Measurement for stellar radius.

Details Measurement for stellar radius. Measurement for stellar radius.

Mar 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994pabei..12...62t&link_type=abstract

Prog. Astron., Vol. 12, No. 1, p. 62 - 70

Astronomy and Astrophysics

Astronomy

Stellar Diameters: Measurements

Scientific paper

Methods for determining the stellar radius is reviewed. The stellar angular diameter may be obtained by means of lunar occultations, interferometry, speckle interferometry, and the radius of the components of a binary can be calculated directly from spectroscopic orbital elements and photometric solution. In addition, from the observational surface brightness, or the absolute flow, or the bolometric flow and their corresponding relations with the stellar radius, its value may be estimated. Then, the accuracy of the measurement of the stellar radius is discussed. For some kinds of stars, their physical characters, such as the disc, the ring, the envelope, the star wind, may effect the accuracy very much.

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