X-ray line emission from the Cygnus Loop

Details X-ray line emission from the Cygnus Loop X-ray line emission from the Cygnus Loop

Nov 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...242l..19k&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 242, Nov. 15, 1980, p. L19-L22.

Astronomy and Astrophysics

Astronomy

24

Line Spectra, Nebulae, Satellite Observation, Supernova Remnants, X Ray Sources, X Ray Spectra, Astronomical Models, Cosmic Plasma, Curve Fitting, Cygnus Constellation, Heao 1, Plasma Radiation, Spaceborne Astronomy

Scientific paper

The HEAO 1 satellite has observed the X-ray spectrum of the Cygnus Loop in the 0.1-2.0 keV band. The observed count-rate spectrum is deconvolved by the Kahn and Blissett technique to demonstrate conclusively the presence of oxygen- and iron-line emission between 0.6 and 0.9 keV. The spectrum has been fitted with single- and two-component Raymond-Smith plasma emission models. The best-fit dominant X-ray temperature is approximately 3,200,000 K, and the best-fit interstellar column density is approximately a few times 10 to the 20th/sq cm.

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