The white dwarf population of tri-axial haloes

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dc.contributor	Universitat Politècnica de Catalunya. Departament de Física Aplicada
dc.contributor	Universitat Politècnica de Catalunya. GAA - Grup d'Astronomia i Astrofísica
dc.contributor.author	Torres Gil, Santiago
dc.contributor.author	Camacho Díaz, Judit
dc.contributor.author	García-Berro Montilla, Enrique
dc.date	2010
dc.identifier.citation	Torres, S.; Camacho, J.; Garcia-berro, E. The white dwarf population of tri-axial haloes. A: "AIP Conference Proceedings Volume 1273. 17TH EUROPEAN WHITE DWARF WORKSHOP". American Institute of Physics (AIP), 2010, p. 37-40.
dc.identifier.citation	978-0-7354-0823-4
dc.identifier.citation	10.1063/1.3527846
dc.identifier.uri	http://hdl.handle.net/2117/24496
dc.language.iso	eng
dc.publisher	American Institute of Physics (AIP)
dc.relation	http://scitation.aip.org/proceedings/confproceed/1273.jsp
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	White dwarfs star
dc.subject	Dark matter (Astronomy)
dc.subject	Estels nans
dc.subject	Astronomia
dc.title	The white dwarf population of tri-axial haloes
dc.type	info:eu-repo/semantics/submittedVersion
dc.type	info:eu-repo/semantics/bookPart
dc.description.abstract	The nature of the several microlensing events observed by the MACHO team towards the Large Magellanic Cloud (LMC) is still a controversial subject. Substellar objects and stars with masses larger than ∼ 1M⊙ have been ruled out as major components of a Massive Astrophysical Halo Object (MACHO) Galactic halo. Stars of near half-solar mass, in particular white dwarfs, appear to be the best candidates to explain the observed microlensing events. On the other hand, observational evidence based on the structure of the debris of the Sagittarius dwarf galaxy suggest that the Galactic halo is non-spherical. We use a tri-axial halo model and advanced Monte Carlo techniques to study the contribution of the halo white dwarf population to the dark matter content of the Galaxy.
dc.description.abstract	Peer Reviewed

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