A 325 Square Degree Survey of B-Type Stars at High Galactic Latitudes

Details A 325 Square Degree Survey of B-Type Stars at High Galactic Latitudes A 325 Square Degree Survey of B-Type Stars at High Galactic Latitudes

Jul 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apj...447..783l&link_type=abstract

Astrophysical Journal v.447, p.783

Astronomy and Astrophysics

Astronomy

19

Stars: Abundances, Stars: Atmospheres, Stars: Distances, Stars: Early-Type

Scientific paper

Final results from model atmosphere analyses of all blue stars in a ˜325 square degree region of the Galactic halo are presented. A kinematic analysis reveals the presence of one star which cannot have been ejected from the disk according to contemporary theories. Ten other objects have, however, evolutionary times consistent with classification as disk runaway stars. Our results therefore imply the existence of some 200 stars in the Galaxy unexplainable in terms of disk ejection models, and set a lower limit of 10,000 runaway halo B-type stars.

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