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dc.creatorKilic, Mukremin-
dc.creatorGianninnas, A.-
dc.creatorBrown, Warren R.-
dc.creatorHarris, Hugh C.-
dc.creatorDahn, Conard C-
dc.creatorAgüeros, M. A.-
dc.creatorHeinke, Craig O.-
dc.creatorKenyon, S. J.-
dc.creatorPanei, J. A.-
dc.creatorCamilo, Fernando-
dc.date2017-08-07T16:12:27Z-
dc.date2017-08-07T16:12:27Z-
dc.date2013-08-
dc.date2015-06-02T13:40:07Z-
dc.date.accessioned2019-04-29T15:50:50Z-
dc.date.available2019-04-29T15:50:50Z-
dc.date.issued2013-08-
dc.identifierKilic, Mukremin; Gianninnas, A.; Brown, Warren R.; Harris, Hugh C.; Dahn, Conard C; et al.; The runaway binary LP 400-22 is leaving the Galaxy; Oxford University Press; Monthly Notices Of The Royal Astronomical Society; 434; 4; 8-2013; 3582-3589-
dc.identifier0035-8711-
dc.identifierhttp://hdl.handle.net/11336/21946-
dc.identifierCONICET Digital-
dc.identifierCONICET-
dc.identifier.urihttp://rodna.bn.gov.ar:8080/jspui/handle/bnmm/303586-
dc.descriptionWe present optical spectroscopy, astrometry, radio and X-ray observations of the runaway binary LP 400-22. We refine the orbital parameters of the system based on our new radial velocity observations. Our parallax data indicate that LP 400-22 is significantly more distant (3σ lower limit of 840 pc) than initially predicted. LP 400-22 has a tangential velocity in excess of 830 km s-1; it is unbound to the Galaxy. Our radio and X-ray observations fail to detect a recycled millisecond pulsar companion, indicating that LP 400-22 is a double white dwarf system. This essentially rules out a supernova runaway ejection mechanism. Based on its orbit, a Galactic Centre origin is also unlikely. However, its orbit intersects the locations of several globular clusters; dynamical interactions between LP 400-22 and other binary stars or a central black hole in a dense cluster could explain the origin of this unusual binary.-
dc.descriptionFil: Kilic, Mukremin. Oklahoma State University; Estados Unidos-
dc.descriptionFil: Gianninnas, A.. Oklahoma State University; Estados Unidos-
dc.descriptionFil: Brown, Warren R.. Harvard-Smithsonian Center for Astrophysics; Estados Unidos-
dc.descriptionFil: Harris, Hugh C.. US Naval Observatory; Estados Unidos-
dc.descriptionFil: Dahn, Conard C. US Naval Observatory; Estados Unidos-
dc.descriptionFil: Agüeros, M. A.. Columbia University; Estados Unidos-
dc.descriptionFil: Heinke, Craig O.. University of Alberta; Canadá-
dc.descriptionFil: Kenyon, S. J.. Harvard-Smithsonian Center for Astrophysics; Estados Unidos-
dc.descriptionFil: Panei, J. A.. Consejo Nacional de Invest.cientif.y Tecnicas. Centro Cientifico Tecnol.conicet - la Plata. Instituto de Astrofisica la Plata; Argentina-
dc.descriptionFil: Camilo, Fernando. Columbia University; Estados Unidos. Arecibo Observatory; Estados Unidos-
dc.formatapplication/pdf-
dc.formatapplication/pdf-
dc.languageeng-
dc.publisherOxford University Press-
dc.relationinfo:eu-repo/semantics/altIdentifier/url/http://arxiv.org/abs/1307.3258-
dc.relationinfo:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mnras/article-lookup/doi/10.1093/mnras/stt1282-
dc.relationinfo:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1093/mnras/stt1282-
dc.rightsinfo:eu-repo/semantics/openAccess-
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/-
dc.sourcereponame:CONICET Digital (CONICET)-
dc.sourceinstname:Consejo Nacional de Investigaciones Científicas y Técnicas-
dc.sourceinstacron:CONICET-
dc.subjectBinaries-
dc.subjectWhite dwarfs-
dc.subjectLP400-22 (estrella)-
dc.subjectRunaway binaries-
dc.subjectAstronomía-
dc.subjectCiencias Físicas-
dc.subjectCIENCIAS NATURALES Y EXACTAS-
dc.titleThe runaway binary LP 400-22 is leaving the Galaxy-
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.typeinfo:ar-repo/semantics/articulo-
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