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Wiley, Monthly Notice- Royal Astronomical Society -Letters-, p. no-no

DOI: 10.1111/j.1745-3933.2010.00885.x

Wiley, Monthly Notice- Royal Astronomical Society -Letters-, 1(399), p. L113-L117

DOI: 10.1111/j.1745-3933.2009.00737.x

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The orbital period in the supergiant fast X-ray transient IGR J16465−4507

Journal article published in 2010 by D. J. Clark, V. Sguera ORCID, A. J. Bird, V. A. McBride, A. B. Hill, S. Scaringi, S. Drave, A. Bazzano, A. J. Dean
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

Timing analysis of the INTEGRAL-IBIS and Swift-BAT light curves of the supergiant fast X-ray transient (SFXT) IGR J16465-4507 has identified a period of 30.32 +/- 0.02 d which we interpret as the orbital period of the binary system. In addition 11 outbursts (nine of which are previously unpublished) have been found between MJD 52652 and 54764, all of which occur close to the region of the orbit we regard as periastron. From the reported flux outbursts, we found a dynamical range in the interval ~30-80. Although in this regard IGR J16465-4507 cannot be considered a classical SFXT for which typical dynamical ranges are >100, still our reported values are significantly greater than that of classical persistent variable supergiant HMXBs (