Searching for periodicities in the MACHO light curve of LMC X-2

Searching for periodicities in the MACHO light curve of LMC X-2

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...

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Veröffentlicht in:Monthly notices of the Royal Astronomical Society 2000-08, Vol.316 (4), p.729-733
Hauptverfasser: Alcock, C., Allsman, R. A., Alves, D. R., Axelrod, T. S., Becker, A. C., Bennett, D. P., Charles, P. A., Cook, K. H., Drake, A. J., Freeman, K. C., Geha, M., Griest, K., Groot, P., Lehner, M. J., Marshall, S. L., McGowan, K. E., Minniti, D., Nelson, C. A., Peterson, B. A., Popowski, P., Pratt, M. R., Quinn, P. J., Sutherland, W., Tomaney, A. B., Vandehei, T., van Paradijs, J.
Format: Artikel
Sprache:eng
Schlagworte:
binaries: close
stars: individual: LMC X-2
X-rays: stars
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Zusammenfassung: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.
ISSN:0035-8711
1365-2966
DOI:10.1046/j.1365-8711.2000.03511.x