Direct imaging at 12 microns of the star-forming region W51 IRS 2

Details Direct imaging at 12 microns of the star-forming region W51 IRS 2 Direct imaging at 12 microns of the star-forming region W51 IRS 2

Dec 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...323l..73b&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 323, Dec. 1, 1987, p. L73-L76.

Astronomy and Astrophysics

Astronomy

8

Astronomical Photometry, Infrared Radiation, Radio Sources (Astronomy), Star Formation, Space Temperature, Stellar Luminosity, Water Masers

Scientific paper

The authors have made direct imaging observations of the luminous star-forming region W51 IRS 2. The distribution of the 12 μm emission shows a symmetric "dumbbell" in which the central and brightest structure is ≡4arcsec×1arcsec in size. The observed surface brightness is consistent with optically thick 12 μm emission from dust at radiative equilibrium with a 3×106L_sun; central source. These results suggest that W51 IRS 2 is a hot, very dense massive disk surrounding a very luminous and massive protostellar source.

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