The H-beta distance scale for B stars - The Orion association

Details The H-beta distance scale for B stars - The Orion association The H-beta distance scale for B stars - The Orion association

Aug 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aj.....87.1213a&link_type=abstract

Astronomical Journal, vol. 87, Aug. 1982, p. 1213-1222. Research supported by the University of Texas.

Astronomy and Astrophysics

Astronomy

196

B Stars, Distance, H Beta Line, Orion Constellation, Stellar Magnitude, Stellar Spectrophotometry, Electrophotometers, Interstellar Extinction, Stellar Evolution, Ubv Spectra

Scientific paper

The large body of Stroemgren photometry collected by Warren and Hesser (1977) for Orion B stars has been analyzed following Crawford's (1978) revised calibration for B stars. No evidence is found for any bias due to rotation in the determination of absolute magnitudes and distance moduli. Comparison to previous studies in Orion and in the Sco-Cen association illustrates the need for caution in the treatment of reddening and suggests that the revision of the standard ZAMS due to the increase in the accepted Hyades distance modulus ought not to be extended to very young clusters.

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