An EXOSAT observation of CTB 80

Details An EXOSAT observation of CTB 80 An EXOSAT observation of CTB 80

Jul 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...330l..43a&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 330, July 1, 1988, p. L43-L46.

Astronomy and Astrophysics

Astronomy

8

Exosat Satellite, Pulsars, Supernova Remnants, X Ray Spectra, Line Of Sight, Neutron Stars, Radio Sources (Astronomy), Spatial Resolution

Scientific paper

The results of an EXOSAT observation of the Crab-like supernova remnant CTB 80 are presented. The 0.05-6 keV X-ray spectrum is well fitted by a power law with an energy index of 0.9, similar to that of other Crab-like remnants. This spectral measurement differs from an earlier result from an Einstein observation where a much steeper index was reported. This discrepancy results from the fact that the Einstein result is sensitive to the assumed line-of-sight absorption, whereas the EXOSAT result is not. A search for an X-ray counterpart to the 39.5 ms radio pulsations is reported; however, the X-ray source is too faint to usefully constrain the pulse amplitude.

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