A precessing ring model for SS433

Details A precessing ring model for SS433 A precessing ring model for SS433

Aug 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979natur.280..473a&link_type=abstract

Nature, vol. 280, Aug. 9, 1979, p. 473, 474.

Astronomy and Astrophysics

Astronomy

5

Black Holes (Astronomy), Precession, Ring Structures, Stellar Models, Periodic Variations, Roche Limit, Stellar Radiation, Ultraviolet Radiation

Scientific paper

A precessing ring model for SS433 showing a periodic variability at a period of 160 + or - 5 d is examined and it is suggested that such periodicity arises if the lines are emitted from a precessing ring of matter orbiting around a massive black hole. A possible origin for the unshifted lines in the spectrum of SS433 which exhibit a variability over a time scale of a day, self absorption and width of approximately less than 100 km/s is suggested.

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