X-ray evidence for the supernova origin of the North Polar spur

Details X-ray evidence for the supernova origin of the North Polar spur X-ray evidence for the supernova origin of the North Polar spur

Aug 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...207..888c&link_type=abstract

Astrophysical Journal, vol. 207, Aug. 1, 1976, pt. 1, p. 888-893. NASA-supported research.

Computer Science

Sound

27

Nebulae, Radio Sources (Astronomy), Supernova Remnants, X Ray Sources, Brightness Temperature, Histograms, Rocket Sounding, Shock Heating

Scientific paper

Soft X-ray observations during four scans across the North Polar radio continuum spur have provided additional evidence that the spur encircles an old supernova remnant. From the measured intensity of the X-ray emission, and the known diameter of the remnant, it is estimated that its age is several hundred thousand years and that the supernova was of Type II, with an energy between 10 to the 51st and 10 to the 53rd ergs.

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