PSR J0737-3039B：射电脉冲星发射高度探测器
PSR J0737-3039B: A probe of radio pulsar emission heights
摘要：
在双脉冲星系统PSR J 0737 - 3039 A/B中，脉冲星A产生的强风使脉冲星B的磁层发生畸变。这些扭曲对脉冲星B的轨道相关发射特性的影响可以用来确定脉冲星磁层中相干射电发射产生区域的位置。利用脉冲星B的风畸变磁层模型和系统的明确几何参数，我们确定了在两个亮轨道经度区域内的最小发射高度为~ 20个中子星半径。我们可以通过使用Dungey的解析磁重联模型和Tsyganenko的半经验数值模型来计算极磁力线相对于磁轴的偏转量，从而确定最大发射高度。这两个模型都估计最大发射高度约为2500中子星半径。我们计算的最小和最大发射高度与正常孤立星系的估计值一致。
英文摘要：
In the double pulsar system PSR J0737-3039A/B the strong wind produced by pulsar A distorts the magnetosphere of pulsar B. The influence of these distortions on the orbital-dependent emission properties of pulsar B can be used to determine the location of the coherent radio emission generation region in the pulsar magnetosphere. Using a model of the wind-distorted magnetosphere of pulsar B and the well defined geometrical parameters of the system, we determine the minimum emission height to be ~ 20 neutron star radii in the two bright orbital longitude regions. We can determine the maximum emission height by accounting for the amount of deflection of the polar field line with respect to the magnetic axis using the analytical magnetic reconnection model of Dungey and the semi-empirical numerical model of Tsyganenko. Both of these models estimate the maximum emission height to be ~ 2500 neutron star radii. The minimum and maximum emission heights we calculate are consistent with those estimated for normal isolated pulsars.
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