A non-thermal X-ray spectrum from the supernova remnant W 50

Details A non-thermal X-ray spectrum from the supernova remnant W 50 A non-thermal X-ray spectrum from the supernova remnant W 50

Jun 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994pasj...46l.109y&link_type=abstract

PASJ: Publications of the Astronomical Society of Japan, vol. 46, no. 3, p. L109-L113

Astronomy and Astrophysics

Astronomy

22

Stellar Luminosity, Supernova Remnants, X Ray Sources, X Ray Spectra, Absorption, X Ray Imagery

Scientific paper

Hard X-ray properties of the supernova remnant W 50 are presented. The extended lobe structure is confirmed in the 0.7-10 keV energy band. The surface brightness in the 0.7-4 keV band has a clear peak at the region far from SS 433, similar to that obtained by the Einstein Observatory. The shape in the high energy band (4-10 keV) is roughly consistent with that in the low energy band (0.7-4 keV), but shows a flat top structure. The X-ray spectrum from the extended structure shows a non-thermal spectrum without apparent emission lines. The spectrum becomes harder as the distance from SS 433 decreases. We discuss the origin of the X-rays in terms of synchrotron emission.

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