The X-ray emission of magnetars |
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| Authors: | I. F. Malov G. Z. Machabeli |
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| Affiliation: | (1) Pushchino Radio Astronomy Observatory, Astro Space Center of the Lebedev Physical Institute, Pushchino, Russia;(2) Abastumani Astrophysical Observatory, Abastumani, Tbilisi, Georgia |
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| Abstract: | It is shown that cyclotron radiation by electrons near the surface of a neutron star with a magnetic field of ～1012 G can easily provide the observed quiescent radiation of magnetars (Anomalous X-ray Pulsars and Soft Gamma-ray Repeaters). Pulsed emission is generated by the synchrotron mechanism at the periphery of the magnetosphere. Short-time-scale cataclysms on the neutron star could lead to flares of gamma-ray radiation with powers exceeding the power of the X-ray emission by a factor of 2γ2, where γ is the Lorentz factor of the radiating particles. It is shown that an electron cyclotron line with an energy of roughly 1 MeV should be generated in the magnetar model. The detection of this line would serve as confirmation of the correctness of this model. |
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