Preliminary results from the spectra of V471 Tauri

Details Preliminary results from the spectra of V471 Tauri Preliminary results from the spectra of V471 Tauri

Dec 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981ap%26ss..80..517h&link_type=abstract

Astrophysics and Space Science, vol. 80, no. 2, Dec. 1981, p. 517-520. Research supported by the National Scientific and Techni

Astronomy and Astrophysics

Astrophysics

Eclipsing Binary Stars, Infrared Spectra, Spectral Line Width, Stellar Spectra, Variable Stars, White Dwarf Stars, Calcium, H Lines, K Lines, Radial Velocity

Scientific paper

The RS CVn-type eclipsing variable which possesses a white-dwarf component is reported. The H and K absorption lines of Ca II are found to be strongly pressure-broadened, while exhibiting two double-reversal emission components. The radial velocities derived from the central strong emission components are in agreement with the mean radial velocity curve obtained from the metallic absorption lines of the existing elements, which indicates that the Ca II emission and the absorptions are produced within the same component of the star.

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