Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979pasp...91..642t&link_type=abstract
Astronomical Society of the Pacific, Publications, vol. 91, Oct.-Nov. 1979, p. 642-647. Research supported by the Natural Scien
Astronomy and Astrophysics
Astronomy
85
Early Stars, Interstellar Extinction, Main Sequence Stars, Pleiades Cluster, Red Shift, Stellar Spectrophotometry, Ubv Spectra, Abundance, Atmospheric Attenuation, Dwarf Stars, Late Stars, Ultraviolet Spectra
Scientific paper
The effects of differential reddening on the UBV colors of Pleiades members have been removed for stars earlier than (B-V)0 = 1.00m, and the dereddened colors have been found to exhibit an ultraviolet excess of delta(U-B) = +0.03m with respect to Hyades stars. A correction of +0.15m in mV at constant (B-V) has been derived for the Hyades main sequence to adjust it to Pleiades metallicity, and this has been fit to Pleiades late-type dwarfs in order to define a new photometric ZAMS for typical solar neighborhood stars of spectral types A, F, and G. A zero-point of 3.15 was adopted for the Hyades distance modulus based upon a review of available astrometric data, and the corresponding Pleiades distance modulus is 5.56.
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