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The strongest cosmic magnets: Soft Gamma-ray Repeaters and Anomalous X-ray Pulsars

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arxiv 0804.0250 v1 pith:QM22PTWS submitted 2008-04-01 astro-ph

Sandro Mereghetti (INAF - IASF Milano) This is my paper · ORCID
classification astro-ph
keywords pulsarsx-rayanomalousclassesgamma-rayneutronobjectsrepeaters
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Two classes of X-ray pulsars, the Anomalous X-ray Pulsars and the Soft Gamma-ray Repeaters, have been recognized in the last decade as the most promising candidates for being magnetars: isolated neutron stars powered by magnetic energy. I review the observational properties of these objects, focussing on the most recent results, and their interpretation in the magnetar model. Alternative explanations, in particular those based on accretion from residual disks, are also considered. The possible relations between these sources and other classes of neutron stars and astrophysical objects are also discussed.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. General-relativistic resistive-magnetohydrodynamics simulations of self-consistent magnetized rotating neutron stars

    astro-ph.HE 2024-09 unverdicted novelty 8.0 of 10

    Resistive GRMHD simulations of rotating neutron stars show resistivity changes magnetic field geometries, suppresses instabilities, and lowers GW emission amplitude while maintaining a consistent 9:1 poloidal-to-toroi...

  2. Impact of rotation on magnetic field stability and orientation in isolated neutron stars

    astro-ph.HE 2025-08 conditional novelty 5.0 of 10

    In 3D GRMHD simulations, neutron star rotation delays Tayler, kink, and Parker instabilities, so faster-spinning models retain more magnetic energy over 10 Alfven times.

  3. Search for transient gamma-ray emission from magnetar flares using Fermi-LAT

    astro-ph.HE 2024-12 conditional novelty 4.0 of 10

    A Fermi-LAT search around 15 magnetar flares yields mostly null results, with one 4.4-sigma candidate from 1E 1048.1-5937 that may be galactic diffuse contamination.

  4. Physics of Strong Magnetism with eXTP

    astro-ph.HE 2025-06 unverdicted novelty 3.0 of 10

    The eXTP mission's planned instruments would enable more sensitive X-ray polarization and timing observations of magnetars and accreting pulsars, potentially testing vacuum birefringence and probing magnetic field structures.

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