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arXiv 0809.1169astro-ph
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AE宝瓶座:自旋动力双星家族中的第一颗白矮星

AE Aquarii: The first white dwarf in the family of spin-powered pulsars

N. R. Ikhsanov, N. G. Beskrovnaya

摘要:

对类新星宝瓶座AE星的多普勒H-α断层图像的模拟表明,白矮星的偶极磁矩接近1.5 E +34 G cm ^3。这与观测到的该系统圆偏振光辐射得出的白矮星磁场强度下限是一致的。白矮星的快速制动和最近用SUZAKU空间望远镜在这些条件下探测到的脉冲硬X射线发射的性质可以用自旋动力脉冲星机制来解释。然而,关于该系统中强磁化白矮星的起源问题仍然悬而未决。简要讨论了宝瓶座AE的可能演化轨迹。

英文摘要:

Simulation of Doppler H-alpha tomogram of the nova-like star AE Aquarii suggests that the dipole magnetic moment of the white dwarf is close to 1.5E+34 G cm^3. This is consistent with the lower limit to the magnetic field strength of the white dwarf derived from observations of circularly polarized optical emission of the system. The rapid braking of the white dwarf and the nature of pulsing hard X-ray emission recently detected with SUZAKU space telescope under these conditions can be explained in terms of spin-powered pulsar mechanism. A question about the origin of strongly magnetized white dwarf in the system remains, however, open. Possible evolutionary tracks of AE Aquarii are briefly discussed.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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