Surface distribution of M stars with different IRAS colour

Details Surface distribution of M stars with different IRAS colour Surface distribution of M stars with different IRAS colour

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.148..239i&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 148, no. 2, Oct. 1988, p. 239-247. Research sponsored by the Japan Society

Astronomy and Astrophysics

Astronomy

3

Infrared Astronomy Satellite, M Stars, Star Distribution, Stellar Color, Stellar Envelopes, Astronomical Catalogs, Radiant Flux Density, Spatial Distribution, Stellar Luminosity

Scientific paper

The surface distribution of M stars is studied by differentiating them according to whether they show a circumstellar dust shell (CS) or not. Analysis shows that galactic latitudinal and longitudinal distributions are not determined by spectral subclasses alone. The study also indicates that M-type stars with CS have higher luminosities in the K band than those without CS. The M stars used in the study are obtained from the Two-Micron Sky-Survey Catalogue. The CS feature is identified by the ratio of flux densities at 12 and 25 μm in the IRAS point source catalog.

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