Statistics
Scientific paper
Apr 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pasp...94..271f&link_type=abstract
Astronomical Society of the Pacific, Publications, vol. 94, Apr. 1982, p. 271-284. Ministry of Education of Japan
Statistics
115
Angular Velocity, Statistical Analysis, Stellar Rotation, Stellar Spectra, A Stars, Astronomical Catalogs, B Stars, Distribution Functions, Dwarf Stars, Supergiant Stars, Tables (Data)
Scientific paper
The overall statistics on rotational velocities of a sample of stars are presented based on data listed in the new catalog of stellar rotational velocities. The characteristic range of equatorial rotational velocities is examined using a simple model distribution function, and it is shown that the rotational velocities of the normal stars are distributed over a relatively narrow range. Thus, the intrinsically slow rotators with rotational velocities less than 100 km/s would be seldom found among normal main sequence stars, and early Be stars would share a fairly wide range of rotational velocities with normal B stars. The distribution of observed v sin i's for some specific objects is discussed, and the dependence of mean v sin i on MK spectral type is illustrated.
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