publication . Other literature type . Article . Preprint . 2018

The rotational phase dependence of magnetar bursts

Anna L. Watts; Daniela Huppenkothen; Daniela Huppenkothen; C. Elenbaas;
Open Access
  • Published: 06 Feb 2018
  • Publisher: Oxford University Press (OUP)
Abstract
The trigger for the short bursts observed in $\gamma$-rays from many magnetar sources remains unknown. One particular open question in this context is the localization of burst emission to a singular active region or a larger area across the neutron star. While several observational studies have attempted to investigate this question by looking at the phase dependence of burst properties, results have been mixed. At the same time, it is not obvious a priori that bursts from a localized active region would actually give rise to a detectable phase-dependence, taking into account issues such as geometry, relativistic effects, and intrinsic burst properties such bri...
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doi: 10.1093/mnras/sty321
handle: 11245.1/06e44fb1-0e45-4c2c-9b4b-121016cd094b
Subjects
arXiv: Astrophysics::High Energy Astrophysical Phenomena
free text keywords: stars: magnetars, magnetic fields, gamma-rays: stars, X-rays: bursts, Space and Planetary Science, Astronomy and Astrophysics, Astrophysics - High Energy Astrophysical Phenomena, Relativistic quantum chemistry, Astrophysics, Physics, Neutron star, Brightness, Magnetic field, Observer (quantum physics), Phase dependence, Spin-½, Magnetar
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