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arXiv · 1008.1537

Modeling the broadband persistent emission of magnetars

Silvia Zane·Roberto Turolla·Luciano Nobili·Nanda Rea
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Abstract

In this paper, we discuss our first attempts to model the broadband persistent emission of magnetars within a self consistent, physical scenario. We present the predictions of a synthetic model that we calculated with a new Monte Carlo 3-D radiative code. The basic idea is that soft thermal photons (e.g. emitted by the star surface) can experience resonant cyclotron upscattering by a population of relativistic electrons threated in the twisted magnetosphere. Our code is specifically tailored to work in the ultra-magnetized regime; polarization and QED effects are consistently accounted for, as well different configurations for the magnetosphere. We discuss the predicted spectral properties in the 0.1-1000 keV range, the polarization properties, and we present the model application to a sample of magnetars soft X-ray spectra.

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Silvia Zane, Roberto Turolla, Luciano Nobili, Nanda Rea. 2010-08-09. Modeling the broadband persistent emission of magnetars. https://doi.org/10.1016/j.asr.2010.08.003

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