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AgapeZ1: a Large Amplification Microlensing Event or an Odd Variable Star Towards the Inner Bulge of M31

Abstract : AgapeZ1 is the brightest and the shortest duration microlensing candidate event found in the Agape data. It occured only 42" from the center of M31. Our photometry shows that the half intensity duration of the event6 is 4.8 days and at maximum brightness we measure a stellar magnitude of R=18.0 with B-R=0.80 mag color. A search on HST archives produced a single resolved star within the projected event position error box. Its magnitude is R=22.
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Contributor : Simone Lantz <>
Submitted on : Tuesday, July 18, 2006 - 9:20:31 AM
Last modification on : Wednesday, October 14, 2020 - 3:47:26 AM

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R. Ansari, M. Auriere, P. Baillon, A. Bouquet, G. Coupinot, et al.. AgapeZ1: a Large Amplification Microlensing Event or an Odd Variable Star Towards the Inner Bulge of M31. Astronomy and Astrophysics - A&A, EDP Sciences, 1999, 344, pp.L49-L52. ⟨in2p3-00005123⟩

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