arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1709.01422astro-ph.HE
收藏

VHE gamma-ray复合材料SNR MSH 15-52与H.E.S.S

VHE gamma-ray study of the composite SNR MSH 15-52 with H.E.S.S

Michelle Tsirou, Yves Gallant, Roberta Zanin, Regis Terrier

摘要:

复合超新星遗迹MSH 15-52由PSR B1509-58的明亮X射线脉冲星风星云(PWN)组成,周围环绕着一个壳层,这是射电域中的一个突出物体。H.E.S.S.已经发现了扩展的甚高能量(VHE)伽马射线发射与PWN一致。再加上额外的高能量发射系统。自2005年发现论文以来进行的观测,我们更详细地研究了发射的性质。我们比较VHE伽马射线形态的PWN与同步辐射,从档案X射线观测,并讨论了在星云的磁场的影响。特别是,我们讨论了潜在的扩展伽马射线发射超出X射线PWN,这可能会允许的结论PWNe作为宇宙射线电子和正电子的来源的情况。

英文摘要:

The composite supernova remnant (SNR) MSH 15-52 comprises the bright X-ray pulsar wind nebula (PWN) of PSR B1509-58, surrounded by a shell which is a prominent object in the radio domain. H.E.S.S. had discovered extended very-high-energy (VHE) gamma-ray emission coincident with the PWN. With additional H.E.S.S. observations performed since the 2005 discovery paper, we study the properties of the emission in greater detail. We compare the VHE gamma-ray morphology of the PWN with that in synchrotron emission, obtained from archival X-ray observations, and discuss the implications on the magnetic field in the nebula. In particular, we discuss potential extended gamma-ray emission beyond the X-ray PWN, which may allow for conclusions on scenarios of PWNe as sources of cosmic ray electrons and positrons.

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。

↑