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dc.contributor.author
Kepler, S. O.  
dc.contributor.author
Fraga, Luciano  
dc.contributor.author
Winget, Don Earl  
dc.contributor.author
Bell, Keaton  
dc.contributor.author
Corsico, Alejandro Hugo  
dc.contributor.author
Werner, Klaus  
dc.date.available
2017-01-04T21:08:34Z  
dc.date.issued
2014-08  
dc.identifier.citation
Kepler, S. O.; Fraga, Luciano; Winget, Don Earl; Bell, Keaton; Corsico, Alejandro Hugo; et al.; Discovery of a new PG 1159 (GW Vir) pulsator; Oxford University Press; Monthly Notices Of The Royal Astronomical Society; 442; 3; 8-2014; 2278-2281  
dc.identifier.issn
0035-8711  
dc.identifier.uri
http://hdl.handle.net/11336/10853  
dc.description.abstract
We report the discovery of pulsations in the spectroscopic PG 1159 type pre-white dwarf SDSS J075415.12 + 085232.18. Analysis of the spectrum by Werner et al. indicated Teff = 120 000 ± 10 000 K, log g = 7.0 ± 0.3, mass M = 0.52 ± 0.02 M, C/He = 0.33 by number. We obtained time series images with the SOAR 4.1 m telescope and 2.1 m Otto Struve telescope at McDonald Observatory and show the star is also a variable PG 1159 type star, with dominant period of 525 s.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Oxford University Press  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Sdss J075415.12 + 085232.18  
dc.subject
White Dwarfs  
dc.subject.classification
Astronomía  
dc.subject.classification
Ciencias Físicas  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
Discovery of a new PG 1159 (GW Vir) pulsator  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2017-01-02T18:36:34Z  
dc.identifier.eissn
1365-2966  
dc.journal.volume
442  
dc.journal.number
3  
dc.journal.pagination
2278-2281  
dc.journal.pais
Reino Unido  
dc.journal.ciudad
Oxford  
dc.description.fil
Fil: Kepler, S. O.. Universidade Federal do Rio Grande do Sul; Brasil  
dc.description.fil
Fil: Fraga, Luciano. Laboratorio Nacional de Astrofísica; Brasil  
dc.description.fil
Fil: Winget, Don Earl. University of Texas at Austin; Estados Unidos  
dc.description.fil
Fil: Bell, Keaton. University of Texas at Austin; Estados Unidos  
dc.description.fil
Fil: Corsico, Alejandro Hugo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina  
dc.description.fil
Fil: Werner, Klaus. Eberhard Karls University; Alemania  
dc.journal.title
Monthly Notices Of The Royal Astronomical Society  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1093/mnras/stu1019  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://mnras.oxfordjournals.org/content/442/3/2278  

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