Soft X-ray spectrum and structure of the supernova remnant G65.2+5.7

Details Soft X-ray spectrum and structure of the supernova remnant G65.2+5.7 Soft X-ray spectrum and structure of the supernova remnant G65.2+5.7

Jun 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...230l.163m&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 230, June 15, 1979, p. L163-L167. NASA-supported research.

Astronomy and Astrophysics

Astronomy

13

Nebulae, Satellite Observation, Spaceborne Astronomy, Supernova Remnants, X Ray Spectra, Heao, Propagation Velocity, Shock Wave Propagation, X Ray Sources

Scientific paper

The HEAO 1 low energy detectors have observed the supernova remnant G65.2+5.7 in the energy range 0.2-2.5 keV. A strong, extended source of X-ray emission is observed coincident with the eastern side of the optical filamentary structure. The characteristic temperature of the emission is in the range 2-3.8 x 10 to the 6th K, and evidence is found for line emission at about 0.8 keV in the X-ray spectrum. These observations imply a shock velocity (425 km/s) and age (about 20,000 yr) that markedly disagree with the estimates from optical and radio observations.

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