Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981aj.....86.1337s&link_type=abstract
Astronomical Journal, vol. 86, Sept. 1981, p. 1337-1359.
Astronomy and Astrophysics
Astronomy
31
A Stars, B Stars, Early Stars, O Stars, Stellar Motions, Stellar Spectrophotometry, Abundance, Astronomical Catalogs, F Stars, Metallic Stars, Stellar Spectra
Scientific paper
Suspected nearby high-velocity stars of spectral types B and A are identified by their proper motions, which are generally too small for the stars to have been included in previous catalogs of high-velocity stars. The same selection process is then extended to spectral type F stars, in order to both provide a companion sample and investigate whether the hypothetical high-velocity, metal-rich population continues to later spectral types. Of the presented list of 371 stars with confirmed proper motions, 168 are of A and B spectral types. Photometric and spectroscopic observations of these stars are required to eliminate those with misclassified spectra and convert proper motions into space velocities. The identification of type of stars is important for understanding apparent exceptions to the correlation between stellar ages, metal abundances, and kinematic properties.
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