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UBV-Photometry and 35–day Cycle Model for X-ray Binary HZ Her/Her X–l

Published online by Cambridge University Press:  12 April 2016

N. I. Shakura
Affiliation:
Sternberg Astronomical Inst., Universitetskij pr., 13, 119899 Moscow, Russia
A. V. Smirnov
Affiliation:
Sternberg Astronomical Inst., Universitetskij pr., 13, 119899 Moscow, Russia
N. A. Ketsaris
Affiliation:
Sternberg Astronomical Inst., Universitetskij pr., 13, 119899 Moscow, Russia

Abstract

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Based on the detailed analysis of UBV–photometry of HZ Her obtained in 1972–1994, a model of 35–day cycle is proposed in which both forced precession of a tilted accretion disk and free precession of the neutron star are present.

Type
Part 8. X-Ray Binaries, Transients and Super-Soft Sources
Copyright
Copyright © Astronomical Society of the Pacific 1997

References

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