Searching for periodicities in the MACHO light curve of LMC X-2
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; Groot, P; Lehner, M J; Marshall, S L; McGowan, K E; Minniti, Dante; Nelson, C A; Peterson, Bruce; Popowski, P; Pratt, M; Quinn, Peter J; Sutherland, William J; Tomaney, A B; Vandehei, T; van Paradijs, J
Using the exceptional long-term monitoring capabilities of the MACHO project, we present here the optical history of LMC X-2 for a continuous 6-yr period. These data were used to investigate the previously claimed periodicities for this source of 8.15 h and 12.54 d: we find upper limits of 0.10 mag and 0.09 mag, respectively.
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|Source:||Monthly Notices of the Royal Astronomical Society|
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