An infrared study of Orion Molecular Cloud-2 (OMC-2)

Details An infrared study of Orion Molecular Cloud-2 (OMC-2) An infrared study of Orion Molecular Cloud-2 (OMC-2)

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj....100..518j&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 100, Aug. 1990, p. 518-529. Research supported by NASA, NSF, USAF, University of Min

Astronomy and Astrophysics

Astronomy

26

Astronomical Photography, Astronomical Photometry, Infrared Astronomy, Molecular Clouds, Orion Nebula, Reflection Nebulae, Early Stars, Star Formation, Stellar Luminosity, Stellar Mass

Scientific paper

This paper reports 1.2-23 micron photometry for 11 discrete sources in Orion Molecular Cloud-2 (OMC-2). These data, combined with H and K photometric and K polarimetric images, are used to model the cluster sources. Most appear to be young stars of roughly solar mass. Some have circumstellar dust reradiation or reflection nebulosity. A model based on single scattering of light from an exciting star explains some features of the IRS 1 nebula, the largest reflection nebula in OMC-2. However, the red colors and high surface brightness of the IRS 1 nebula require a cool excitation source that is more luminous than far-infrared observations would indicate.

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