The calibration of Stromgren photometry for A, F and early G supergiants. II - The F and early G supergiants

Details The calibration of Stromgren photometry for A, F and early G supergiants. II - The F and early G supergiants The calibration of Stromgren photometry for A, F and early G supergiants. II - The F and early G supergiants

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...252..237g&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 252, no. 1, Dec. 1991, p. 237-244.

Astronomy and Astrophysics

Astrophysics

30

Astronomical Photometry, Stellar Color, Supergiant Stars, Ubv Spectra, Gravimetry, Stellar Composition, Stellar Spectra, Stellar Temperature

Scientific paper

The technique for calibration of the uvby-beta photometric system is developed empirically for the supergiants and tested for errors. Parameters are derived for gravity and temperature which indicate the intrinsic color, and color excesses are calculated for classical Cepheids. The values compare favorably with previous estimates, although the calibration is found to be sensitive to metal abundance.

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