Scientific Commons: M. Benisty

Strong near-infrared emission in the sub-AU disk of the Herbig Ae star HD163296: evidence for refractory dust? (2009)

Benisty, M., Natta, A., Isella, A., Berger, J-P., Massi, F., LeBouquin, J-B., ...

We present new long-baseline spectro-interferometric observations of the HerbigAe star HD163296 obtained in the H and K bands with the AMBER instrument at VLTI. The observations cover a range of...

Spatially resolving the inhomogeneous structure of the dynamical atmosphere of Betelgeuse with VLTI/AMBER (2009)

Ohnaka, K., Benisty, M., Chelli, A., Driebe, T., Millour, F., ...

We present spatially resolved high-spectral resolution K-band observations of the red supergiant Betelgeuse (alpha Ori) using AMBER at the Very Large Telescope Interferometer (VLTI). Betelgeuse was...

The spin-orbit alignment of the Fomalhaut planetary system probed by optical long baseline interferometry (2009)

Le Bouquin, J-B, Absil, Olivier, Benisty, M, Massi, F, Mérand, A, Stefl, S

Aims. We discuss the spin-orbit orientation of the Fomalhaut planetary system composed of a central A4V star, a debris disk, and a recently discovered planetary companion. Methods: We use spectrally...

An integrated optics beam combiner for the second generation VLTI instruments (2009)

Benisty, M., Berger, J-P., Jocou, L., Labeye, P., Malbet, F., Perraut, K., ...

The very recent years have seen a promising start in scientific publications making use of images produced by near-infrared long-baseline interferometry. The technique has reached, at last, a...

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...

The origin of hydrogen line emission for five Herbig Ae/Be stars spatially resolved by VLTI/AMBER spectro-interferometry (2008)

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...

Characterization of integrated optics components for the second generation of VLTI instruments (2008)

Lacour, S., Jocou, L., Moulin, T., Labeye, P. R., Benisty, M., ...

Two of the three instruments proposed to ESO for the second generation instrumentation of the VLTI would use integrated optics for beam combination. Several design are studied, including co-axial and...

System overview of the VLTI Spectro-Imager (2008)

Jocou, L., Berger, J. P., Malbet, F., Kern, P., Beckmann, U., Lorenzetti, D., ...

The VLTI Spectro Imager project aims to perform imaging with a temporal resolution of 1 night and with a maximum angular resolution of 1 milliarcsecond, making best use of the Very Large Telescope...

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...

The origin of hydrogen line emission for five Herbig Ae/Be stars spatially resolved by VLTI/AMBER spectro-interferometry (2008)

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...

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...

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...

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...

The inner radius of T Tauri disks estimated from near-infrared interferometry: the importance of scattered light (2007)

Pinte, C., Menard, F., Berger, J. P., Benisty, M., Malbet, F.

For young Herbig Ae/Be stars, near-infrared interferometric measurements have revealed a correlation between the luminosity of the central object and the position of the disk inner rim. This...

Few skewed disks found in first closure-phase survey of Herbig Ae/Be stars (2006)

Monnier, J. D., Millan-Gabet, R., Schloerb, F. P., Pedretti, E., Benisty, M., ...

Using the three-telescope IOTA interferometer on Mount Hopkins, we report results from the first near-infrared (lambda = 1.65 mu m) closure-phase survey of young stellar objects (YSOs). These closure...

Bright localized near-infrared emission at 1-4 AU in the AB Aurigae disk revealed by IOTA closure phases (2006)

Millan-Gabet, R., Monnier, J. D., Traub, W. A., Schloerb, F. P., Pedretti, E., ...

We report on the detection of localized off-center emission at 1-4 AU in the circumstellar environment of the young stellar object AB Aurigae. We used closure-phase measurements in the near-infrared...

Few Skewed Disks Found in First Closure-Phase Survey of Herbig Ae/Be stars (2006)

Monnier, J. D., Millan-Gabet, R., Traub, W., Schloerb, F. P., Pedretti, E., ...

Using the 3-telescope IOTA interferometer on Mt. Hopkins, we report results from the first near-infrared (lambda=1.65 mu) closure-phase survey of Young Stellar Objects (YSOs). These closure phases...

Bright Localized Near-Infrared Emission at 1-4 AU in the AB Aurigae Disk Revealed by IOTA Closure Phases (2006)

Millan-Gabet, R., Monnier, J. D., Traub, W. A., Schloerb, F. P., Pedretti, E., ...

We report on the detection of localized off-center emission at 1-4 AU in the circumstellar environment of the young stellar object AB Aurigae. We used closure phase measurements in the near-infrared...

Disk and wind interaction in the young stellar object MWC 297 spatially resolved with VLTI/AMBER (2005)

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...

Disk and wind interaction in the young stellar object MWC 297 spatially resolved with VLTI/AMBER (2005)

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...

Disk and wind interaction in the young stellar object MWC 297 spatially resolved with VLTI/AMBER (2005)

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...

Disentangling the wind and the disk in the close surrounding of the young stellar object MWC297 with AMBER/VLTI (2005)

Malbet, Fabien, Benisty, M., De Wit, W. J., Kraus, S., Meilland, A., Millour, F., ...