Improved methodology for the automated classification of periodic variable stars
Identifieur interne : 000042 ( Main/Exploration ); précédent : 000041; suivant : 000043Improved methodology for the automated classification of periodic variable stars
Auteurs : J. Blomme [Belgique] ; L. M. Sarro [Espagne] ; F. T. O Onovan [États-Unis] ; J. Debosscher [Belgique] ; T. Brown [États-Unis] ; M. Lopez [Espagne] ; P. Dubath [Suisse] ; L. Rimoldini [Suisse] ; D. Charbonneau [États-Unis] ; E. Dunham [États-Unis] ; G. Mandushev [États-Unis] ; D. R. Ciardi [États-Unis] ; J. De Ridder [Belgique] ; C. Aerts [Belgique, Pays-Bas]Source :
- Monthly Notices of the Royal Astronomical Society [ 0035-8711 ] ; 2011-11-21.
English descriptors
Abstract
We present a novel automated methodology to detect and classify periodic variable stars in a large data base of photometric time series. The methods are based on multivariate Bayesian statistics and use a multistage approach. We applied our method to the ground‐based data of the Trans‐Atlantic Exoplanet Survey (TrES) Lyr1 field, which is also observed by the Kepler satellite, covering ∼26 000 stars. We found many eclipsing binaries as well as classical non‐radial pulsators, such as slowly pulsating B stars, γ Doradus, β Cephei and δ Scuti stars. Also a few classical radial pulsators were found.
Url:
DOI: 10.1111/j.1365-2966.2011.19466.x
Affiliations:
- Belgique, Espagne, Pays-Bas, Suisse, États-Unis
- Communauté de Madrid, Province du Brabant flamand, Région flamande
- Louvain
- Katholieke Universiteit Leuven
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Aerts</name><affiliation wicri:level="4"><country xml:lang="fr">Belgique</country><wicri:regionArea>Instituut voor Sterrenkunde, Katholieke Universiteit Leuven, Celestijnenlaan 200D, B‐3001 Leuven</wicri:regionArea><orgName type="university">Katholieke Universiteit Leuven</orgName><placeName><settlement type="city">Louvain</settlement><region>Région flamande</region><region type="district" nuts="2">Province du Brabant flamand</region></placeName></affiliation><affiliation wicri:level="1"><country xml:lang="fr" wicri:curation="lc">Pays-Bas</country><wicri:regionArea>Department of Astrophysics, IMAPP, Radboud University Nijmegen, PO Box 9010, 6500 GL Nijmegem</wicri:regionArea><wicri:noRegion>6500 GL Nijmegem</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Monthly Notices of the Royal Astronomical Society</title><idno type="ISSN">0035-8711</idno><idno type="eISSN">1365-2966</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2011-11-21">2011-11-21</date><biblScope unit="volume">418</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="96">96</biblScope><biblScope unit="page" to="106">106</biblScope></imprint><idno type="ISSN">0035-8711</idno></series><idno type="istex">C43096C6B6F31D68F9F2C9562D608D74AFBCB0C3</idno><idno type="DOI">10.1111/j.1365-2966.2011.19466.x</idno><idno type="ArticleID">MNR19466</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0035-8711</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>methods: data analysis</term><term>methods: statistical</term><term>techniques: photometric</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We present a novel automated methodology to detect and classify periodic variable stars in a large data base of photometric time series. The methods are based on multivariate Bayesian statistics and use a multistage approach. We applied our method to the ground‐based data of the Trans‐Atlantic Exoplanet Survey (TrES) Lyr1 field, which is also observed by the Kepler satellite, covering ∼26 000 stars. We found many eclipsing binaries as well as classical non‐radial pulsators, such as slowly pulsating B stars, γ Doradus, β Cephei and δ Scuti stars. Also a few classical radial pulsators were found.</div></front></TEI><affiliations><list><country><li>Belgique</li><li>Espagne</li><li>Pays-Bas</li><li>Suisse</li><li>États-Unis</li></country><region><li>Communauté de Madrid</li><li>Province du Brabant flamand</li><li>Région flamande</li></region><settlement><li>Louvain</li></settlement><orgName><li>Katholieke Universiteit Leuven</li></orgName></list><tree><country name="Belgique"><region name="Région flamande"><name sortKey="Blomme, J" sort="Blomme, J" uniqKey="Blomme J" first="J." last="Blomme">J. Blomme</name></region><name sortKey="Aerts, C" sort="Aerts, C" uniqKey="Aerts C" first="C." last="Aerts">C. Aerts</name><name sortKey="De Ridder, J" sort="De Ridder, J" uniqKey="De Ridder J" first="J." last="De Ridder">J. De Ridder</name><name sortKey="Debosscher, J" sort="Debosscher, J" uniqKey="Debosscher J" first="J." last="Debosscher">J. Debosscher</name></country><country name="Espagne"><region name="Communauté de Madrid"><name sortKey="Sarro, L M" sort="Sarro, L M" uniqKey="Sarro L" first="L. M." last="Sarro">L. M. Sarro</name></region><name sortKey="Lopez, M" sort="Lopez, M" uniqKey="Lopez M" first="M." last="Lopez">M. Lopez</name></country><country name="États-Unis"><noRegion><name sortKey="O Onovan, F T" sort="O Onovan, F T" uniqKey="O Onovan F" first="F. T." last="O Onovan">F. T. O Onovan</name></noRegion><name sortKey="Brown, T" sort="Brown, T" uniqKey="Brown T" first="T." last="Brown">T. Brown</name><name sortKey="Brown, T" sort="Brown, T" uniqKey="Brown T" first="T." last="Brown">T. Brown</name><name sortKey="Charbonneau, D" sort="Charbonneau, D" uniqKey="Charbonneau D" first="D." last="Charbonneau">D. Charbonneau</name><name sortKey="Ciardi, D R" sort="Ciardi, D R" uniqKey="Ciardi D" first="D. R." last="Ciardi">D. R. Ciardi</name><name sortKey="Dunham, E" sort="Dunham, E" uniqKey="Dunham E" first="E." last="Dunham">E. Dunham</name><name sortKey="Mandushev, G" sort="Mandushev, G" uniqKey="Mandushev G" first="G." last="Mandushev">G. Mandushev</name></country><country name="Suisse"><noRegion><name sortKey="Dubath, P" sort="Dubath, P" uniqKey="Dubath P" first="P." last="Dubath">P. Dubath</name></noRegion><name sortKey="Rimoldini, L" sort="Rimoldini, L" uniqKey="Rimoldini L" first="L." last="Rimoldini">L. Rimoldini</name></country><country name="Pays-Bas"><noRegion><name sortKey="Aerts, C" sort="Aerts, C" uniqKey="Aerts C" first="C." last="Aerts">C. 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