Discussion on candidates for the M stars with 11.2 μm SiC feature

Details Discussion on candidates for the M stars with 11.2 μm SiC feature Discussion on candidates for the M stars with 11.2 μm SiC feature

Jan 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004newa....9...17c&link_type=abstract

New Astronomy, Volume 9, Issue 1, p. 17-26.

Astronomy and Astrophysics

Astronomy

1

Stars: Late-Type, Stars: Chemically Peculiar, Infrared: Stars

Scientific paper

The oxygen-rich stars with SiC emission features are unexpected according to the evolutionary theory in the late stage of stellar evolution. After the careful re-examination of such samples reported previously and searching for new samples, seven stars are found to be the candidates of the M stars with 11.2 μm SiC emission feature. However, with the IRAS low-resolution spectrum, the IRAS two colour diagram and other information, it is seen that no strong candidates for oxygen-rich AGB stars with carbon-rich circumstellar dust could be found so far.

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