Carbon monoxide in supernova 1995ad

Details Carbon monoxide in supernova 1995ad Carbon monoxide in supernova 1995ad

Dec 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996mnras.283l..89s&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 283, Issue 3, pp. L89-L93.

Astronomy and Astrophysics

Astronomy

22

Line: Formation, Supernova: General, Supernovae: Individual: Sn 1995Ad, Ism: Molecules, Infrared: Ism: Lines And Bands

Scientific paper

Infrared spectroscopy of the type II supernova 1995ad 105d after its discovery has been performed at the Anglo-Australian Telescope. The spectra exhibit strong emission longwards of 2.3 mum, consistent with emission from carbon monoxide from within the ejecta of the supernova. A local thermodynamic equilibrium (LTE) analysis of the spectrum gives 10^-4 M_solar of CO emitting at a temperature of 3000K. The similarity of these observations to those of SN 1987A allow for the possibility that due to non-LTE and optical depth effects the mass of CO present in the ejecta of SN 1995ad may be as high as 5x10^-2M_solar.

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