Maser mechanism of optical pulsations from anomalous X-ray pulsar 4U0142+61

Details Maser mechanism of optical pulsations from anomalous X-ray pulsar 4U0142+61 Maser mechanism of optical pulsations from anomalous X-ray pulsar 4U0142+61

2004-08-09

arxiv.org/abs/astro-ph/0408143v2

Astronomy and Astrophysics

Astrophysics

18pages,LaTeX2e, accetpetd for publication in MNRAS

Scientific paper

10.1111/j.1365-2966.2004.08279.x

A maser curvature emission mechanism in the presence of curvature drift is used to explain the optical pulsations from anomalous X-ray pulsars. For the source of AXP0142+61,the optical pulsation occurs at the radial distance $R(\nu_M)\sim 4.75\times 10^9$ cm to the neutron star. The corresponding curvature maser frequency is about $\nu_M\approx1.39\times 10^{14}$ Hz. The result is consistent with the observation of the optical pulsations from the anomalous X-ray pulsar 4U0142+61.

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