichenko, A. S., ...
We present the first high spatial and spectral observations of the circumstellar envelope (CSE) of a B[e] supergiant (CPD$-57 2874$), performed with the Very Large Telescope Interferometer (VLTI)....
De Souza, A. Domiciano, Driebe, T., Chesneau, O., Kraus, S., Miroshnichenko, A. S., ...
We present the first high spatial and spectral observations of the circumstellar envelope (CSE) of a B[e] supergiant (CPD$-57 2874$), performed with the Very Large Telescope Interferometer (VLTI)....
De Souza, A. Domiciano, Driebe, T., Chesneau, O., Kraus, S., Miroshnichenko, A. S., ...
We present the first spectro-interferometric observations of the circumstellar envelope (CSE) of a B[e] supergiant (CPD -57 2874), performed with the Very Large Telescope Interferometer (VLTI) using...
Malbet, F., Benisty, M., De Wit, W.J., Kraus, S., Meilland, A., Millour, F., ...
The young stellar object MWC 297 is an embedded B1.5Ve star exhibiting strong hydrogen emission lines and a strong near-infrared continuum excess. This object has been observed with the VLT...
Malbet, F., Benisty, M., De Wit, W.J., Kraus, S., Meilland, A., Millour, F., ...
The young stellar object MWC 297 is an embedded B1.5Ve star exhibiting strong hydrogen emission lines and a strong near-infrared continuum excess. This object has been observed with the VLT...
Malbet, F., Benisty, M., De Wit, W. J., Kraus, S., Meilland, A., Millour, F., ...
The young stellar object MWC 297 has been observed with the VLT interferometer equipped with the AMBER instrument. MWC 297 has been spatially resolved in the continuum with a visibility of 0.50 as...
First AMBER/VLTI observations of hot massive stars (2005)
Petrov, R. G., Millour, F., Chesneau, O., Weigelt, G., Bonneau, D., Stee, Ph., ...
AMBER is the first near infrared focal instrument of the VLTI. It combines three telescopes and produces spectrally resolved interferometric measures. This paper discusses some preliminary results of...
First AMBER/VLTI observations of hot massive stars (2005)
Petrov, R., Millour, F., Chesneau, O., Weigelt, G., Bonneau, D., Stee, Ph., ...
AMBER is the first near infrared focal instrument of the VLTI. It combines three telescopes and produces spectrally resolved interferometric measures. This paper discusses some preliminary results of...
First AMBER/VLTI observations of hot massive stars (2005)
Petrov, R., Millour, F., Chesneau, O., Weigelt, G., Bonneau, D., Stee, Ph., ...
AMBER is the first near infrared focal instrument of the VLTI. It combines three telescopes and produces spectrally resolved interferometric measures. This paper discusses some preliminary results of...
Observations of 51 Ophiuchi with MIDI at the VLTI (2005)
Gil, C., Malbet, F., Schoeller, M., Chesneau, O., Leinert, Ch.
We present interferometric observations of the Be star 51 Ophiuchi. These observations were obtained during the science demonstration phase of the MIDI instrument at the Very Large Telescope...
Malbet, Fabien, Benisty, M., De Wit, W. J., Kraus, S., Meilland, A., Millour, F., ...
The young stellar object MWC297 is a B1.5Ve star exhibiting strong hydrogen emission lines. This object has been observed by the AMBER/VLTI instrument in 2-telescope mode in a sub-region of the K...
The Mid-IR spatially resolved environment of OH26.5+0.6 at maximum luminosity (2005)
Chesneau, O., Verhoelst, T., Lopez, B., Leinert, Ch., Jaffe, W., ...
We present observations of the famous OH/IR star OH26.5+0.6 obtained using the Mid-Infrared Interferometric Instrument MIDI at the European Southern Observatory (ESO) Very Large Telescope...
The Mid-IR spatially resolved environment of OH26.5+0.6 at maximum luminosity (2005)
Chesneau, O., Verhoelst, T., Lopez, B., Leinert, Ch., Jaffe, W., ...
We present observations of the famous OH/IR star OH26.5+0.6 obtained using the Mid-Infrared Interferometric Instrument MIDI at the European Southern Observatory (ESO) Very Large Telescope...
The Mid-IR spatially resolved environment of OH26.5+0.6 at maximum luminosity (2005)
Chesneau, O., Verhoelst, T., Lopez, B., Leinert, Ch., Jaffe, W., ...
We present observations of the famous OH/IR star OH26.5+0.6 obtained using the Mid-Infrared Interferometric Instrument MIDI at the European Southern Observatory (ESO) Very Large Telescope...
The sub-arcsecond dusty environment of Eta Carinae (2005)
Chesneau, O., Min, M., Herbst, T., Hillier, D.J., Leinert, Ch., ...
The core of the nebula surrounding Eta Carinae has been observed with the VLT Adaptive Optics system NACO and with the interferometer VLTI/MIDI to constrain spatially and spectrally the warm dusty...
The sub-arcsecond dusty environment of Eta Carinae (2005)
Chesneau, O., Min, M., Herbst, T., Hillier, D.J., Leinert, Ch., ...
The core of the nebula surrounding Eta Carinae has been observed with the VLT Adaptive Optics system NACO and with the interferometer VLTI/MIDI to constrain spatially and spectrally the warm dusty...
The sub-arcsecond dusty environment of Eta Carinae (2005)
Chesneau, O., Min, M., Herbst, T., Hillier, D. J., Leinert, Ch., ...
The core of the nebula surrounding Eta Carinae has been observed with the VLT Adaptive Optics system NACO and with the interferometer VLTI/MIDI to constrain spatially and spectrally the warm dusty...
De Souza, A. Domiciano, Driebe, T., Chesneau, O., Kraus, S., Miroshnichenko, A. S., ...
We present the first high spatial and spectral observations of the circumstellar envelope (CSE) of a B[e] supergiant (CPD$-57 2874$), performed with the Very Large Telescope Interferometer (VLTI)....
Malbet, Fabien, Benisty, M., De Wit, W.J., Kraus, S., Meilland, A., Millour, F., ...
The young stellar object MWC297 is a B1.5Ve star exhibiting strong hydrogen emission lines. This object has been observed by the AMBER/VLTI instrument in 2-telescope mode in a sub-region of the K...
De Souza, A. Domiciano, Driebe, T., Chesneau, O., Kraus, S., Miroshnichenko, A. S., ...
We present the first high spatial and spectral observations of the circumstellar envelope (CSE) of a B[e] supergiant (CPD$-57 2874$), performed with the Very Large Telescope Interferometer (VLTI)....
Malbet, Fabien, Benisty, M., De Wit, W.J., Kraus, S., Meilland, A., Millour, F., ...
The young stellar object MWC297 is a B1.5Ve star exhibiting strong hydrogen emission lines. This object has been observed by the AMBER/VLTI instrument in 2-telescope mode in a sub-region of the K...
Malbet, F., Benisty, M., De Wit, W.J., Kraus, S., Meilland, A., Millour, F., ...
The young stellar object MWC 297 is an embedded B1.5Ve star exhibiting strong hydrogen emission lines and a strong near-infrared continuum excess. This object has been observed with the VLT...
The Mid-IR spatially resolved environment of OH26.5+0.6 at maximum luminosity (2005)
Chesneau, O., Verhoelst, T., Lopez, B., Leinert, Ch., Jaffe, W., ...
We present observations of the famous OH/IR star OH26.5+0.6 obtained using the Mid-Infrared Interferometric Instrument MIDI at the European Southern Observatory (ESO) Very Large Telescope...
The sub-arcsecond dusty environment of Eta Carinae (2005)
Chesneau, O., Min, M., Herbst, T., Hillier, D.J., Leinert, Ch., ...
The core of the nebula surrounding Eta Carinae has been observed with the VLT Adaptive Optics system NACO and with the interferometer VLTI/MIDI to constrain spatially and spectrally the warm dusty...
Malbet, Fabien, Benisty, M., De Wit, W.J., Kraus, S., Meilland, A., Millour, F., ...
The young stellar object MWC297 is a B1.5Ve star exhibiting strong hydrogen emission lines. This object has been observed by the AMBER/VLTI instrument in 2-telescope mode in a sub-region of the K...
The sub-arcsecond dusty environment of Eta Carinae (2005)
Chesneau, O., Min, M., Herbst, T., Hillier, D.J., Leinert, C., ...
The mid-IR spatially resolved environment of OH 26.5+0.6 at maximum luminosity (2005)
Chesneau, O., Verhoelst, T., Lopez, B., Leinert, C., Jaffe, W., ...
The mid-IR spatially resolved environment of OH 26.5+0.6 at maximum luminosity (2005)
Chesneau, O., Verhoelst, T., Lopez, B., Leinert, C., Jaffe, W., ...
Recent astrophysical results from the VLTI (2005)
Wittkowski, M., Paresce, F., Chesneau, O., Kervella, P., Meilland, A., Meisenheimer, K., ...
First VLTI/MIDI observations of a Be star : Alpha Arae (2005)
Chesneau, O., Meilland, A., Rivinius, T., Stee, P., Jankov, S., De Souza, A. D., ...
The Solid State Composition and Mass of the Homunculus of eta Carinae (2005)
De Koter, A., Min, M., Van Boekel, R., Chesneau, O.
We investigate the solid state composition of the Homunculus of eta Car and confirm the presence of a compact form of aluminum oxide such as corundum. We point out that the uncertainty in the current...
The mid-IR spatially resolved environment of OH 26.5+0.6 at maximum luminosity (2005)
Chesneau, O., Verhoelst, T., Lopez, B., Leinert, Ch., Jaffe, W., ...
We present observations of the famous OH/IR star OH 26.5+0.6 obtained using the Mid-Infrared Interferometric Instrument MIDI at the European Southern Observatory (ESO) Very Large Telescope...
The sub-arcsecond dusty environment of Eta Carinae (2005)
Chesneau, O., Min, M., Herbst, T., Leinert, Ch., Hillier, D. J.
The core of the nebula surrounding Eta Carinae was observed with the VLT Adaptive Optics system NACO and with the interferometer VLTI/MIDI to spatially and spectrally isolate the warm dusty...
First VLTI/MIDI observations of a Be star: Alpha Arae (2005)
Chesneau, O., Meilland, A., Rivinius, T., Stee, Ph., Jankov, S., ...
We present the first VLTI/MIDI observations of the Be star alpha Ara (HD 158 427), showing a nearly unresolved circumstellar disk in the N band. The interferometric measurements made use of the UT1...
The sub-arcsecond dusty environment of Eta Carinae (2005)
Chesneau, O., Min, M., Herbst, T., Hillier, D. J., Leinert, Ch., ...
The core of the nebula surrounding Eta Carinae has been observed with the VLT Adaptive Optics system NACO and with the interferometer VLTI/MIDI to constrain spatially and spectrally the warm dusty...
The Mid-IR interferometer VLTI/MIDI and the study of hot star disks (2005)
Chesneau, O., Leinert, Ch., Stee, Ph., Meilland, A., Van Boekel, R., ...
The Mid-IR interferometric instrument MIDI on the Very Large Telescope Interferometer (VLTI) in June 2003 allows interferometric observations over the 8 mum- 13 mum wavelength range, with a spatial...
Recent astrophysical results from the VLTI (2005)
Wittkowski, M., Paresce, F., Chesneau, O., Kervella, P., Meilland, A., Meisenheimer, K., ...
Not Available
The sub-arcsecond dusty environment of Eta Carinae (2005)
Chesneau, O., Min, M., Herbst, T., Hillier, D.J., Leinert, C., ...
The mid-IR spatially resolved environment of OH 26.5+0.6 at maximum luminosity (2005)
Chesneau, O., Verhoelst, T., Lopez, B., Leinert, C., Jaffe, W., ...
The sub-arcsecond dusty environment of Eta Carinae (2005)
Chesneau, O., Min, M., Herbst, T., Leinert, C., Hillier, D.J.
The Solid State Composition and Mass of the Homunculus of eta Carinae (2005)
Koter, A. De, Min, M., Chesneau, O.
We investigate the solid state composition of the Homunculus of eta Car and confirm the presence of a compact form of aluminum oxide such as corundum. We point out that the uncertainty in the current...
The sub-arcsecond dusty environment of Eta Carinae (2005)
Chesneau, O., Min, M., Herbst, T., Hillier, D.J., Leinert, C., ...
The core of the nebula surrounding Eta Carinae has been observed with the VLT Adaptive Optics system NACO and with the interferometer VLTI/MIDI to constrain spatially and spectrally the warm dusty...
Malbet, F., Benisty, M., De Wit, W.J., Kraus, S., Meilland, A., Millour, F., ...
The young stellar object MWC 297 is an embedded B1.5Ve star exhibiting strong hydrogen emission lines and a strong near-infrared continuum excess. This object has been observed with the VLT...
Malbet, Fabien, Benisty, M., De Wit, W.J., Kraus, S., Meilland, A., Millour, F., ...
The young stellar object MWC297 is a B1.5Ve star exhibiting strong hydrogen emission lines. This object has been observed by the AMBER/VLTI instrument in 2-telescope mode in a sub-region of the K...
The Mid-IR spatially resolved environment of OH26.5+0.6 at maximum luminosity (2005)
Chesneau, O., Verhoelst, T., Lopez, B., Leinert, Ch., Jaffe, W., ...
We present observations of the famous OH/IR star OH26.5+0.6 obtained using the Mid-Infrared Interferometric Instrument MIDI at the European Southern Observatory (ESO) Very Large Telescope...
The sub-arcsecond dusty environment of Eta Carinae (2005)
Chesneau, O., Min, M., Herbst, T., Hillier, D.J., Leinert, Ch., ...
The core of the nebula surrounding Eta Carinae has been observed with the VLT Adaptive Optics system NACO and with the interferometer VLTI/MIDI to constrain spatially and spectrally the warm dusty...
Assessing unrecoverable losses in water networks (2005)
Chesneau, O., Le Gat, Y., Brémond, B.
Leakage management is an efficient tool for saving water resources, that constitutes a major challenge for coming years. This paper specifically aims at proposing a statistical method for modelling...
First Midi Science Observations on VLT (2004)
Chesneau, O., Leinert, C., Przygodda, F., Glazenborg-Kluttig, A., Graser, U., Jaffe, W., ...
The mid-infrared interferometric instrument MIDI has performed its first scientific observations on the Very Large Telescope Interferometer (VLTI) in June 2003. It allows interferometric observations...
The central dusty torus in the active nucleus of NGC 1068 (2004)
Jaffe, W., Meisenheimer, K., Rottgering, H.J.A., Leinert, C., Richichi, A., Chesneau, O., ...
Active galactic nuclei (AGNs) display many energetic phenomena-broad emission lines, X-rays, relativistic jets, radio lobes-originating from matter falling onto a supermassive black hole. It is...
Sub-arcsecond dusty environment of Eta Carinae (2004)
The core of the nebula surrounding Eta Carinae has been observed with the VLT Adaptive Optics system NACO and with the interferometer VLTI/MIDI. Narrow-band images at 3.74 and 4.05 micron reveal the...
Leinert, C., Chesneau, O., Malbet, F., Kohler, R., ...
We present the first long baseline mid-infrared interferometric observations of the circumstellar disks surrounding Herbig Ae/Be stars. The observations were obtained using the mid-infrared...
The building blocks of planets within the `terrestrial' region of protoplanetary disks (2004)
Min, M., Leinert, C., Richichi, A., Chesneau, O., ...
Our Solar System was formed from a cloud of gas and dust. Most of the dust mass is contained in amorphous silicates, yet crystalline silicates are abundant throughout the Solar System, reflecting the...
The central dusty torus in the active nucleus of NGC 1068 (2004)
Jaffe, W., Meisenheimer, K., Roettgering, H. J. A., Leinert, Ch., Richichi, A., Chesneau, O., ...
Active galactic nuclei (AGNs) display many energetic phenomenabroad emission lines, X-rays, relativistic jets, radio lobesoriginating from matter falling onto a supermassive black hole. It is...
The central dusty torus in the active nucleus of NGC 1068 (2004)
Jaffe, W., Meisenheimer, K., Röttgering, H. J. A., Leinert, C., Richichi, A., Chesneau, O., ...
The building blocks of planets within the 'terrestrial' region of protoplanetary disks (2004)
Van Boekel, R., Min, M., Leinert, C., Richichi, A., Chesneau, O., ...
The central dusty torus in the active nucleus of NGC 1068 (2004)
Jaffe, W., Meisenheimer, K., Röttgering, H. J. A., Leinert, Ch., Richichi, A., Chesneau, O., ...
Active galactic nuclei (AGNs) display many energetic phenomena-broad emission lines, X-rays, relativistic jets, radio lobes-originating from matter falling onto a supermassive black hole. It is...
Leinert, Ch., Van Boekel, R., Chesneau, O., Malbet, F., Köhler, R., ...
We present the first long baseline mid-infrared interferometric observations of the circumstellar disks surrounding Herbig Ae/Be stars. The observations were obtained using the mid-infrared...
Status of the MIDI instrument and first scientific results (2004)
Chesneau, O., Leinert, C., Lopez, B., Perrin, G., Dutrey, A.
First Midi science observations on VLT (2004)
Chesneau, O., Leinert, Ch., Przygodda, F., Glazenborg-Kluttig, A., Graser, U., Jaffe, W., ...
The mid-infrared interferometric instrument MIDI has performed its first scientific observations on the Very Large Telescope Interferometer (VLTI) in June 2003. It allows interferometric observations...
The building blocks of planets within the 'terrestrial' region of protoplanetary disks (2004)
Van Boekel, R., Min, M., Leinert, Ch., Richichi, A., Chesneau, O., ...
Our Solar System was formed from a cloud of gas and dust. Most of the dust mass is contained in amorphous silicates, yet crystalline silicates are abundant throughout the Solar System, reflecting the...
APreS-MIDI, APerture synthesis in the MID-infrared with the VLTI (2004)
Lopez, B., Przygodda, F., Wolf, S., Dugue, M., Graser, U., Gitton, P., ...
Recombining light of the VLTI at 10 microns by densifying the images (2004)
Dugue, M., Lopez, B., Przygodda, F., Graser, U., Gitton, P., Wolf, S., ...
Preliminary result of the analysis of T Sagittarrii data and modeling (2004)
Chesneau, O., Lopez, B., Berruyer, N., Graser, U., Niccolini, G., ...
Recombining light of the VLTI at 10 microns by densifying the images (2004)
Dugou, M., Lopez, B., Przygodda, F., Graser, U., Gitton, P. B., Wolf, S., ...
APreS-MIDI, APerture synthesis in the MID-infrared with the VLTI (2004)
Lopez, B., Przygodda, F., Wolf, S., Dugou, M., Graser, U., Gitton, P. B., ...
The Mid-IR interferometer VLTI/MIDI and the study of hot star disks (2004)
Chesneau, O., Leinert, C., Stee, P., Meilland, A., ...
The Mid-IR interferometric instrument MIDI on the Very Large Telescope Interferometer (VLTI) in June 2003 allows interferometric observations over the 8 mum-13 mum wavelength range, with a spatial...
Hot stars mass-loss studied with Spectro-Polarimetric INterferometry (SPIN) (2003)
We present a prospective work undertaken on Spectro-Polarimetric INterferometry (SPIN). Our theoretical studies suggest that SPIN is a powerful tool for studying the mass loss from early type stars...
MIDI - the 10 mm instrument on the VLTI (2003)
Leinert, Ch., Graser, U., Przygodda, F., Perrin, G., Jaffe, W., ...
After more than five years of preparation, the mid-infrared interferometric instrument MIDI has been transported to Paranal where it will undergo testing and commissioning on the Very Large Telescope...
Interferometric observation at mid-infrared wave-lengths with MIDI (2003)
Przygodda, Frank, Chesneau, O., Graser, U., Leinert, Ch., Morel, S.
MIDI, the MID-Infrared Interferometric Instrument for ESO's Very Large Telescope Interferometer (VLTI), will be the first instrument for combining mid-infrared light directly in order to obtain...
Achromatic phase shifter by reversal of electrical field vector at reflections (2003)
Schmidt, E., Chesneau, O., Herbst, T., Launhardt, R., Stuffler, T.
MIDI - first results from commissioning on Paranal (2003)
Przygodda, F., Chesneau, O., Leinert, Ch., Graser, U., Neumann, U., Jaffe, W., ...
Calibration methodology for a residual chlorine decreasing model in drinking water networks (2003)
Chesneau, O., Brémond, B., Piller, O.
Residual chlorine concentration is an indirect indicator of the quality of distributed water. Originators and managers of networks use this indicator in the dimensioning process and in their...
Adaptive optics imaging of P Cygni in Halpha (2000)
Chesneau, O., Roche, M., Boccaletti, A., Abe, L., Moutou, C., Charbonnier, F., ...
We obtained Halpha diffraction limited data of the LBV star P Cyg using the ONERA Adaptive Optics (AO) facility BOA at the OHP 1.52m telescope on October 1997. Taking P Cyg and the reference star 59...
GI2T/REGAIN spectro-interferometry with a new infrared beam combiner (2000)
Weigelt, G., Mourard, D., Abe, L., Beckmann, U., Chesneau, O., Hillemanns, C., ...
We have built an infrared beam combiner for the GI2T/REGAIN interferometer of the Observatoire de la Cote d'Azur. The beam combiner allows us to record spectrally dispersed Michelson interference...
Chesneau, O., Morvan, A., Solh, N. El
Twenty-five different Staphylococcus aureus strains that are widespread in France were screened by various methods for heterogeneous and low-level resistance to vancomycin. Population analysis on...
The William-Wehlau Spectropolarimeter: Observing hot stars in all four Stokes parameters (1998)
Moffat, AFJ, Rice, JB, Piskunov, N, Bastien, P, ...
We introduce a new polarimeter unit, which, mounted at the Cassegrain focus of any telescope and fiber-connected to a fixed CCD spectrograph, is able to measure all Stokes parameters I, Q, U, and V...
Clermont, D, Chesneau, O, De Cespédès, G, Horaud, T
An approach based on PCR has been developed to identify new members of the tet gene family in streptococci resistant to tetracycline and minocycline. Degenerate primers, corresponding to portions of...
Chesneau, O, Aubert, S, Morvan, A, Guesdon, J L, El Solh, N
The usefulness of the ID32 Staph System and a method based on rRNA gene restriction site polymorphism was evaluated by the study of 42 staphylococcal clinical isolates phenotypically difficult to...
Clermont, D, Chesneau, O, De Cespédès, G, Horaud, T
An approach based on PCR has been developed to identify new members of the tet gene family in streptococci resistant to tetracycline and minocycline. Degenerate primers, corresponding to portions of...
Chesneau, O, Aubert, S, Morvan, A, Guesdon, J L, El Solh, N
The usefulness of the ID32 Staph System and a method based on rRNA gene restriction site polymorphism was evaluated by the study of 42 staphylococcal clinical isolates phenotypically difficult to...