IRAS observations of OH/IR stars

Details IRAS observations of OH/IR stars IRAS observations of OH/IR stars

Mar 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...278l..41o&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 278, March 1, 1984, p. L41-L43.

Astronomy and Astrophysics

Astronomy

132

Hydroxyl Emission, Infrared Stars, Late Stars, Spaceborne Astronomy, Asymptotic Giant Branch Stars, Infrared Astronomy Satellite, Interstellar Masers, Stellar Color, Stellar Spectra

Scientific paper

Preliminary results of IRAS survey observations of a sample of 40 very evolved stars, all detected originally as OH maser emission sources, are presented. In several cases, the spectrum is very much redder than for those sources identified from the ground. Color-color plots show that there is a continuous sequence from classical Mira variables to the reddest OH/IR stars. However, the reddest stars differ somewhat: they pulsate only weakly or not at all. Probably, they have reached the end of their evolution on the asymptotic giant branch.

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