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NEW CONSTRAINTS ON NEUTRON STAR COOLING FROM CHANDRA OBSERVATIONS OF 3C 58

机译:从3C 58的钱德拉观测到中子星冷却的新约束

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摘要

3C 58 is a young Crab-like supernova remnant. Historical evidence strongly suggests an association of the remnant with supernova SN 1181, which would make 3C 58 younger than the Crab Nebula. Recent Chandra observations have identified the young 65 ms pulsar J0205+6449 at its center, embedded in a compact nebula that, as we show here, appears to be confined by the pulsar wind termination shock. We present new Chandra observations of this compact nebula and the embedded pulsar that set strong upper limits on the thermal emission originating from the neutron star surface. These limits fall far below predictions of standard neutron star cooling, requiring the presence of exotic cooling processes in the neutron star core.
机译:3C 58是年轻的蟹状超新星遗迹。历史证据强烈表明,残留物与超新星SN 1181有关,这会使3C 58比蟹状星云年轻。钱德拉(Chandra)最近的观测发现,年轻的65毫秒脉冲星J0205 + 6449位于其中心,嵌在一个紧凑的星云中,正如我们在此处显示的那样,它似乎受到脉冲星风终止冲击的限制。我们介绍了这个紧凑星云和嵌入式脉冲星的新Chandra观测结果,这些观测值对源自中子星表面的热辐射设定了严格的上限。这些限制远远低于标准中子星冷却的预测,要求在中子星核中存在奇特的冷却过程。

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