Tycho 2 stars with infrared excess in the MSX Point Source Catalogue

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dc.creatorClarke, A. J.
dc.creatorOudmaijer, R. D.
dc.creatorLumsden, S. L
dc.date2005-08-22
dc.date2005-08-23
dc.date.accessioned2026-07-07T10:27:36Z
dc.date.available2026-07-07T10:27:36Z
dc.descriptionStars of all evolutionary phases have been found to have excess infrared emission due to the presence of circumstellar material. To identify such stars, we have positionally correlated the infrared MSX point source catalogue and the Tycho 2 optical catalogue. A near/mid infrared colour criteria has been developed to select infrared excess stars. The search yielded 1938 excess stars, over half (979) have never previously been detected by IRAS. The excess stars were found to be young objects such as Herbig Ae/Be and Be stars, and evolved objects such as OH/IR and carbon stars. A number of B type excess stars were also discovered whose infrared colours could not be readily explained by known catalogued objects.
dc.descriptionAdded Comment: 16 pages, 9 figures, accepted for publication in MNRAS
dc.identifierhttps://arxiv.org/abs/astro-ph/0508453
dc.identifierhttp://arxiv.org/abs/astro-ph/0508453
dc.identifierMon.Not.Roy.Astron.Soc.363:1111-1124,2005
dc.identifierdoi:10.1111/j.1365-2966.2005.09489.x
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/177197
dc.subjectAstrophysics
dc.titleTycho 2 stars with infrared excess in the MSX Point Source Catalogue
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