Infrared circumstellar shells - Origins, and clues to the evolution of massive stars

Details Infrared circumstellar shells - Origins, and clues to the evolution of massive stars Infrared circumstellar shells - Origins, and clues to the evolution of massive stars

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....97.1120s&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 97, April 1989, p. 1120-1138.

Astronomy and Astrophysics

Astronomy

32

Giant Stars, Infrared Sources (Astronomy), Stellar Envelopes, Stellar Evolution, Infrared Astronomy Satellite, Interstellar Matter, Spatial Resolution, Stellar Composition, Supergiant Stars

Scientific paper

The infrared fluxes, spatial and spectral characteristics for a sample of 111 supergiant stars of spectral types F0 through M5 are tabulated, and correlations examined with respect to the nature of their circumstellar envelopes. One-fourth of these objects were spatialy resolved by IRAS at 60 microns and possess extended circumstellar shell material, with implied expansion ages of about 10 to the 5th yr. Inferences about the production of dust, mass loss, and the relation of these characteristics of the evolution of massive stars, are discussed.

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