Abstract
Two active close binaries, SS433 and Her X-1 are known to contain precessing beams and disks. The disk-driven precession model (Sarazin, Begelman & Hatchett 1980) has been proposed for SS433 which is simultaneously compatible with a 13-day orbital period and a 164-day beam precession period. In this model, a stationary massive outer disk around the compact object causes the compact object’s spin axis (plus the inner portion of the disk) to precess due to the Lense-Thirring effect. Accreting matter leaving the inner disk is assumed to be collimated and ejected out along the compact object’s axis.
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References
Hutchings, J. B., Price, R. & Gower, A. C.: 1988, Astrophys. J., 329, 122.
Linfield, R.: 1981, Astrophys. J., 250, 464.
Sarazin, C. L., Begelman, M. C. & Hatchett, S. P.: 1980, Astrophys. J. (Lett) 238, L129.
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© 1990 Kluwer Academic Publishers
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Lu, J.F. (1990). Disk-Driven Precession in Active Close Binaries and in Active Galactic Nuclei. In: Ä°banoÄŸlu, C. (eds) Active Close Binaries. NATO ASI Series, vol 319. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-0679-2_19
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DOI: https://doi.org/10.1007/978-94-009-0679-2_19
Publisher Name: Springer, Dordrecht
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