Stellar radius determination from IRAS 12-micron fluxes

Details Stellar radius determination from IRAS 12-micron fluxes Stellar radius determination from IRAS 12-micron fluxes

Jan 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...172..235p&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 172, no. 1-2, Jan. 1987, p. 235-240.

Astronomy and Astrophysics

Astronomy

4

Astrometry, Infrared Astronomy Satellite, Late Stars, Stellar Atmospheres, Atmospheric Models, Diameters

Scientific paper

Angular diameters and radii of nearby late-type stars are determined by the use of IRAS 12-micron measurements and of the surface flux computed with model atmospheres. Comparison of the results with the empirical determinations by the Barnes-Evans relation shows a discrepancy which increases with the color index. Possible sources of a systematic error in the determination presented here as well as in the surface brightness-color index relation of Barnes and Evans are discussed.

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