Molecular clouds in Orion and Monoceros

Details Molecular clouds in Orion and Monoceros Molecular clouds in Orion and Monoceros

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982nyasa.395....9t&link_type=abstract

(NASA, National Science Foundation, New York Academy of Sciences, et al., Symposium on the Orion Nebula to Honor Henry Draper, N

Astronomy and Astrophysics

Astronomy

14

Astronomical Maps, Carbon Monoxide, Molecular Clouds, Orion Nebula, Stellar Evolution, B Stars, Early Stars, Hydrogen Clouds, Interstellar Matter, O Stars

Scientific paper

Attention is given to a fairly homogeneous and nearly complete inventory of the molecular clouds in Orion and Monoceros, to a peak CO intensity of 0.5 K and a velocity resolution of 0.6 km/sec, from which a contour map of velocity-intergrated CO intensity is derived and presented with a schematic key. It is noted that, with the exception of Mon R2, the main areas of star formation in this survey lie on the forward surface of a large blunt cone or wedge of molecular clouds pointing towards the center of Barnard's Loop and the older subassociations of OB stars in Orion. This is a region which the present negative CO results, 21-cm observations, and galaxy counts, despite the currently low density, show to have once contained the dense molecular gas from which older OB stars formed.

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