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Article: Double-lined spectroscopic binary stars in the rave survey

TitleDouble-lined spectroscopic binary stars in the rave survey
Authors
KeywordsBinaries: spectroscopic
Methods: data analysis
Surveys
Issue Date2010
Citation
Astronomical Journal, 2010, v. 140, n. 1, p. 184-195 How to Cite?
AbstractWe devise a new method for the detection of double-lined binary stars in a sample of the Radial Velocity Experiment (RAVE) survey spectra. The method is both tested against extensive simulations based on synthetic spectra and compared to direct visual inspection of all RAVE spectra. It is based on the properties and shape of the cross-correlation function, and is able to recover 80% of all binaries with an orbital period of order 1 day. Systems with periods up to 1 yr are still within the detection reach. We have applied the method to 25,850 spectra of the RAVE second data release and found 123 double-lined binary candidates, only eight of which are already marked as binaries in the SIMBAD database. Among the candidates, there are seven that show spectral features consistent with the RS CVn type (solar type with active chromosphere) and seven that might be of W UMa type (over-contact binaries). One star, HD 101167, seems to be a triple system composed of three nearly identical G-type dwarfs. The tested classification method could also be applicable to the data of the upcoming Gaia mission. © 2010. The American Astronomical Society. All rights reserved..
Persistent Identifierhttp://hdl.handle.net/10722/208909
ISSN
2015 Impact Factor: 4.617
2015 SCImago Journal Rankings: 3.069

 

DC FieldValueLanguage
dc.contributor.authorMatijevič, Gal-
dc.contributor.authorZwitter, Tomaž-
dc.contributor.authorMunari, Ulisse-
dc.contributor.authorBienaymé, Olivier-
dc.contributor.authorBinney, James J.-
dc.contributor.authorBland-Hawthorn, Joss Bland-
dc.contributor.authorBoeche, Corrado-
dc.contributor.authorCampbell, Randy D.-
dc.contributor.authorFreeman, Kenneth C.-
dc.contributor.authorGibson, Brad K.-
dc.contributor.authorGilmore, Gerard F.-
dc.contributor.authorGrebel, Eva K.-
dc.contributor.authorHelmi, Amina-
dc.contributor.authorNavarro, Julio F.-
dc.contributor.authorParker, Quentin A.-
dc.contributor.authorSeabroke, George M.-
dc.contributor.authorSiebert, Arnaud-
dc.contributor.authorSiviero, Alessandro-
dc.contributor.authorSteinmetz, Matthias-
dc.contributor.authorWatson, Fred G.-
dc.contributor.authorWilliams, Mary E K-
dc.contributor.authorWyse, Rosemary F G-
dc.date.accessioned2015-03-23T02:02:09Z-
dc.date.available2015-03-23T02:02:09Z-
dc.date.issued2010-
dc.identifier.citationAstronomical Journal, 2010, v. 140, n. 1, p. 184-195-
dc.identifier.issn0004-6256-
dc.identifier.urihttp://hdl.handle.net/10722/208909-
dc.description.abstractWe devise a new method for the detection of double-lined binary stars in a sample of the Radial Velocity Experiment (RAVE) survey spectra. The method is both tested against extensive simulations based on synthetic spectra and compared to direct visual inspection of all RAVE spectra. It is based on the properties and shape of the cross-correlation function, and is able to recover 80% of all binaries with an orbital period of order 1 day. Systems with periods up to 1 yr are still within the detection reach. We have applied the method to 25,850 spectra of the RAVE second data release and found 123 double-lined binary candidates, only eight of which are already marked as binaries in the SIMBAD database. Among the candidates, there are seven that show spectral features consistent with the RS CVn type (solar type with active chromosphere) and seven that might be of W UMa type (over-contact binaries). One star, HD 101167, seems to be a triple system composed of three nearly identical G-type dwarfs. The tested classification method could also be applicable to the data of the upcoming Gaia mission. © 2010. The American Astronomical Society. All rights reserved..-
dc.languageeng-
dc.relation.ispartofAstronomical Journal-
dc.subjectBinaries: spectroscopic-
dc.subjectMethods: data analysis-
dc.subjectSurveys-
dc.titleDouble-lined spectroscopic binary stars in the rave survey-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1088/0004-6256/140/1/184-
dc.identifier.scopuseid_2-s2.0-77953486108-
dc.identifier.volume140-
dc.identifier.issue1-
dc.identifier.spage184-
dc.identifier.epage195-

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