High Angular Resolution Observations of Herbig AeBe Stars with the Infrared Optical Telescope Array

Details High Angular Resolution Observations of Herbig AeBe Stars with the Infrared Optical Telescope Array High Angular Resolution Observations of Herbig AeBe Stars with the Infrared Optical Telescope Array

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aas...193.7303m&link_type=abstract

American Astronomical Society, 193rd AAS Meeting, #73.03; Bulletin of the American Astronomical Society, Vol. 30, p.1361

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Scientific paper

Herbig AeBe stars are intermediate mass, pre-main sequence stars, and many of these objects show evidence of circumstellar disks. We present near-infrared, long baseline interferometric observations of a sample of 12 stars obtained at the Infrared Optical Telescope Array (IOTA). The IOTA resolves the circumstellar emission from these systems and allows their properties to be elucidated. Detailed modelling of the near-IR emission in AB Aur, the prototype for this class, reveals a characteristic size of 0.7 AU, depending on the assumed brightness structure. Preliminary analysis of the 11 other stars show that 9 are resolved by the IOTA. One object, MWC 361, is observed to be a binary system.

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