On the orbital periods of the eclipsing binaries CM Lacertae, AB Andromedae and YY Eridani

Details On the orbital periods of the eclipsing binaries CM Lacertae, AB Andromedae and YY Eridani On the orbital periods of the eclipsing binaries CM Lacertae, AB Andromedae and YY Eridani

Sep 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981basi....9..243p&link_type=abstract

Astronomical Society of India, Bulletin, vol. 9, 1981, p. 243-248.

Astronomy and Astrophysics

Astronomy

1

Eclipsing Binary Stars, Orbital Elements, Stellar Motions, Electrophotometry, Light Curve

Scientific paper

Tables of published photoelectric-minima times and O-C diagrams are presented for the close eclipsing binary stars CM Lac, AB And, and YY Eri. No anomalies are detected in their orbital periods, at least during the 26, 23, and 20 years of the respective observations, when nonelectrically observed minima are excluded. Further observations at regular intervals are recommended to exclude the possibility of very long-term variations.

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