The soft X-ray spectrum of the VELA supernova remnant

Details The soft X-ray spectrum of the VELA supernova remnant The soft X-ray spectrum of the VELA supernova remnant

Jun 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...269..212k&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 269, June 1, 1983, p. 212-217.

Astronomy and Astrophysics

Astrophysics

10

Astronomical Spectroscopy, Supernova Remnants, X Ray Sources, Abundance, Heao 1, Iron, Oxygen Ions, X Ray Spectra

Scientific paper

An X-ray spectrum of a major fraction of the Vela supernova remnant has been obtained during scanning observations with the low energy proportional counters of the A-2 experiment, flown on HEAO 1. A deconvolution analysis of the data shows that the spectrum exhibits pronounced line emission near 0.6 keV due primarily to oxygen ions. Model fits using the Raymond-Smith hot plasma emission calculations indicate that the spectrum can be well described by a model involving two collisional equilibrium components with temperatures of 2.4 x 10 to the 6th and 1.9 x 10 to the 7th K, respectively. The abundances of oxygen and iron are found to be constrained to lie near their normal cosmic values.

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