脉冲发射的频率无关猝灭
Frequency independent quenching of pulsed emission
摘要：
本文报道了对三颗星B 0031 -07、B 0809 +74和B2319+60在313、607、1380和4850 MHz四个不同频率上的同步观测结果。所识别的空脉冲和猝发脉冲在超过十年的频率上高度并发。观察到一小部分非并发脉冲（小于或等于3%），其中大部分发生在过渡实例。我们的报告，具有非常高的意义的第一次，在这三个天线的零现象的全宽带性质。这些结果表明，零调用全球磁层尺度的变化。
英文摘要：
Simultaneous observations at four different frequencies viz. 313, 607, 1380 and 4850 MHz, for three pulsars, PSRs B0031-07, B0809+74 and B2319+60, are reported in this paper. Identified null and burst pulses are highly concurrent across more than decade of frequency. Small fraction of non-concurrent pulses (less than or equal to 3%) are observed, most of which occur at the transition instances. We report, with very high significance for the first time, full broadband nature of the nulling phenomenon in these three pulsars. These results suggest that nulling invokes changes on the global magnetospheric scale.
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