Carbon monoxide in SN 1987A

Details Carbon monoxide in SN 1987A Carbon monoxide in SN 1987A

Sep 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...396..679l&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 396, no. 2, Sept. 10, 1992, p. 679-685.

Astronomy and Astrophysics

Astrophysics

44

Carbon Monoxide, Infrared Spectra, Optical Thickness, Stellar Models, Supernova 1987A, Black Body Radiation, Interstellar Chemistry, Nonequilibrium Thermodynamics, Supernova Remnants, Vibrational Spectra, X Rays

Scientific paper

It is pointed out that the infrared emission of carbon monoxide in SN 1987 A is optically thick at early times and that the level populations fall out of thermal equilibrium at later times. A reinterpretation of the data yields masses of CO of order 0.001 solar mass. A chemical scheme is advanced with which these high masses can be reproduced provided that the ejecta contain clumps of microscopically unmixed gas, occupying at least 10 percent of the volume.

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