Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002mnras.336.1287l&link_type=abstract
Monthly Notice of the Royal Astronomical Society, Volume 336, Issue 4, pp. 1287-1292.
Astronomy and Astrophysics
Astronomy
6
Stars: Early-Type, Stars: Formation, Stars: Individual: Phl 346, Stars: Kinematics, Galaxy: Halo
Scientific paper
A preliminary search for stars that may have formed coevally with the apparently young halo B-type star PHL 346 has been performed with the 2dF multifibre spectrograph on the Anglo-Australian Telescope (AAT). Candidates were selected for spectroscopy from APM scans of B and R Schmidt plates centred on PHL 346. A total of 476 stars of spectral type A or F were found; radial velocity estimates and more accurate spectral type assignments narrowed the number of possible coeval candidates to 6 A-type and 14 F-type stars. A statistical analysis of these results using a comparison with a control field suggests that the number of A-type or F-type candidate stars around PHL 346 is not unexpected, and that they need not be associated with PHL 346. A number of ways to improve the project are suggested.
Dufton Philip L.
Gilmore Gerard
Hambly Nigel C.
Irwin Mary Jane
Keenan Francis P.
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