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Binary Microlensing Events from the MACHO Project

Alcock, Charles; Allsman, Robyn; Alves, David R; Axelrod, Tim; Baines, D; Becker, Andrew C; Bennett, D P; Bourke, A; Brakel, A; Cook, Kem H; Crook, B; Crouch, A; Dan, J; Drake, Andrew John; Fragile, P C; Freeman, Kenneth; Gal-Yam, Avishay; Geha, M; Gray, J; Griest, K; Gurtierrez, A; Heller, A; Howard, Judith A K; Johnson, B Ronald; Kaspi, S; Keane, Michael Andrew; Kovo, O; Leach, C; Leach, T; Leibowitz, E; Lehner, M J; Lipkin, Y; Maoz, D; Marshall, S L; Mcdowell, D; McKeown, S; Mendelson, H; Messenger, B; Minniti, Dante; Nelson, C A; Peterson, Bruce; Popowski, P; Pozza, E; Purcell, P; Pratt, M; Quinn, J M W; Quinn, Peter J; Rhie, S.; Rodgers, Alexander; Salmon, A; Shemmer, Ohad; Stetson, Peter B; Stubbs, Christopher W; Sutherland, William J; Thomson, S; Tomaney, A B; Vandehei, T; Walker, A; Ward, K; Wyper, G

Description

We present the light curves of 21 gravitational microlensing events from the first six years of the MACHO Project gravitational microlensing survey that are likely examples of lensing by binary systems. These events were manually selected from a total sample of ∼350 candidate microlensing events that were either detected by the MACHO Alert System or discovered through retrospective analyses of the MACHO database. At least 14 of these 21 events exhibit strong (caustic) features, and four of the...[Show more]

CollectionsANU Research Publications
Date published: 2000
Type: Journal article
URI: http://hdl.handle.net/1885/90541
Source: Astrophysical Journal, The

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