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A New 626 s Periodic X-ray Source in the Direction of the Galactic Center

Abstract:

Here we report the detection of a 626 s periodic modulation from the X-ray source 2XMM J174016.0-290337 located in the direction of the Galactic center. We present temporal and spectral analyses of archival XMM-Newton data and photometry of archived near-infrared data in order to investigate the nature of this source. We find that the X-ray light curve shows a strong modulation at 626 +/- 2 s with a confidence level > 99.9% and a pulsed fraction of 54%. Spectral fitting demonstrates that t...

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Publication status:
Published

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Publisher copy:
10.1051/0004-6361/201014074

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Role:
Author
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Journal:
ASTRONOMY and ASTROPHYSICS
Volume:
523
Issue:
3
Pages:
A50-A50
Publication date:
2010-08-25
DOI:
EISSN:
1432-0746
ISSN:
0004-6361
URN:
uuid:858abc15-d8bc-4ba3-b37b-5e83f99b4819
Source identifiers:
159129
Local pid:
pubs:159129
Language:
English
Keywords:

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