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dc.contributor.author
DeGennaro, Steven
dc.contributor.author
von Hippel, Ted
dc.contributor.author
Winget, D. E.
dc.contributor.author
Kepler, S. O.
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Nitta, Atsuko
dc.contributor.author
Koester, Detlev
dc.contributor.author
Althaus, Leandro Gabriel
dc.date.available
2018-05-23T17:12:30Z
dc.date.issued
2008-01
dc.identifier.citation
DeGennaro, Steven; von Hippel, Ted; Winget, D. E.; Kepler, S. O.; Nitta, Atsuko; et al.; White dwarf luminosity and mass functions from sloan digital sky survey spectra; IOP Publishing; Astronomical Journal; 135; 1; 1-2008; 1-9
dc.identifier.issn
0004-6256
dc.identifier.uri
http://hdl.handle.net/11336/45997
dc.description.abstract
We 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 Teff 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 Teff < 12,000 K. Finally, we present a WD LF with nearly an order of magnitude (3358) more spectroscopically confirmed WDs than any previous work.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
IOP Publishing
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Luminosity Function
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Mass Function
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White Dwarfs
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Stars
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Sloan Digital Sky Survey
dc.subject.classification
Astronomía
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Ciencias Físicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
White dwarf luminosity and mass functions from sloan digital sky survey spectra
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-04-23T15:34:40Z
dc.journal.volume
135
dc.journal.number
1
dc.journal.pagination
1-9
dc.journal.pais
Estados Unidos
dc.description.fil
Fil: DeGennaro, Steven. University of Texas at Austin; Estados Unidos
dc.description.fil
Fil: von Hippel, Ted. University of Texas at Austin; Estados Unidos
dc.description.fil
Fil: Winget, D. E.. University of Texas at Austin; Estados Unidos
dc.description.fil
Fil: Kepler, S. O.. Universidade Federal do Rio Grande do Sul; Brasil
dc.description.fil
Fil: Nitta, Atsuko. Gemini Observatory; Estados Unidos
dc.description.fil
Fil: Koester, Detlev. Universität Kiel; Alemania
dc.description.fil
Fil: Althaus, Leandro Gabriel. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; Argentina
dc.journal.title
Astronomical Journal
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1088/0004-6256/135/1/1
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://iopscience.iop.org/article/10.1088/0004-6256/135/1/1/meta
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