Astronomy and Astrophysics – Astrophysics
Scientific paper
2003-03-12
Astrophys.Space Sci. 286 (2003) 131-144
Astronomy and Astrophysics
Astrophysics
Review to be published in JENAM'2002 proceedings "The Very Large Telescope Interferometer Challenges for the future"
Scientific paper
10.1023/A:1026186902233
The study of Young Stellar Objects (YSOs) is one of the most exciting topics that can be undertaken by long baseline optical interferometry. The magnitudes of these objects are at the edge of capabilities of current optical interferometers, limiting the studies to a few dozen, but are well within the capability of coming large aperture interferometers like the VLT Interferometer, the Keck Interferometer, the Large Binocular Telescope or 'OHANA. The milli-arcsecond spatial resolution reached by interferometry probes the very close environment of young stars, down to a tenth of an astronomical unit. In this paper, I review the different aspects of star formation that can be tackled by interferometry: circumstellar disks, multiplicity, jets. I present recent observations performed with operational infrared interferometers, IOTA, PTI and ISI, and I show why in the next future one will extend these studies with large aperture interferometers.
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