CA II H and K and hydrogen-line variations in V471 Tauri /= BD + 16 deg 516/

Details CA II H and K and hydrogen-line variations in V471 Tauri /= BD + 16 deg 516/ CA II H and K and hydrogen-line variations in V471 Tauri /= BD + 16 deg 516/

Apr 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979pasp...91..222o&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 91, Apr.-May 1979, p. 222-229.

Astronomy and Astrophysics

Astronomy

14

Calcium, H Alpha Line, K Lines, Light Curve, Stellar Spectrophotometry, White Dwarf Stars, Eclipsing Binary Stars, Electrophotometry, Emission Spectra

Scientific paper

Spectroscopic and narrow-band photoelectric observations of the white dwarf eclipsing binary V471 Tau (= BD + 16 deg 516) are reported. Periodic fluctuations in Ca II H and K emission and H-alpha absorption, and a wave-like distortion of the light curve mimic the characteristics of several well-observed RS CVn binaries. A probable correlation between maximum emission-line strength and wave minimum is shown to exist.

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