Determination of the effective temperature of main sequence stars from the U-B and B-V colour indices

Details Determination of the effective temperature of main sequence stars from the U-B and B-V colour indices Determination of the effective temperature of main sequence stars from the U-B and B-V colour indices

Dec 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977mmsai..48..833c&link_type=abstract

(Società Astronomica Italiana, Riunione, 21st, Bologna, Italy, Oct. 20-23, 1977.) Società Astronomica Italiana, Memorie, vol. 48

Astronomy and Astrophysics

Astronomy

Main Sequence Stars, Stellar Spectrophotometry, Stellar Temperature, Ubv Spectra, Early Stars, Polynomials, Temperature Measurement

Scientific paper

A correlation between effective temperature and both the B-V and U-B color indices is sought for a sample of about 200 main-sequence stars for which values of B-V and U-B have been observed and effective temperatures determined. An analytical relation for effective temperature as a function of both color indices is obtained and expressed in polynomial form. Coefficients are computed for the polynomial relation. It is noted that the effective-temperature scale obtained appears to be best established for early-type stars, primarily due to a lack of data on late-type stars.

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