The X-ray structure of the Crab Nebula

Details The X-ray structure of the Crab Nebula The X-ray structure of the Crab Nebula

Nov 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984xras.rept....1b&link_type=abstract

In its Contrib. of the X-Ray Astron. Group p 1-4 (SEE N85-20947 11-89)

Astronomy and Astrophysics

Astronomy

Crab Nebula, Pulsars, Stellar Structure, X Ray Sources, Astronomical Models, Exosat Satellite, Heao 2, Synchrotron Radiation

Scientific paper

Einstein telescope and EXOSAT data were used to assess a model of the interaction of the Crab Nebula and X-ray energy centered on a pulsar. The half power radius of the EXOSAT picture of 40 is larger than that of EINSTEIN 34 due to the different energy bands. The model predicts a ratio for these radii of 1.112, in good agreement with the measured value. The EXOSAT-LE2 light curve (obtained from 1/4 of the whole data) was derived and the pulse fluxes were determined. Whereas in the EINSTEIN picture the pulsed flux makes up 3.9 + or - 0.2 % of the total nebular flux, the ratio in the EXOSAT data is 2.8 %, consistent with the extrapolation of the known pulse ratios.

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