Orbital variability and the white dwarf spectrum of BD + 16 516 /V471 Tau/

Details Orbital variability and the white dwarf spectrum of BD + 16 516 /V471 Tau/ Orbital variability and the white dwarf spectrum of BD + 16 516 /V471 Tau/

Feb 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.202..587g&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 202, Feb. 1983, p. 587-594.

Astronomy and Astrophysics

Astronomy

12

Eclipsing Binary Stars, Stellar Motions, Stellar Spectra, Visible Spectrum, White Dwarf Stars, Circular Orbits, H Alpha Line, K Lines, K Stars, Radial Velocity, Stellar Temperature, Variability

Scientific paper

Observations in the blue and red regions of the spectrum of the binary system V471 Tau show that the chromospheric activity of the K2V secondary star is phase dependent. H-alpha has been detected clearly in emission and is also phase dependent. The spectrum of the white dwarf primary is isolated, and the photometric temperature T approximately 35,000 K is confirmed. A radial velocity curve of the K star is given, and it is shown that the orbit is circular.

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