Analyses of new light curve of AW Ursae Majoris

Details Analyses of new light curve of AW Ursae Majoris Analyses of new light curve of AW Ursae Majoris

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980aj.....85...50w&link_type=abstract

Astronomical Journal, vol. 85, Jan. 1980, p. 50-54.

Astronomy and Astrophysics

Astronomy

18

Eclipsing Binary Stars, Light Curve, Mass Ratios, Stellar Mass, Electrophotometry, Gravitational Effects, Orbital Mechanics, Stellar Motions

Scientific paper

New 4-bandpass light curves of the low-mass ratio, over-contact binary AW UMa have been observed and are described. A few times of minimum light and a significant recent period change are reported. Only small variations of the color indices are seen, but these are so situated in phase as to convey the idea of systemic complications rather than gravity-darkening effects. Small asymmetries of the light curves were removed and the symmetricized light curves were analyzed for the binary parameters. It is emphasized that agreement between the present and historical light curve solutions is not as good as it had been anticipated and that this is probably to be attributed to intrinsic variability of the system.

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