Periodicity Search in the X-ray Data of RX J0007.0+7302 |
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| Authors: | Lupin C-C Lin Hsiang-Kuang Chang |
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| Institution: | (1) Department of Physics and Institute of Astronomy, National Tsing Hua University, Hsinchu, Taiwan |
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| Abstract: | Some unidentified EGRET sources have been reported to have probable X-ray counterparts. Periodicities in the X-ray data of
those sources, if found, may help to strengthen the identification and to reveal their nature. We performed a detailed search
of periodicities with a photon-counting method, the H-test, in the XMM and ASCA data of RX J0007.0+7302, which is the most probable X-ray counterpart to the EGRET source 3EG J0010+7309.
Although no periods with enough significance were found, a possible one, at 0.1275433± 0.0000001 s (MJD 52327.03399), is quite
intriguing based on results of cross-checking the two data sets. We suggest future analysis with other data to search the
vicinity of this period. |
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| Keywords: | stars: individual (RX J0007 0+7302 3EG J0010+7309) stars: neutron |
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