Searching for the orbital period of the ultraluminous X-ray source NGC 1313 X-2
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Open access
Authors
Zampieri, L.
Impiombato, D.
Falomo, R.
Grise', F.
Soria, Roberto
Date
2012Type
Journal Article
Metadata
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Zampieri, L. and Impiombato, D. and Falomo, R. and Grise', F. and Soria, R. 2012. Searching for the orbital period of the ultraluminous X-ray source NGC 1313 X-2. Monthly Notices of the Royal Astronomical Society. 419: pp. 1331-1337.
Source Title
Monthly Notices of the Royal Astronomical Society
ISSN
School
Curtin Institute of Radio Astronomy (Physics)
Remarks
This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society, ©: 2011, the authors and the Royal Astronomical Society. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.
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Abstract
We analysed the longest phase-connected photometric data set available for NGC 1313 X-2, looking for the ~6-day modulation reported by Liu et al.. The folded B-band light curve shows a ~6-day periodicity with a significance slightly larger than 3σ. The low statistical significance of this modulation, along with the lack of detection in the V band, makes its identification uncertain.