Artist's impression of a magnetar
Date: 12 Apr 2012 A new, comprehensive study of the magnetar 1E 1547.0-5408 (see Kuiper et al., 2012), using data from INTEGRAL, RXTE and Swift, revealed unusual behaviour - the creation of both pulsed and unpulsed luminous non-thermal X-ray emission after a star quake. This is consistent with a model (Beloborodov, 2009) in which a star quake twists magnetic field lines that are anchored to the star's surface. When these twisted lines unravel they release magnetic energy and produce the observed radiation. In this illustration, the curves converging at the poles of the magnetar represent the dipolar magnetic field lines; the entangled lines inside the magnetar symbolise the internal magnetic field.
Last Update: 12 Apr 2012
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