Further photometric surveys for white dwarfs in Praesepe

Details Further photometric surveys for white dwarfs in Praesepe Further photometric surveys for white dwarfs in Praesepe

Feb 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984aj.....89..267a&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 89, Feb. 1984, p. 267-273.

Astronomy and Astrophysics

Astronomy

13

Star Clusters, Stellar Mass, Stellar Spectrophotometry, Ubv Spectra, White Dwarf Stars, Galactic Evolution, Main Sequence Stars, Mass To Light Ratios, Spectrum Analysis, Stellar Evolution

Scientific paper

The search for white dwarfs in Praesepe has been extended by a UBV photographic photometry survey in an additional field of the cluster. When combined with the results of Anthony-Twarog (1982), the Praesepe survey indicates six probable member white dwarfs in the central area of the cluster. Extrapolation of the present main-sequence luminosity function to masses above the turnoff indicates that Mwd, the upper mass limit for white dwarf precursors, is at least 2.5 M_sun;.

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