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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents

ID: 308870.0, MPI für Astronomie / Publikationen_mpia
The OGLE-II event sc5_2859: A classical nova outburst?
Authors:Afonso, C.; Glicenstein, J. F.; Gould, A.; Smith, M. C.; Wagner, R. M.; Albert, J. N.; Andersen, J.; Ansari, R.; Aubourg, É.; Bareyre, P.; Beaulieu, J. P.; Blanc, G.; Charlot, X.; Coutures, C.; Ferlet, R.; Fouqué, P.; Goldman, B.; Graff, D.; Gros, M.; Haissinski, J.; Hamadache, C.; de Kat, J.; Leguillou, L.; Lesquoy, É.; Loup, C.; Magneville, C.; Marquette, J. B.; Maurice, É.; Maury, A.; Milsztajn, A.; Moniez, M.; Palanque-Delabrouille, N.; Perdereau, O.; Prévot, L.; Rahal, Y. R.; Rich, J.; Spiro, M.; Tisserand, P.; Vidal-Madjar, A.; Vigroux, L.; Zylberajch, S.
Date of Publication (YYYY-MM-DD):2006
Journal Abbrev.:Astronomy and Astrophysics
Start Page:233
End Page:239
Audience:Not Specified
Abstract / Description:Context: .The OGLE-II event sc5_2859 was previously identified as the third longest microlensing event ever observed.<BR /> Aims: .Additional photometric observations from the EROS (Expérience de Recherche d'Objets Sombres) survey and spectroscopic observations of the candidate star are used to test the microlensing hypothesis.<BR /> Methods: .The combined OGLE and EROS data provide a high quality coverage of the light curve. The colour of the sc5_2859 event is seen to change with time. A spectrum taken in 2003 exhibits a strong Halpha emission line.<BR /> Results: .The additionnal data show that the OGLE-II sc5_2859 event is actually a classical nova outburst.<BR />
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
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