Evidence for a cool wind from the K2 dwarf in the detached binary V471 Tauri

Details Evidence for a cool wind from the K2 dwarf in the detached binary V471 Tauri Evidence for a cool wind from the K2 dwarf in the detached binary V471 Tauri

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...339l..33m&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 339, April 1, 1989, p. L33-L36.

Astronomy and Astrophysics

Astrophysics

48

Dwarf Stars, Eclipsing Binary Stars, Stellar Mass Ejection, Stellar Winds, Absorption Spectra, Chromium, Iron, Magnesium, Manganese

Scientific paper

Evidence for mass loss from the K2 dwarf in V471 Tauri is found in the form of discrete absorption features in lines of various elements (Mg, Fe, Cr, Mn) and ionization stages (Mg I, Mg II, Fe I, Fe II). Resonant Mg II absorption indicates a mass loss rate of at least 10 to the -11th solar masses per year. The wind appears to be cool (no more than a few times 10,000 K).

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