Astronomy and Astrophysics – Astronomy
Scientific paper
May 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982stin...8230199w&link_type=abstract
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Astronomy and Astrophysics
Astronomy
Astronomical Catalogs, Binary Stars, Brightness, Computer Compatible Tapes, Stellar Luminosity, Variable Stars, Infrared Radiation, Stellar Color, Stellar Magnitude, Stellar Spectra
Scientific paper
The machine-readable version of The Bright Star Catalogue, 4th edition, is described. In addition to the large number of newly determined fundamental data, such as photoelectric magnitudes, MK spectral types, parallaxes, and radial velocities, the new version contains data and information not included in the third edition such as the identification of IR sources, U-B and R-I colors, radial velocity comments (indication and identification of spectroscopic and occultation binaries), and projected rotational velocities. The equatorial coordinates for equinoxes 1900 and 2000 are recorded to greater precision details concerning variability, spectral characteristics, duplicity, and group membership are included. Data compiled through 1979, some information and variable-star designations found through 1981 are considered.
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