Six New ZZ Ceti Stars from the SPY and the HQS Surveys

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dc.creatorVoss, B.
dc.creatorKoester, D.
dc.creatorØstensen, R.
dc.creatorNapiwotzki, R.
dc.creatorHomeier, D.
dc.creatorReimers, D.
dc.date2007-04-20
dc.date.accessioned2026-07-07T07:57:36Z
dc.date.available2026-07-07T07:57:36Z
dc.descriptionWe report on the discovery of six new ZZ Ceti stars. They were selected as candidates based on preparatory photometric observations of objects from the Hamburg Quasar Survey (HQS), and based on the spectra of the Supernova Ia Progenitor Survey (SPY). Time-series photometry of 19 candidate stars was carried out at the Nordic Optical Telescope (NOT) at Roque de Los Muchachos Observatory, Spain. The new variables are relatively bright, 15.4<B<16.6. Among them is WD1150-153, which is the third ZZ Ceti star that shows photospheric CaII in its spectrum.
dc.description4 pages, 1 figure, to be published in the proceedings of the 15th European Workshop on White Dwarfs (ASP)
dc.identifierhttps://arxiv.org/abs/0704.2710
dc.identifierhttp://arxiv.org/abs/0704.2710
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/127707
dc.subjectAstrophysics
dc.titleSix New ZZ Ceti Stars from the SPY and the HQS Surveys
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