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X-ray Data Analysis to Search for Magnetar Candidates in the Galactic Plane
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저자
Park, Woochan
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저널명
The Korean Space Science Society
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발행년도
2018
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권호
V .35, N .3
- 원문보기
We report on our Galactic plane searches for magnetars in the archival Chandra X-ray Observatory (CXO) data. We summarize the properties of known magnetars and use them to establish a procedure for magnetar searches. The procedure includes four steps: source finding, spectral characterization, optical counterpart checks, and period searches. We searched 1,282 archival CXO observations, found 32,838 X-ray sources, and selected 25 intriguing candidates using the developed procedure. Although we do not firmly identify a magnetar among them, we significantly reduced the number of targets in future magnetar searches to be done with better X-ray telescopes.