Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004mnras.353..633l&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Volume 353, Issue 2, pp. 633-638.
Astronomy and Astrophysics
Astronomy
4
Galaxy: Halo, Stars: Abundances, Stars: Atmospheres, Stars: Early-Type, Stars: Evolution, Stars: Kinematics
Scientific paper
High spectral resolution (R~ 40000) and signal-to-noise ratio observations of five high Galactic latitude early-type stars taken from the Edinburgh-Cape (EC) Faint Blue Object Survey are presented. These were required to complete a magnitude range-limited survey of young B-type objects with 11 < V < 15. Of the five stars, four were rejected on the grounds that they are either subluminous (subdwarf or horizontal branch), were part of a binary system or possessed colours later than the (U-B) =-0.5 cut-off employed. The remaining star in the data set, EC 19596-5356, is found to exhibit normal young B-type stellar properties. A kinematic analysis reveals that an origin in the Galactic disc appears likely for all the stars in the sample. Some statistics are drawn about the number density of young stars in the Galactic halo.
Dufton Philip L.
Hambly Nigel
Keenan Francis P.
Kilkenny Dave
Lynn B. B.
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