Infrared observations of late type stars

Details Infrared observations of late type stars Infrared observations of late type stars

Jul 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977ivsw.conf..446m&link_type=abstract

The Interaction of Variable Stars with their Environment, Proceedings of IAU Colloq. 42, held in Bamberg, September 6-9, 1977, B

Astronomy and Astrophysics

Astronomy

14

Infrared Spectrophotometers, Late Stars, Stellar Envelopes, Astronomical Photometry, Atmospheric Chemistry, Spectral Resolution, Stellar Mass

Scientific paper

Substantive mass loss resulting in appreciable circumstellar dust envelopes is common in late-type stars. The evolutionary history and physical state of a cool star determine the chemistry within the outer stellar atmosphere mirrored by the molecular and particulate material present in the envelope. The observational consequences of this debris determined by moderate spectral resolution infrared spectrophotometry are reviewed. Significant information is provided by observations of the emergent energy flux of both the cool stellar photosphere and of the circumstellar dust envelope. The observation suggests that mass-loss occurs to some degree throughout late stellar evolutionary phases and that occasional periods of high mass loss are not uncommon.

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