Probing the inner part of protoplanetary disks with the VLTI

Fabien Malbet; Regis Lachaume; Jean-Louis Monin; Jean-Philippe Berger

doi:10.1117/12.390214

5 July 2000 Probing the inner part of protoplanetary disks with the VLTI

Fabien Malbet, Regis Lachaume, Jean-Louis Monin, Jean-Philippe Berger

Proceedings Volume 4006, Interferometry in Optical Astronomy; (2000) https://doi.org/10.1117/12.390214
Event: Astronomical Telescopes and Instrumentation, 2000, Munich, Germany

Abstract

Young stellar objects offer a rich circumstellar environment, indirectly revealed by photometry, spectroscopy and imaging, such as accretion disks, stellar companions, optical jets, stellar winds, etc. Most of these phenomena occur in a region whose size is less than 1 AU viewed at distances ranging from 140 pc to 450 pc depending on the star forming regions. Therefore optical interferometry in general and the VLTI in particular which provides milli- arcsecond spatial resolution is a powerful tool to probe the physics in these regions. Detecting the thermal emission of optically thick accretion disks is one of the clues to understand the still poorly known physics of close circumstellar environment. In this paper we focus on the results from a numerical code simulating the vertical structure of an accretion disk around a T Tauri star. The visibility and closure phase curves are interpreted in the framework of the VLTI with the AMBER instrument.

Citation Download Citation

Fabien Malbet, Regis Lachaume, Jean-Louis Monin, and Jean-Philippe Berger "Probing the inner part of protoplanetary disks with the VLTI", Proc. SPIE 4006, Interferometry in Optical Astronomy, (5 July 2000); https://doi.org/10.1117/12.390214

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