Velocity structure in the Canis Major R1 molecular clouds

Details Velocity structure in the Canis Major R1 molecular clouds Velocity structure in the Canis Major R1 molecular clouds

Nov 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...242..121m&link_type=abstract

Astrophysical Journal, Part 1, vol. 242, Nov. 15, 1980, p. 121-131. Research supported by the Research Corp., Fordham Universit

Astronomy and Astrophysics

Astrophysics

16

Astronomical Maps, Carbon Monoxide, Molecular Clouds, Stellar Evolution, Emission Spectra, Molecular Spectra, Supernovae, Velocity Distribution

Scientific paper

CO emission has been mapped over a 5 x 5 deg area in the Canis Major OB1/R1 region; most of the emission is confined to an elliptical region of approximately 90 x 60 pc. While most of the emission falls in the LSR velocity range 10-20 km/s, some material is found over the full velocity range covered (-30 to +45 km/s). There is no simple pattern that would indicate a single expanding shell, but the observations are consistent with the idea that some energetic process, which occurred in an initially inhomogeneous cloudy medium, was responsible for the observed morphology of the region. Simple arguments suggest that a supernova explosion is the most likely candidate for the energetic process.

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