Photometric effects of accretion disks in long-period eclipsing binaries

Details Photometric effects of accretion disks in long-period eclipsing binaries Photometric effects of accretion disks in long-period eclipsing binaries

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ssrv...50...23o&link_type=abstract

(IAU, NSERC, Canadian Institute of Theoretical Astrophysics, et al., Colloquium on Algols, 107th, Sidney, Canada, Aug. 15-19, 19

Astronomy and Astrophysics

Astrophysics

4

Accretion Disks, Eclipsing Binary Stars, Optical Thickness, Stellar Spectrophotometry, Cool Stars, Light Curve

Scientific paper

Photometric observations are used to study the properties of accretion disks in the long-period systems KU Cyg and RZ Oph. Emission and transmission properties for the systems are obtained from light curve features produced by partial eclipses of the disk by the cool star and by partial occulation of the cool star by the disks. It is found that these two systems do not have classical alpha structure and are optically thin normal to the orbital plane. It is shown that these systems may be geometrically thicker than purely gravitationally-stratified disks.

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