Period variation and the new light curves of V471 Tauri

Details Period variation and the new light curves of V471 Tauri Period variation and the new light curves of V471 Tauri

Aug 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979ap%26ss..64..421t&link_type=abstract

Astrophysics and Space Science, vol. 64, no. 2, Aug. 1979, p. 421-425.

Astronomy and Astrophysics

Astrophysics

18

Eclipsing Binary Stars, Light Curve, Taurus Constellation, Variable Stars, Mass Transfer, Observation, Periodic Variations, Stellar Mass, Stellar Motions, Stellar Occultation

Scientific paper

The light curve and period variation of the eclipsing system V471 Tau is discussed. The migration period of 191 days obtained recently by Ibano~1u agrees well with the new observations. The period decreases by about one second per century, which may correspond to a mass transfer of 1 x 1O-~ solar mass. Furthermore, the 0-C diagram shows a noticeable sine curve super- imposed on the parabolic variation. The period of the sine curve is about 3.1 years

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