Seasonal light curves of TY UMa - Observations and solutions

Details Seasonal light curves of TY UMa - Observations and solutions Seasonal light curves of TY UMa - Observations and solutions

Jan 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26as...51...97b&link_type=abstract

Astronomy and Astrophysics Supplement Series, vol. 51, Jan. 1983, p. 97-109.

Astronomy and Astrophysics

Astrophysics

7

Astronomical Photometry, Eclipsing Binary Stars, Light Curve, Periodic Variations, Computer Techniques, Long Term Effects, Tables (Data)

Scientific paper

Small seasonal changes are noted in the two sets of B and V observations obtained in 1967 and 1981 for the W UMa-type binary system TY UMa, and its period is also found to vary. The Wilson (1977) computer programs are used to derive the solutions of seasonal light curves, and the photometric disturbances are analyzed. By means of a least squares fitting of a parabola to the observations at approximately the bottom of the minima, eleven epochs are computed.

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