The Gaussian Envelope of χ Ophiuchii

Details The Gaussian Envelope of χ Ophiuchii The Gaussian Envelope of χ Ophiuchii

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...210.7503t&link_type=abstract

American Astronomical Society Meeting 210, #75.03; Bulletin of the American Astronomical Society, Vol. 39, p.182

Astronomy and Astrophysics

Astronomy

Scientific paper

The formation of circumstellar disks that are associated with rapidly rotating main sequence B-type stars is believed to be directly related to a near-critical stellar rotation. We investigate the circumstellar region of χ Ophiuchii with long-baseline interferometric observations in the Hα Balmer line. Our observations fully resolve the circumstellar disk around this star for the first time and present the best example to date of a Gaussian radial Hα intensity distribution. We discuss how this result impacts current state-of-the art disk models, which include solar chemical composition and full NLTE treatment.

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