Carbon monoxide observations of IRC 10442

Details Carbon monoxide observations of IRC 10442 Carbon monoxide observations of IRC 10442

Sep 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980aj.....85.1242b&link_type=abstract

Astronomical Journal, vol. 85, Sept. 1980, p. 1242-1246.

Astronomy and Astrophysics

Astronomy

Carbon Monoxide, Infrared Astronomy, Molecular Gases, Radio Sources (Astronomy), B Stars, Galactic Rotation, H Ii Regions, Late Stars, Near Infrared Radiation, Nonthermal Radiation, O Stars

Scientific paper

Three molecular clouds have been detected in the direction of IRC 10442 (GL 5268-S). The feature at V(LSR) = 57 km/s may be a typical giant molecular cloud associated with the giant H II region G25.4-0.2, located at a distance of 13.5 kpc. It is difficult to associate the infrared source with any particular CO feature seen in this direction owing to the absence of an obvious hot spot at the IR position. The IR source may represent a current episode of star formation in a cloud on the far side of the galaxy, but the region exhibits several peculiarities, such as the presence of a nonthermal radio source near the position of the IR cluster and the absence of maser emission or a thermal continuum. Two alternative explanations for the IR source are discussed: it may be an unrelated foreground late-type giant star or a young supernova remnant buried deep within a molecular cloud.

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