Magnetar-Like Emission from the Young Pulsar in Kes 75
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- 28 March 2008
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 319 (5871) , 1802-1805
- https://doi.org/10.1126/science.1153465
Abstract
We report the detection of magnetar-like x-ray bursts from the young pulsar PSR J1846–0258, at the center of the supernova remnant Kes 75. This pulsar, long thought to be exclusively rotation-powered, has an inferred surface dipolar magnetic field of 4.9 × 10 13 gauss, which is higher than those of the vast majority of rotation-powered pulsars, but lower than those of the approximately 12 previously identified magnetars. The bursts were accompanied by a sudden flux increase and an unprecedented change in timing behavior. These phenomena lower the magnetic and rotational thresholds associated with magnetar-like behavior and suggest that in neutron stars there exists a continuum of magnetic activity that increases with inferred magnetic field strength.Keywords
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