Winds in Red Giants

  • D. Reimers
Part of the Astrophysics and Space Science Library book series (ASSL, volume 88)

Abstract

Expanding, cool envelopes around red giants were detected many years ago when Adams and McCormack (1935) discovered that on high dispersion spectra of ∝ Ori, ∝1 Her, o Cet and ε Peg the stronger resonance lines showed violet displaced absorption cores which could be explained by an expanding gaseous envelope. Deutsch (1956) then found from circumstellar (CS) absorption lines visible also in the spectrum of the companion of ∝1 Her that the CS matter extends to large distances from the primary where the observed outflow velocity exceeds the local escape velocity.

Keywords

Dust Recombination 

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Copyright information

© D. Reidel Publishing Company 1981

Authors and Affiliations

  • D. Reimers
    • 1
  1. 1.Hamburger SternwarteUniversität HamburgGermany

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