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Anomalous X-ray pulsar : ウィキペディア英語版 | Anomalous X-ray pulsar Anomalous X-ray Pulsars (AXPs) are now widely believed to be magnetars—young, isolated, highly magnetized neutron stars. These energetic X-ray pulsars are characterized by slow rotation periods of ~2–12 seconds and large magnetic fields of ~1013–1015 gauss (1 to 100 gigateslas). There are currently () 9 known and 1 candidate AXPs.〔(SGR/AXP Online Catalog ) (An online catalog of SGR/AXP properties maintained by the pulsar group at McGill University)〕 The identification of AXPs with magnetars was motivated by their similarity to another enigmatic class of sources, the soft gamma repeaters. == References ==
*(Chryssa Kouveliotou, Robert C. Duncan, and Christopher Thompson, "Magnetars," Scientific American, Feb. 2003, p. 41 ) (PDF)
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