Disks Around Young Brown Dwarfs in OMC 2/3

Details Disks Around Young Brown Dwarfs in OMC 2/3 Disks Around Young Brown Dwarfs in OMC 2/3

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...210.3602p&link_type=abstract

American Astronomical Society Meeting 210, #36.02; Bulletin of the American Astronomical Society, Vol. 39, p.149

Astronomy and Astrophysics

Astronomy

Scientific paper

Circumstellar disks are identified in many young stellar objects through infrared excess emission. Using ground-based near-infrared and Spitzer data, a population of brown dwarfs with disks has been identified in the Orion Molecular Cloud 2/3 region (OMC 2/3). OMC 2/3 is a very active region of ongoing star formation. Submillimeter surveys have found twenty-one protostellar cores in OMC 2/3 (Chini et al. 1997); however it has not been studied as extensively and to similar depth as the neighboring Orion Nebula Cluster. Deep near-infrared, visible and Spitzer observations of OMC 2/3 have been obtained and analyzed to identify pre-main sequence (PMS) stars and brown dwarfs. Spectroscopic follow-up has confirmed 19 bona fide brown dwarfs in this region (Peterson et al. 2007). Spitzer photometry is used to detect mid-infrared excess emission in the OMC 2/3 brown dwarfs, confirming that they exhibit circumstellar disks. We present the circumstellar disk fraction for young brown dwarfs in OMC 2/3.

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