Disk pulsations in Hercules X-1

Details Disk pulsations in Hercules X-1 Disk pulsations in Hercules X-1

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...326..194k&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 326, March 1, 1988, p. 194, 195.

Astronomy and Astrophysics

Astrophysics

4

Accretion Disks, Stellar Mass Accretion, Stellar Oscillations, X Ray Binaries, Angular Momentum, Companion Stars, Mass Transfer, Stellar Models

Scientific paper

Accretion disk pulsations are considered as a possible explanation of the 108-minute period of Hercules X-1 reported by Vrtilek and Halpern (1985). In naive disk precession models there is a unique relation among the pulsational, orbital, and precessional periods. This relation predicts a pulsational period about 50 percent longer than that observed; some explanations are offered.

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