一种确定类星体旋转数的算法
An algorithm for determining the rotation count of pulsars
摘要：
我们在这里提出了一个简单的，系统的方法来确定正确的全球旋转计数的射电脉冲星，一个准确的相位相干星历的推导的重要步骤。然后，我们建立在这种方法的基础上，开发了一种新的算法，用于确定全球旋转计数的稀疏定时数据集的卫星。这使得有可能获得相位相干星历表的天文卫星，这一直是不可能的，直到现在。作为一个例子，我们这样做的PSR J 0024 - 7205 aa，一个非常微弱的MSP最近发现的球状星团47图克卡蒙。这种算法有可能大大减少观测次数和跟踪新脉冲星发现所需的望远镜时间。
英文摘要：
We present here a simple, systematic method for determining the correct global rotation count of a radio pulsar; an essential step for the derivation of an accurate phase-coherent ephemeris. We then build on this method by developing a new algorithm for determining the global rotational count for pulsars with sparse timing data sets. This makes it possible to obtain phase-coherent ephemerides for pulsars for which this has been impossible until now. As an example, we do this for PSR J0024-7205aa, an extremely faint MSP recently discovered in the globular cluster 47 Tucanae. This algorithm has the potential to significantly reduce the number of observations and the amount of telescope time needed to follow up on new pulsar discoveries.
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