RXTE confirmation of the intermediate polar status of IGR J15094-6649

RXTE confirmation of the intermediate polar status of IGR J15094-6649
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IGR J15094-6649 中间极性状态的 RXTE 确认

DOI:
10.1051/0004-6361/200911725
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发表时间:
2009
影响因子:
6.5
通讯作者:
Butters O
Butters O
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Butters O

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AimsWe aim to establish the X-ray properties of the intermediate polar candidate IGR J15094–6649 and therefore confirm its inclusion into the class.Methods42 856 s of X-ray data fromRXTEwas analysed. Frequency analysis was used to constrain temporal variations and spectral analysis used to characterise the emission and absorption properties.ResultsA spin period of 809.7±0.6 s is present, revealed as a complex pulse profile whose modulation depth decreases with increasing X-ray energy. The spectrum is well fitted by either a 17±4 keV Bremsstrahlung orΓ= 1.8±0.1 power law, with an iron emission line feature and significant absorption in each case.ConclusionsIGR J15094–6649 is confirmed to be an intermediate polar.
中间极性 FO Aquarii 变化的 X 射线光变曲线
DOI: --
发表时间: 1998
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DOI: 10.1134/s1063773706030017
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