Evidence for X-ray emission from Kepler's supernova remnant

Details Evidence for X-ray emission from Kepler's supernova remnant Evidence for X-ray emission from Kepler's supernova remnant

May 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979natur.279..139t&link_type=abstract

Nature, vol. 279, May 10, 1979, p. 139, 140.

Physics

9

Galactic Nuclei, Supernova Remnants, X Ray Sources, Detection, Error Analysis, Heao 1, Luminosity, X Ray Spectra

Scientific paper

Evidence for weak soft X-ray emission from the remnant of Kepler's supernova has been acquired by the low energy detectors of the A 2 experiment on HEAO 1. A soft X-ray source has been detected using a narrow field of view sensitive to X rays between 0.2 and 3 keV and is found to be the only constant X-ray source within the error box containing Kepler's supernova remnant. The intensity of the X-ray source is calculated to be about 6.3 x 10 to the -2 counts/sq cm sec, with an intrinsic X-ray luminosity in the energy range 0.3 to 3 keV of about 28 x 10 to the 35 erg/sec if, as is widely believed, the remnant is at a distance of 4 kpc. Observations from HEAO 2 will allow the detection to be confirmed, the source to be imaged and its spectrum to be determined.

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