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New white dwarf stars in the Sloan Digital Sky Survey Data Release 10

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Complete Citation

  • Kepler, S. O., Pelisoli, I., Koester, D., Ourique, G., Kleinman, S. J., Romero, A. D., Nitta, A., Eisenstein, D. J., Costa, J. E. S., Külebi, B., Jordan, S., Dufour, P., Giommi, Paolo, and Rebassa-Mansergas, Alberto. 2015. "New white dwarf stars in the Sloan Digital Sky Survey Data Release 10." Monthly Notices of the Royal Astronomical Society 446:4078-4087. https://doi.org/10.1093/mnras/stu2388

Overview

Abstract

  • We report the discovery of 9088 new spectroscopically confirmed white dwarfs and subdwarfs in the Sloan Digital Sky Survey Data Release 10. We obtain Teff, log g and mass for hydrogen atmosphere white dwarf stars (DAs) and helium atmosphere white dwarf stars (DBs), and estimate the calcium/helium abundances for the white dwarf stars with metallic lines (DZs) and carbon/helium for carbon-dominated spectra DQs. We found 1 central star of a planetary nebula, 2 new oxygen spectra on helium atmosphere white dwarfs, 71 DQs, 42 hot DO/PG1159s, 171 white dwarf main-sequence star binaries, 206 magnetic DAHs, 327 continuum-dominated DCs, 397 metal-polluted white dwarfs, 450 helium-dominated white dwarfs, 647 subdwarfs and 6887 new hydrogen-dominated white dwarf stars.

Publication Date

  • 2015

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