Mass loss from the K dwarf in V471 Tauri

Details Mass loss from the K dwarf in V471 Tauri Mass loss from the K dwarf in V471 Tauri

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988esasp.281a.423m&link_type=abstract

In ESA, A Decade of UV Astronomy with the IUE Satellite, Volume 1 p 423-424 (SEE N89-10682 01-89)

Astronomy and Astrophysics

Astronomy

Dwarf Stars, Iue, Spaceborne Astronomy, Stellar Mass Ejection, Ultraviolet Astronomy, Stellar Spectra, Ultraviolet Absorption

Scientific paper

Spectra of Mg II h and k were obtained for V471 Tau at phases zero (K dwarf in front) and 0.5 (white dwarf in front). At phase zero, strong blueshifted absorption is present, suggestive of a wind from the K dwarf with terminal velocity 600 to 400 km/sec and mass loss rate at least 3 orders of magnitude greater than solar. Discrete blue-shifted absorption features occur at velocities of 200 and 500 km/sec. At phase 0.5, the blueshifted absorption is much weaker, although still detectable.

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