Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986pasp...98..552w&link_type=abstract
Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 98, June 1986, p. 552-555.
Astronomy and Astrophysics
Astronomy
15
Blue Stars, Stellar Spectra, White Dwarf Stars, Astronomical Spectroscopy, Open Clusters, Spectrum Analysis
Scientific paper
The authors report the discovery of 15 white dwarfs from among blue candidates in the Low Dispersion Northern Sky Case Survey and the Kiso Schmidt camera survey. The observations were made at the 2.3-m Steward telescope, the KPNO 2.1-m telescope, and the Multiple Mirror Telescope. Spectroscopy of Praesepe white-dwarf candidates revealed a DA star, and a possible DC star, which if confirmed would be only the second known non-DA white dwarf in an open cluster. One Praesepe white-dwarf candidate is a QSO with z = 2.1.
Liebert James
Nataliazotov
Sion Edward M.
Starrfield Sumner G.
Wagner Robert Marcus
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