Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26as...37..493w&link_type=abstract
Astronomy and Astrophysics Supplement Series, vol. 37, Sept. 1979, p. 493-512.
Astronomy and Astrophysics
Astrophysics
9
Eclipsing Binary Stars, Light Curve, Long Term Effects, Periodic Variations, Ubv Spectra, Gas Flow, Photometry, Precession
Scientific paper
The photometric behavior of the bright Algol variable TV Cas is discussed on the basis of UBV photoelectric observations made on more than 200 nights over six successive observational seasons. Mean light curves obtained outside primary eclipse are compared for the different seasons, and an attempt is made to verify numerically the proposed long period of 600 days. So-called related periods are examined, along with photometric effects caused by precession of the bright component's rotational axis. Attempts are also made to explain the brightness excess of TV Cas observed in U during deep parts of the primary eclipse and to interpret observed fluctuations in the light curves.
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