Mass loss from giant and supergiant stars

Details Mass loss from giant and supergiant stars Mass loss from giant and supergiant stars

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...311..335w&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 311, Dec. 1, 1986, p. 335-344. Research supported by the Robert A. Welch Fo

Astronomy and Astrophysics

Astronomy

75

Giant Stars, Stellar Envelopes, Stellar Mass Ejection, Supergiant Stars, Infrared Radiation, M Stars, Mass To Light Ratios

Scientific paper

The 12 m telescope of the National Radio Astronomy Observatory has been used at the J = 2-1 transition of CO to increase the known list of giant and supergiant stars with observable circumstellar envelopes. The candidate objects were generally M-type giants and supergiants, chosen for their strong infrared luminosities. Of the 35 objects which were previously undetected, or only marginally detected, 10 were found to produce detectable CO emission. Physical parameters of the envelopes are derived by source modeling. Mass-loss rates vary from 10 to the -7th to 4 x 10 to the -5th solar mass/yr.

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