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A 421-d Activity Cycle in the BeX Recurrent Transient A0538-66 from MACHO Monitoring

Alcock, Charles; Allsman, Robyn; Alves, David R; Axelrod, Tim; Becker, Andrew C; Bennett, D P; Charles, P A; Cook, Kem H; Drake, Andrew J; Freeman, Kenneth; Geha, M; Griest, K; Lehner, M J; Marshall, S L; McGowan, K E; Minniti, Dante; Nelson, C A; Peterson, Bruce; Popowski, P; Pratt, M; Quinn, Peter J; Stubbs, Christopher W; Sutherland, William J; Tomaney, A B; Vandehei, T; Welch, D L


We present a ∼5-yr optical light curve of the recurrent Be/X-ray transient A0538-66 obtained as a by-product of the MACHO Project. These data reveal both a long-term modulation at P = 420.8 ± 0.8 d and a short-term modulation at 16.6510 ± 0.0022 d whi

CollectionsANU Research Publications
Date published: 2001
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1046/j.1365-8711.2001.04041.x


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