Stars in the bulge of our Galaxy detected by IRAS

Details Stars in the bulge of our Galaxy detected by IRAS Stars in the bulge of our Galaxy detected by IRAS

Nov 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...152l...1h&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 152, no. 1, Nov. 1985, p. L1-L4.

Astronomy and Astrophysics

Astronomy

71

Galactic Bulge, Galactic Structure, Infrared Astronomy Satellite, Infrared Stars, Milky Way Galaxy, Star Distribution, Histograms, M Stars, Radiant Flux Density, Sky Surveys (Astronomy), Stellar Color

Scientific paper

A clear bulge is seen near the center of the Galaxy in the distribution of point like sources discovered in the IRAS all sky survey at 12 and 25 microns. The IRAS bulge has a characteristic radius of 5 deg and contains more than 2500 stars with flux densities greater than 1 Jy at 12 microns. The sources have typical IR luminosities of about 2,600 solar luminosities and 12-25 microns color temperatures between 250 and 450 K, indicating they are dust embedded stars. Their colors are consistent with the sources being evolved late type M stars near the tip of the red giant branch.

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