Period study of AW UMa

Details Period study of AW UMa Period study of AW UMa

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.154..179s&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 154, no. 2, April 1989, p. 179-187.

Statistics

Computation

8

Celestial Mechanics, Eclipsing Binary Stars, Stellar Orbits, Variable Stars, Computational Astrophysics, Least Squares Method, Periodic Variations

Scientific paper

A detailed period study of the eclipsing binary system AW UMa was carried out using literature data on the binary's minima. Results revealed presence of a new period (P = 0.4387317 d) and period changes of the order of 10 to the -7th to 10 to the -6th. Three linear trends of period changes were apparent, two of which are definitive, and the third indicates a new period change. Results did not show more dispersion of the O-C values of secondary minima than of the primary ones.

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