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Discovery of the first white dwarf + T dwarf binary system and the use of white dwarfs as age calibrators

dc.contributor.authorDay-Jones, Avril
dc.contributor.authorPinfield, D.J.
dc.contributor.authorRuiz, M.
dc.contributor.authorBeaumont, H.
dc.contributor.authorGallardo, J.
dc.contributor.authorGianninas, A.
dc.contributor.authorBergeron, P.
dc.contributor.authorNapiwotzki, Ralf
dc.contributor.authorJenkins, J.S.
dc.contributor.authorBurningham, B.
dc.contributor.authorZhang, Z.H.
dc.contributor.authorJones, H.R.A.
dc.contributor.authorMurray, D.
dc.contributor.authorCatalan, Silvia
dc.contributor.authorInes Gomes, Joana
dc.contributor.editorWerner, K
dc.contributor.editorRauch, T
dc.date.accessioned2011-11-23T14:01:08Z
dc.date.available2011-11-23T14:01:08Z
dc.date.issued2010
dc.identifier.citationDay-Jones , A , Pinfield , D J , Ruiz , M , Beaumont , H , Gallardo , J , Gianninas , A , Bergeron , P , Napiwotzki , R , Jenkins , J S , Burningham , B , Zhang , Z H , Jones , H R A , Murray , D , Catalan , S & Ines Gomes , J 2010 , Discovery of the first white dwarf + T dwarf binary system and the use of white dwarfs as age calibrators . in K Werner & T Rauch (eds) , 17th European White Dwarf Workshop . 1st edn , vol. 1273 , AIP Conf Procs , vol. 1273 , American Institute of Physics (AIP) , MELVILLE , pp. 366-371 , 17th European White Dwarf Workshop , Tubingen , 16/08/10 . https://doi.org/10.1063/1.3527843
dc.identifier.citationconference
dc.identifier.isbn978-0-7354-0823-4
dc.identifier.otherORCID: /0000-0003-4600-5627/work/64327337
dc.identifier.urihttp://hdl.handle.net/2299/7103
dc.description“Copyright 2010 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.”
dc.description.abstractWe present the discovery of the first white dwarf + T dwarf binary system. Systems containing a white dwarf and a brown dwarf are rare but can be used to place constraints on the age of the binary, making them valuable benchmark systems. It is currently not possible to calculate brown dwarf ages from models alone and white dwarfs provide an opportunity to aid the calibration of these models. We describe our program to identify such benchmark binary systems in the latest releases of UKIDSS/SDSS and review the level of constraints currently provided by benchmark objects. Finally we describe the niche age space that white dwarf + brown dwarf binary systems can provide and look at how many more systems may be identified in future surveys, such as VISTA and WISE.en
dc.format.extent6
dc.language.isoeng
dc.publisherAmerican Institute of Physics (AIP)
dc.relation.ispartof17th European White Dwarf Workshop
dc.relation.ispartofseriesAIP Conf Procs
dc.subjectwhite dwarfs
dc.subjectbinary stars
dc.subjectspectroscopy
dc.titleDiscovery of the first white dwarf + T dwarf binary system and the use of white dwarfs as age calibratorsen
dc.contributor.institutionSchool of Physics, Astronomy and Mathematics
dc.contributor.institutionScience & Technology Research Institute
dc.contributor.institutionCentre for Astrophysics Research (CAR)
dc.contributor.institutionSchool of Physics, Engineering & Computer Science
dc.contributor.institutionDepartment of Physics, Astronomy and Mathematics
rioxxterms.versionofrecord10.1063/1.3527843
rioxxterms.typeOther
herts.preservation.rarelyaccessedtrue


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