Butters, O. W.; Norton, A. J.; Hakala, P.; Mukai, K. and Barlow, E. J.
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|DOI (Digital Object Identifier) Link:||http://doi.org/10.1051/0004-6361:200809942|
|Google Scholar:||Look up in Google Scholar|
Aims. We determine the nature of the intermediate polar candidates XSS J00564+4548 , IGR J17195-4100 , and XSS J12270-4859 .
Methods. Pointed RXTE observations searched for intermediate polar characteristics in these candidate systems.
Results. XSS J00564+4548 exhibits a period of 465.68 ± 0.07 s, which we interpret as the spin period, an energy dependent modulation depth, and a spectrum that is fit by a 22 keV photoelectrically absorbed bremsstrahlung with an iron line profile. IGR J17195-4100 shows several candidate periodicities and a spectrum that is fit by a power law with an iron line. XSS J12270-4859 exhibits a candidate spin period of 859.57 ± 0.64 s and a spectrum that is fit by a power law with no evidence of an iron line.
Conclusions. XSS J00564+4548 is confirmed to be an intermediate polar. IGR J17195-4100 and XSS J12270-4859 both show some properties of intermediate polars, but cannot be confirmed as definite members of the class here.
|Item Type:||Journal Article|
|Copyright Holders:||2008 ESO|
|Keywords:||close binaries; novae; cataclysmic variables; X-ray binaries|
|Academic Unit/Department:||Science > Physical Sciences
|Interdisciplinary Research Centre:||Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)|
|Depositing User:||Astrid Peterkin|
|Date Deposited:||14 Aug 2008 14:59|
|Last Modified:||23 Feb 2016 21:02|
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