Detection of X-ray periodicity from a new eclipsing polar candidate XGPS-I J183251-100106

C. Y. Hui; K. A. Seo; C. P. Hu; L. C.C. Lin; Y. Chou

doi:10.1088/0004-637X/759/2/109

Detection of X-ray periodicity from a new eclipsing polar candidate XGPS-I J183251-100106

C. Y. Hui, K. A. Seo, C. P. Hu, L. C.C. Lin, Y. Chou

Graduate Institute of Astronomy

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Abstract

We report the results from a detailed analysis of an archival XMM-Newton observation of the X-ray source XGPS-I J183251-100106, which has been suggested as a promising magnetic cataclysmic variable (CV) candidate based on its optical properties. A single periodic signal of 1.5 hr is detected from all EPIC instruments on board XMM-Newton. The phase-averaged X-ray spectrum can be well modeled with a thermal bremsstrahlung temperature of kT 50 keV. Both the X-ray spectral and temporal behavior of this system suggest that it is an eclipsing CV of the AM Herculis (or polar) type.

Original language	English
Article number	109
Journal	Astrophysical Journal
Volume	759
Issue number	2
DOIs	https://doi.org/10.1088/0004-637X/759/2/109
State	Published - 10 Nov 2012

Keywords

X-rays: stars
stars: individual (XGPS-I J183251-100106, 2XMM J183251.4-100106)

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10.1088/0004-637X/759/2/109

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title = "Detection of X-ray periodicity from a new eclipsing polar candidate XGPS-I J183251-100106",

abstract = "We report the results from a detailed analysis of an archival XMM-Newton observation of the X-ray source XGPS-I J183251-100106, which has been suggested as a promising magnetic cataclysmic variable (CV) candidate based on its optical properties. A single periodic signal of 1.5 hr is detected from all EPIC instruments on board XMM-Newton. The phase-averaged X-ray spectrum can be well modeled with a thermal bremsstrahlung temperature of kT 50 keV. Both the X-ray spectral and temporal behavior of this system suggest that it is an eclipsing CV of the AM Herculis (or polar) type.",

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T1 - Detection of X-ray periodicity from a new eclipsing polar candidate XGPS-I J183251-100106

AU - Hui, C. Y.

AU - Seo, K. A.

AU - Hu, C. P.

AU - Lin, L. C.C.

AU - Chou, Y.

PY - 2012/11/10

Y1 - 2012/11/10

N2 - We report the results from a detailed analysis of an archival XMM-Newton observation of the X-ray source XGPS-I J183251-100106, which has been suggested as a promising magnetic cataclysmic variable (CV) candidate based on its optical properties. A single periodic signal of 1.5 hr is detected from all EPIC instruments on board XMM-Newton. The phase-averaged X-ray spectrum can be well modeled with a thermal bremsstrahlung temperature of kT 50 keV. Both the X-ray spectral and temporal behavior of this system suggest that it is an eclipsing CV of the AM Herculis (or polar) type.

AB - We report the results from a detailed analysis of an archival XMM-Newton observation of the X-ray source XGPS-I J183251-100106, which has been suggested as a promising magnetic cataclysmic variable (CV) candidate based on its optical properties. A single periodic signal of 1.5 hr is detected from all EPIC instruments on board XMM-Newton. The phase-averaged X-ray spectrum can be well modeled with a thermal bremsstrahlung temperature of kT 50 keV. Both the X-ray spectral and temporal behavior of this system suggest that it is an eclipsing CV of the AM Herculis (or polar) type.

KW - X-rays: stars

KW - stars: individual (XGPS-I J183251-100106, 2XMM J183251.4-100106)

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DO - 10.1088/0004-637X/759/2/109

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Detection of X-ray periodicity from a new eclipsing polar candidate XGPS-I J183251-100106

Abstract

Keywords

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