Carbon monoxide in supernova 1987A

Details Carbon monoxide in supernova 1987A Carbon monoxide in supernova 1987A

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.290..381s&link_type=abstract

In ESA, Infrared Spectroscopy in Astronomy p 381-384 (SEE N90-19084 11-89)

Astronomy and Astrophysics

Astronomy

2

Carbon Monoxide, Infrared Spectra, Stellar Evolution, Stellar Models, Supernova 1987A, Boltzmann Distribution, Emission Spectra, Infrared Astronomy, Infrared Spectroscopy, Line Spectra, Mass Distribution, Stellar Mass Ejection

Scientific paper

A model to interpret the supernova 1987A infrared spectra is proposed. Many observations allowed the identification of CO in the supernova spectra. The report considers that the CO forms part of the supernova ejecta and an analysis of the first overtone band using Blotzmann population statistics is presented. The model reproduces well the spectra obtained on days 192 and 255 and implies the presence of about 0.00005 of the solar mass of CO by day 255. By day 284 the fit is less good, due to increasingly prominent emission from other species, possibly in combination with the breakdown of the Blotzmann distribution.

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