An X-ray study of two Crablike supernova remnants - 3C 58 and CTB 80

Details An X-ray study of two Crablike supernova remnants - 3C 58 and CTB 80 An X-ray study of two Crablike supernova remnants - 3C 58 and CTB 80

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...255..557b&link_type=abstract

Astrophysical Journal, Part 1, vol. 255, Apr. 15, 1982, p. 557-563.

Astronomy and Astrophysics

Astronomy

110

Crab Nebula, Supernova Remnants, X Ray Astronomy, Neutron Stars

Scientific paper

The instruments on the Einstein Observatory have been used to study the X-ray properties of two Crablike SNRs: 3C 58 and CTB 80. Images of the objects are similar, showing an extended plateau of emission surrounding a pronounced central maximum consistent with the presence of a point source. The X-ray spectrum of 3C 58 is consistent with a power law of spectral index 0.5 + 0.5 or -0.2 modified by absorption in a hydrogen column density NH of (2 + or - 0.5) x 10 to the 21st/sq cm. These data suggest an analogy with the Crab Nebula, where the extended X-ray emission is nonthermal and the pointlike emission emanates from a central neutron star. Quantitative comparisons of the X-ray and radio properties for six Crablike remnants indicate significant differences which may reflect an evolutionary sequence.

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