An analysis of the Yale Bright Star Catalog

Details An analysis of the Yale Bright Star Catalog An analysis of the Yale Bright Star Catalog

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...320..515b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 320, Sept. 15, 1987, p. 515-526.

Astronomy and Astrophysics

Astrophysics

35

Astronomical Catalogs, Giant Stars, Star Distribution, Stellar Color, Stellar Magnitude, B Stars, Color-Magnitude Diagram, Milky Way Galaxy, O Stars

Scientific paper

The authors analyze the direction, color, and apparent-magnitude distributions of a complete sample of 3993 stars with mv≤ 6.0 mag and B-V ≥ 0.0 from the Yale Bright Star Catalog (BSC). Many of the sample stars are intrinsically bright disk giants. The total number and overall distributions of the BSC stars (excluding O and B stars) are well described by the standard Galaxy model with two major density components. The spatial distribution of O and B stars shows a density enhancement due to the Gould Belt in a 15° region inclined about 20°±3° to the Galactic plane. The total number of O and B stars in the Galaxy is estimated to be ≡107.

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