Interpretation of the oxygen 7 soft X-ray spectrum from the Puppis-A supernova remnant

Details Interpretation of the oxygen 7 soft X-ray spectrum from the Puppis-A supernova remnant Interpretation of the oxygen 7 soft X-ray spectrum from the Puppis-A supernova remnant

Sep 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985esasp.239..137g&link_type=abstract

In ESA Proceedings of ESA Workshop on a Cosmic X-Ray Spectroscopy Mission p 137-140 (SEE N86-22461 12-89)

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1

Oxygen Spectra, Supernova Remnants, X Ray Spectra, Autoionization, Electron Plasma, Thermal Plasmas

Scientific paper

The soft X-ray line spectrum from Puppis-A recorded with the Einstein observatory shows line ratios different from those anticipated. Previous interpretations were based upon high temperatures >5×106K and departures from ionization equilibrium. It is shown that an alternative model can fit the observations, in which 1% of fast electrons are present in an otherwise thermal plasma at 1 to 2×106K. This plasma can be in steady-state ionization balance.

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