New Pulsating DB White Dwarf Stars From The Sloan Digital Sky Survey

Simple item page
dc.contributor.utaustinauthorNather, R. E.en_US
dc.contributor.utaustinauthorWinget, D. E.en_US
dc.creatorNitta, Atsukoen_US
dc.creatorKleinman, S. J.en_US
dc.creatorKrzesinski, J.en_US
dc.creatorKepler, S. O.en_US
dc.creatorMetcalfe, T. S.en_US
dc.creatorMukadam, Anjum S.en_US
dc.creatorMullally, Fergalen_US
dc.creatorNather, R. E.en_US
dc.creatorSullivan, Denis J.en_US
dc.creatorThompson, Susan E.en_US
dc.creatorWinget, D. E.en_US
dc.date.accessioned2016-04-28T19:34:42Z
dc.date.available2016-04-28T19:34:42Z
dc.date.issued2009-01en
dc.description.abstractWe are searching for new He atmosphere white dwarf pulsators (dbVs) based on the newly found white dwarf stars from the spectra obtained by the Sloan Digital Sky Survey. dbVs pulsate at hotter temperature ranges than their better known cousins, the H atmosphere white dwarf pulsators (DAVs or ZZ Ceti stars). Since the evolution of white dwarf stars is characterized by cooling, asteroseismological studies of dbVs give us opportunities to study white dwarf structure at a different evolutionary stage than the DAVs. The hottest dbVs are thought to have neutrino luminosities exceeding their photon luminosities, a quantity measurable through asteroseismology. Therefore, they can also be used to study neutrino physics in the stellar interior. So far we have discovered nine new dbVs, doubling the number of previously known dbVs. Here we report the new pulsators' light curves and power spectra.en_US
dc.description.departmentAstronomyen_US
dc.description.sponsorshipAlfred P. Sloan Foundationen_US
dc.description.sponsorshipNational Science Foundation AST-0401441en_US
dc.description.sponsorshipU.S. Department of Energyen_US
dc.description.sponsorshipNational Aeronautics and Space Administrationen_US
dc.description.sponsorshipJapanese Monbukagakushoen_US
dc.description.sponsorshipMax Planck Societyen_US
dc.description.sponsorshipHigher Education Funding Council for Englanden_US
dc.identifierdoi:10.15781/T2XV5Z
dc.identifier.Filename2009_01_dwwhitedwarf.pdfen_US
dc.identifier.citationNitta, Atsuko, Scot James Kleinman, Jerzy Krzesinski, Souza Oliveira Kepler, Travis S. Metcalfe, Anjum S. Mukadam, Fergal Mullally et al. "New pulsating DB white dwarf stars from the Sloan digital sky survey." The Astrophysical Journal, Vol. 690, No. 1 (Jan., 2009): 560.en_US
dc.identifier.doi10.1088/0004-637x/690/1/560en_US
dc.identifier.issn0004-637Xen_US
dc.identifier.urihttp://hdl.handle.net/2152/34796
dc.language.isoEnglishen_US
dc.relation.ispartofen_US
dc.relation.ispartofserialAstrophysical Journalen_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.rights.restrictionOpenen_US
dc.subjectstars: generalen_US
dc.subjectstars: oscillationsen_US
dc.subjectstars: variables: otheren_US
dc.subjectwhiteen_US
dc.subjectdwarfsen_US
dc.subjectearth telescope observationsen_US
dc.subjecthydrogen layeren_US
dc.subjectdata releaseen_US
dc.subjectinstabilityen_US
dc.subjectstripen_US
dc.subjectgd-358en_US
dc.subjectasteroseismologyen_US
dc.subjectc-12(alphaen_US
dc.subjectdiscoveryen_US
dc.subjectthicknessen_US
dc.subjectg117-b15aen_US
dc.subjectastronomy & astrophysicsen_US
dc.titleNew Pulsating DB White Dwarf Stars From The Sloan Digital Sky Surveyen_US
dc.typeArticleen_US

Access full-text files

Original bundle

Now showing 1 - 1 of 1
Thumbnail Image
Name:
2009_01_dwwhitedwarf.pdf
Size:
430.04 KB
Format:
Adobe Portable Document Format
Download

License bundle

Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.65 KB
Format:
Plain Text
Description:
Download

Collections

UT Faculty/Researcher Works