The accretion picture of CEN X-3 as inferred from one month of continuous X-ray observations

Details The accretion picture of CEN X-3 as inferred from one month of continuous X-ray observations The accretion picture of CEN X-3 as inferred from one month of continuous X-ray observations

Mar 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26a....73...90b&link_type=abstract

Astronomy and Astrophysics, vol. 73, no. 1-2, Mar. 1979, p. 90-96.

Astronomy and Astrophysics

Astrophysics

23

Binary Stars, Stellar Luminosity, Stellar Mass Accretion, Stellar Winds, X Ray Sources, Cos-B Satellite, Light Curve, Mass Transfer, Satellite-Borne Instruments, Stellar Spectra

Scientific paper

COS-B X-ray observations of Cen X-3 in December 1975 include a turn-on of the source and a high state extending over the rest of the observation period, during which a clear transition in intensity occurs. These data are used to show that the accretion picture of Cen X-3 is reconcilable with a stellar wind only by taking the most extreme assumptions on the mass loss of the primary and the velocity of the wind. It is argued that the observed high X-ray luminosity, together with the intensity behavior of the source, demonstrates the presence of an accretion disk, for which a radial flow time of about 15 days is derived.

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