Far-infrared observations of Sagittarius B2: Reconsideration of source structure

Details Far-infrared observations of Sagittarius B2: Reconsideration of source structure Far-infrared observations of Sagittarius B2: Reconsideration of source structure

Oct 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985stin...8612167t&link_type=abstract

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Astronomy and Astrophysics

Astronomy

Far Infrared Radiation, Infrared Spectra, Nebulae, Sagittarius Constellation, Angular Resolution, Continuum Mechanics, Luminosity, Radio Sources (Astronomy)

Scientific paper

New moderate-angular-resolution far-infrared observations of the Sagittarius B2 star-forming region are presented, discussed, and compared with recent radio molecular and continuum observations of this source. In contrast to previous analyses, its far-infrared spectrum is interpreted as the result of a massive frigid cloud overlying a more-or-less normal infrared source, a natural explanation for the object's previously-noted pecularities. The characteristics derived for the obscuring cloud are similar to those found for the W51 MAIN object. Both sources have high sub-millimeter surface brightness, a high ratio of sub-millimeter to far-infrared flux, and numerous regions of molecular maser emission.

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