Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...261l..47c&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor, vol. 261, Oct. 1, 1982, p. L47-L50.
Astronomy and Astrophysics
Astrophysics
26
Angular Velocity, Distribution Functions, Early Stars, O Stars, Stellar Rotation, Kinematics, Stellar Evolution, Stellar Mass
Scientific paper
An analysis is carried out of the distribution functions of stellar rotation of O-type stars for samples selected according to kinematical characteristics. It is found that there is a large overlap between the stellar group of fast rotators and the group of stars that presents large space velocities (the magnitude of the peculiar radial velocity being greater than 30 km/sec). The possibility of explaining this overlap in terms of the various theories of 'runaway' stars is discussed. It is found that 15 percent-22 percent of all O-type stars are likely Population II objects.
Aguilar Arevalo L.
Carrasco Luis
Recillas-Cruz Else
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