Mass-losing red giants in open clusters

Details Mass-losing red giants in open clusters Mass-losing red giants in open clusters

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...313..743j&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 313, Feb. 15, 1987, p. 743-749. NASA-NSF-supported research.

Astronomy and Astrophysics

Astronomy

95

Open Clusters, Red Giant Stars, Stellar Evolution, Stellar Mass Ejection, Astronomical Catalogs, Infrared Astronomy, Mass Flow Rate, Spaceborne Astronomy, Stellar Models

Scientific paper

The author has searched for mass-losing stars in open clusters with main-sequence turn-offs at intermediate mass by using the IRAS data base. The absence of many strong 60 μm sources in open clusters implies that intermediate-mass stars lose much of their mass during an intense wind phase of rather short duration. For stars of masses ≡7 M_sun;, this phase, if it exists at all, lasts for not much more than 105yr. For stars of ≡4 M_sun;, the intense wind phase appears to last considerably less than 107yr; it may well last for less than 106yr.

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