The second H.E.S.S. gamma-ray burst catalogue: 15 years of observations with the H.E.S.S. telescopes
University of Southern Denmark(南丹麦大学);Dublin Institute for Advanced Studies(都柏林高等研究院);Max-Planck-Institut für Kernphysik(马克斯·普朗克核物理研究所);INFN Sezione di Padova(帕多瓦国家核物理研究所分部);Laboratoire Leprince-Ringuet, École Polytechnique, CNRS, Institut Polytechnique de Paris(巴黎理工学院勒普林斯-林格特实验室(CNRS));École Polytechnique(巴黎综合理工学院);Institut Polytechnique de Paris(巴黎理工学院);University of Namibia(纳米比亚大学);Centre for Space Research, North-West University(西北大学太空研究中心);Deutsches Elektronen-Synchrotron DESY(德国电子同步辐射中心);Universität Potsdam(波茨坦大学);Université Paris Cité(巴黎西岱大学);Linnaeus University(林雪平大学)
A. Acharyya, F. Aharonian, C. Arcaro, H. Ashkar, M. Backes, V. Barbosa Martins, R. Batzofin, Y. Becherini, D. Berge, K. Bernlöhr, M. Böttcher, C. Boisson, J. Bo… 展开作者
A. Acharyya, F. Aharonian, C. Arcaro, H. Ashkar, M. Backes, V. Barbosa Martins, R. Batzofin, Y. Becherini, D. Berge, K. Bernlöhr, M. Böttcher, C. Boisson, J. Bolmont, J. Borowska, F. Brun, B. Bruno, C. Burger-Scheidlin, S. Casanova, J. Celic, M. Cerruti, S. Chandra, A. Chen, M. Chernyakova, J. O. Chibueze, O. Chibueze, T. Collins, B. Cornejo, G. Cotter, J. Damascene Mbarubucyeye, I. D. Davids, J. de Assis Scarpin, M. de Bony de Lavergne, M. de Naurois, E. de Oña Wilhelmi, A. G. Delgado Giler, J. Devin, A. Djannati-Ataï, J. Djuvsland, A. Dmytriiev, K. Egberts, K. Egg, J. -P. Ernenwein, C. Escañuela Nieves, M. D. Filipovic, G. Fontaine, S. Funk, S. Gabici, Y. A. Gallant, M. Genaro, J. F. Glicenstein, J. Glombitza, M. -H. Grondin, L. Heckmann, B. Heß, J. A. Hinton, W. Hofmann, T. L. Holch, M. Holler, D. Horns, Z. Huang, M. Jamrozy, F. Jankowsky, I. Jaroschewski, D. Jimeno Sanchez, I. Jung-Richardt, E. Kasai, K. Kasprzak, K. Katarzyński, D. Kerszberg, B. Khélifi, W. Kluzniak, N. Komin, K. Kosack, D. Kostunin, R. G. Lang, S. Lazarević, M. Lemoine-Goumard, J. -P. Lenain, P. Liniewicz, A. Luashvili, J. Mackey, D. Malyshev, D. Malyshev, V. Marandon, M. Mayer, A. Mehta, A. Mikhno, A. M. W. Mitchell, R. Moderski, M. O. Moghadam, L. Mohrmann, A. Montanari, E. Moulin, J. Niemiec, P. O'Brien, L. Olivera-Nieto, S. Panny, M. Panter, R. D. Parsons, U. Pensec, P. Pichard, S. Pita, G. Pühlhofer, M. Punch, A. Quirrenbach, M. Regeard, A. Reimer, O. Reimer, I. Reis, H. Ren, B. Reville, F. Rieger, G. Rowell, B. Rudak, E. Ruiz-Velasco, K. Sabri, V. Sahakian, H. Salzmann, D. A. Sanchez, A. Santangelo, M. Sasaki, F. Schüssler, M. Senniappan, J. N. S. Shapopi, W. Si Said, H. Sol, S. Spencer, Ł. Stawarz, S. Steinmassl, T. Tanaka, A. M. Taylor, G. L. Taylor, R. Terrier, M. Tsirou, T. Unbehaun, C. van Eldik, M. Vecchi, C. Venter, J. Vink, T. Wach, S. J. Wagner, A. Wierzcholska, M. Zacharias, A. A. Zdziarski, W. Zhong, S. J. Zhu, A. Zech
Recent observational efforts using imaging atmospheric Cherenkov telescopes (IACTs) have led to firm detections of very-high-energy (VHE) signals from bright gamma-ray bursts (GRBs), often at moderate redshifts. This work presents 15 years of H.E.S.S. GRB observations and examines their implications through population comparisons and selected modelling cases. GRBs are a key science target of the High Energy Stereoscopic System (H.E.S.S.). With a low-energy threshold ($\lesssim$100 GeV) and rapid repointing capabilities, H.E.S.S. can begin follow-up observations within tens of seconds after a GRB trigger, covering the late prompt or early afterglow phases. We report GRB follow-up observations with H.E.S.S. from 2004 to 2019, which resulted in no significant VHE signals (aside from the detections of GRB~180720B and GRB~190829A). The resulting upper limits comprise the largest set available for GRBs at VHE. A subset of bursts with favourable conditions were selected for X-ray analysis and emission modelling. Population studies were performed to compare detected and non-detected GRBs. The results indicate that VHE-detected GRBs are not a distinct population, but tend to feature luminous X-ray emission and favourable redshift and observing conditions. This highlights the potential of next-generation IACTs such as the Cherenkov Telescope Array Observatory (CTAO), whose lower energy threshold will enhance the detection of fainter and more distant GRBs.
CRAFT HTR2: Polarimetry of 64 non-repeating fast radio bursts from the updated CRAFT catalogue
Swinburne University of Technology(斯威本科技大学);University of Edinburgh(爱丁堡大学);Curtin University(科廷大学);University of Cape Town(开普敦大学);ASTRON, Netherlands Institute for Radio Astronomy(荷兰射电天文研究所)
费米伽马射线太空望远镜(英语:Fermi Gamma-ray Space Telescope)的大面积望远镜(英语:Large Area Telescope)是一个对转换望远镜,对超过40个能量十年的伽马射线敏感,介于20 MeV和300 GeV之间。LAT与伽马射线暴监测器(GBM)-任务上的另一种仪器-协同作用,在研究伽马射线暴(GRB)方面,在光谱覆盖范围、有效面积和仪器死时间方面具有前所未有的灵敏度。我们将回顾GRB的Fermi-LAT观测的主要结果,介绍GeV能区GRB的主要性质。
Constraints on the Physical Association between ICECAT1 Neutrinos and Fast Radio Bursts Using the Second CHIME/FRB Catalogue
The University of Tokyo(东京大学);National Astronomical Observatory of Japan(日本国立天文台);Mizusawa VLBI Observatory, National Astronomical Observatory of Japan(水泽甚长基线干涉测量观测站,日本国立天文台);Department of Physics, National Chung Hsing University(国立中兴大学物理学系);SOKENDAI(综合研究大学院大学);Tohoku University(东北大学);Frontier Research Institute for Interdisciplinary Sciences, Tohoku University(东北大学跨学科前沿研究院);Astronomical Institute, Graduate School of Science, Tohoku University(东北大学理学研究科天文学研究所)
Semi-supervised morphological classification of fast radio bursts from the second CHIME/FRB catalogue
Dunlap Institute for Astronomy and Astrophysics, University of Toronto(多伦多大学邓普天文学与天体物理研究所);David A. Dunlap Department for Astronomy and Astrophysics, University of Toronto(多伦多大学大卫·A·邓普天文学与天体物理系);Department of Statistical Sciences, University of Toronto(多伦多大学统计科学系)