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dc.creatorDeGennaro, Stevenen_US
dc.creatorvon Hippel, Teden_US
dc.creatorWinget, D. E.en_US
dc.creatorKepler, S. O.en_US
dc.creatorNitta, Atsukoen_US
dc.creatorKoester, Detleven_US
dc.creatorAlthaus, Leandroen_US
dc.date.accessioned2016-04-22T19:46:10Z
dc.date.available2016-04-22T19:46:10Z
dc.date.issued2008-01en
dc.identifierdoi:10.15781/T2BZ2K
dc.identifier.citationDeGennaro, Steven, Ted von Hippel, Donald Earl Winget, Souza Oliveira Kepler, Atsuko Nitta, Detlev Koester, and Leandro Althaus. >White dwarf luminosity and mass functions from Sloan digital sky survey spectra.> The Astronomical Journal, Vol. 135, No. 1 (Jan., 2008): 1.en_US
dc.identifier.issn0004-6256en_US
dc.identifier.urihttp://hdl.handle.net/2152/34429
dc.description.abstractWe present the first phase in our ongoing work to use Sloan Digital Sky Survey (SDSS) data to create separate white dwarf (WD) luminosity functions (LFs) for two or more different mass ranges. In this paper, we determine the completeness of the SDSS spectroscopic WD sample by comparing a proper-motion selected sample of WDs from SDSS imaging data with a large catalog of spectroscopically determined WDs. We derive a selection probability as a function of a single color (g - i) and apparent magnitude (g) that covers the range - 1.0 < g - i < 0.2 and 15 < g < 19.5. We address the observed upturn in log g for WDs with T-eff less than or similar to 12,000 K and offer arguments that the problem is limited to the line profiles and is not present in the continuum. We offer an empirical method of removing the upturn, recovering a reasonable mass function for WDs with T-eff < 12,000 K. Finally, we present a WD LF with nearly an order of magnitude (3358) more spectroscopically confirmed WDs than any previous work.en_US
dc.language.isoEnglishen_US
dc.rightsAdministrative deposit of works to Texas ScholarWorks: This works author(s) is or was a University faculty member, student or staff member; this article is already available through open access or the publisher allows a PDF version of the article to be freely posted online. The library makes the deposit as a matter of fair use (for scholarly, educational, and research purposes), and to preserve the work and further secure public access to the works of the University.en_US
dc.subjectstars : luminosity functionen_US
dc.subjectmass functionen_US
dc.subjectwhite dwarfsen_US
dc.subjectspace-telescope observationsen_US
dc.subjectproper-motionen_US
dc.subjectasteroseismologicalen_US
dc.subjectconstraintsen_US
dc.subjectcooling sequenceen_US
dc.subjectdata releaseen_US
dc.subjectstarsen_US
dc.subjectageen_US
dc.subjectcatalogen_US
dc.subjectclusteren_US
dc.subjectcalibrationen_US
dc.subjectastronomy & astrophysicsen_US
dc.titleWhite Dwarf Luminosity And Mass Functions From Sloan Digital Sky Survey Spectraen_US
dc.typeArticleen_US
dc.description.departmentAstronomyen_US
dc.identifier.doi10.1088/0004-6256/135/1/1en_US
dc.contributor.utaustinauthorDeGennaro, Stevenen_US
dc.contributor.utaustinauthorvon Hippel, Teden_US
dc.contributor.utaustinauthorWinget, D. E.en_US
dc.relation.ispartofserialAstronomical Journalen_US


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