Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986azh....63..946k&link_type=abstract
Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 63, Sept.-Oct. 1986, p. 946-950. In Russian.
Astronomy and Astrophysics
Astronomy
1
Crab Nebula, Pulsars, Space Stations, Spaceborne Telescopes, X Ray Sources, Energy Spectra, X Ray Telescopes
Scientific paper
Observational results obtained at the 'Astron' automatic space station during 1983-1984 which pertain to X-ray emission from Tau X-1 are presented. The emission spectrum is described by a power law with a photon spectral index of -2.12 + or - 0.02. The pulsar contribution to the total Tau X-1 flux is 8.4 + or - 0.8 percent in the 2-25 keV range. Measured X-ray period values are presented as well as the first derivative of the period of the pulsar NP 0532.
Burgin M. S.
D'Yachkov A. V.
Golynskaya I. M.
Gurin L. S.
Kopaeva I. F.
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