用H.E.S.S.探测杰明加脉冲星周围扩展的TeV辐射

Proceedings of 37th International Cosmic Ray Conference — PoS(ICRC2021) Pub Date : 2021-08-05 DOI:10.22323/1.395.0780

A. Mitchell, S. Caroff, J. Hinton, L. Mohrmann, H. Abdalla, F. Aharonian, F. Ait-Benkhali, O. Anguener, C. Arcaro, C. Armand, T. Armstrong, H. Ashkar, Michael Backes, V. Baghmanyan, V. Barbosa Martins, A. Barnacka, M. Barnard, R. Batzofin, Y. Becherini, D. Berge, K. Bernloehr, B. Bi, Markus Boettcher, C. Boisson, J. Bolmont, Mathieu Bony (de), M. Breuhaus, R. Brose, F. Brun, T. Bulik, T. Bylund, F. Cangemi, S. Casanova, J. Catalano, P. Chambéry, T. Chand, A. Chen, G. Cotter, Malgorzata Curlo, H. Dalgleish, J. Damascene Mbarubucyeye, I. Davids, James O. J. Davies, J. Devin, A. Djannati-Ataï, A. Dmytriiev, A. Donath, V. Doroshenko, L. Dreyer, L. du Plessis, Connor V. Duffy, K. Egberts, S. Einecke, J. Ernenwein, S. Fegan, K. Feijen, A. Fiasson, G. Fichet de Clairfontaine, G. Fontaine, Lott Frans, M. Fuessling, S. Funk, S. Gabici, Y. Gallant, G. Giavitto, L. Giunti, D. Glawion, J. Glicenstein, M. Grondin, S. Hattingh, M. Haupt, G. Hermann, W. Hofmann, C. Hoischen, T. Holch, M. Holler, D. Horns, Zhiqiu Huang,

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引用次数: 4

摘要

在Geminga脉冲星周围高度扩展的伽马射线辐射是由Milagro发现并由HAWC验证的。尽管使用成像大气切伦科夫望远镜(IACTs)进行了许多观测，但在超过IACT视场的角度尺度上探测伽马射线发射被证明是具有挑战性的。分析技术的最新发展已经能够在档案数据中检测到Geminga周围的显着排放。2019年，通过调整后的观测策略，获得了关于杰明加地区的进一步数据。在宣布在档案数据中检测到Geminga周围的显著TeV辐射之后，在本文中，我们在一个独立的数据集中提出了检测结果。将介绍新的分析结果，并强调用IACTs观测高度扩展的伽马射线发射所涉及的技术挑战。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Detection of extended TeV emission around the Geminga pulsar with H.E.S.S.

Highly extended gamma-ray emission around the Geminga pulsar was discovered by Milagro and veriﬁed by HAWC. Despite many observations with Imaging Atmospheric Cherenkov Telescopes (IACTs), detection of gamma-ray emission on angular scales exceeding the IACT ﬁeld-of-view has proven challenging. Recent developments in analysis techniques have enabled the detection of signiﬁcant emission around Geminga in archival data with H.E.S.S.. In 2019, further data on the Geminga region were obtained with an adapted observation strategy. Following the announcement of the detection of signiﬁcant TeV emission around Geminga in archival data, in this contribution we present the detection in an independent dataset. New analysis results will be presented, and emphasis given to the technical challenges involved in observations of highly extended gamma-ray emission with IACTs.

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Proceedings of 37th International Cosmic Ray Conference — PoS(ICRC2021)

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