Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992ap%26ss.187..187c&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 187, no. 2, Jan. 1992, p. 187-195. Research supported by CICYT and CIRIT.
Astronomy and Astrophysics
Astrophysics
9
B Stars, Early Stars, Molecular Clouds, O Stars, Star Clusters, Stellar Evolution, Astrometry, Hipparcos Satellite, Solar Neighborhood, Star Distribution
Scientific paper
Results of statistical investigations of the nearby early-type stars proposed for observations by the Hipparcos satellite are presented. Findings on spatial orientation and kinematics are in agreement with those found in the literature; an age estimate based on the nonkinematic hypothesis is found to be somewhat smaller than the expansion ages derived in some studies. It is suggested that Gould's Belt may have formed as a result of high-velocity cloud impact on the Galactic disk, and some estimates are presented.
Comeron Fernando
Gomez Ana E.
Torra Jordi
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