CO emission from supernova remnants

Details CO emission from supernova remnants CO emission from supernova remnants

Aug 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...216..320s&link_type=abstract

Astrophysical Journal, Part 1, vol. 216, Aug. 15, 1977, p. 320, 321, 323 (4 ff.)

Astronomy and Astrophysics

Astrophysics

75

Carbon Monoxide, Emission Spectra, Interstellar Gas, Molecular Gases, Spectral Emission, Supernova Remnants, Brightness Temperature, Gas Density, Line Spectra, Molecular Spectra, Nebulae, Radio Spectra

Scientific paper

In a search for molecular gas associated with supernova remnants, the CO line has been observed in three optical remnants: the Cygnus Loop, IC 443, and Cas A. In both the Cygnus Loop and IC 443, CO molecules are detected from dense clouds of the order of 100 solar masses, probably located at the edge of the expanding remnants. These are locations of particularly bright optical filaments and strong radio continuum emission. The foreground emission seen in Cas A exhibits changes on a small scale compared with the radio continuum, implying a low filling factor for molecular absorption lines in Cas A.

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