Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21335801s&link_type=abstract
American Astronomical Society, AAS Meeting #213, #358.01; Bulletin of the American Astronomical Society, Vol. 41, p.501
Astronomy and Astrophysics
Astronomy
1
Scientific paper
51 Ophiuchi (51 Oph) is a rapidly rotating B9.5Ve star located at 131 pc that shows a large infrared excess in its spectral energy distribution due to dust emission from a circumstellar disk. The young 51 Oph system probably represents a rare example of a planetary system just entering the late stages of formation, after the primordial gas has substantially dissipated, but before terrestrial planets have finished accreting. Its nearly edge-on disk of gas and dust exhibit several features which the 51 Oph system may have in common with Beta Pic. Here we present new observations of 51 Oph using the Keck Interferometer Nuller that help to constrain the geometry of the dust disk. We compare these observations to MIDI and Spitzer IRS observations of 51 Oph, and simultaneously model all three data sets using simple, edge-on disk models.
Colavita Mark M.
Kuchner Marc J.
Monnier John D.
Serabyn Eugen
Stark Christopher C.
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