MAGIC and Fermi-LAT gamma-ray results on unassociated HAWC sources

被引：7
作者：
Ahnen, M. L. [1 ]
Ansoldi, S. [2 ,3 ,4 ,5 ,6 ,7 ]
Antonelli, L. A. [8 ]
Arcaro, C. [9 ,10 ]
Baack, D. [11 ]
Babic, A. [12 ,13 ,14 ,15 ,16 ]
Banerjee, B. [17 ]
Bangale, P. [18 ]
Barres de Almeida, U. [18 ,19 ]
Barrio, J. A. [20 ]
Becerra Gonzalez, J. [21 ,22 ]
Bednarek, W. [23 ]
Bernardini, E. [9 ,10 ,24 ,25 ]
Berse, R. Ch. [11 ]
Berti, A. [2 ,3 ,26 ]
Bhattacharyya, W. [24 ]
Biland, A. [1 ]
Blanch, O. [27 ,86 ]
Bonnoli, G. [28 ,29 ]
Carosi, R. [28 ,29 ]
Carosi, A. [8 ]
Ceribella, G. [18 ]
Chatterjee, A. [17 ]
Colak, S. M. [27 ]
Colin, P. [18 ]
Colombo, E. [21 ,22 ]
Contreras, J. L. [20 ]
Cortina, J. [27 ]
Covino, S. [8 ]
Cumani, P. [27 ]
Da Vela, P. [28 ,29 ]
Dazzi, F. [8 ]
De Angelis, A. [9 ,10 ]
De Lotto, B. [2 ,3 ]
Delfino, M. [27 ,30 ]
Delgado, J. [27 ]
Di Pierro, F. [9 ,10 ]
Dominguez, A. [20 ,100 ]
Prester, D. Dominis [12 ,13 ,14 ,15 ,16 ]
Dorner, D. [31 ]
Doro, M. [9 ,10 ]
Einecke, S. [11 ]
Elsaesser, D. [11 ]
Ramazani, V. Fallah [32 ,33 ,34 ]
Fernandez-Barra, A. [9 ,10 ,27 ]
Fidalgo, D. [20 ]
Fonseca, M. V. [20 ]
Font, L. [35 ,36 ]
Fruck, C. [18 ]
Galindo, D. [37 ]
机构：
[1] Swiss Fed Inst Technol, CH-8093 Zurich, Switzerland
[2] Univ Udine, I-33100 Udine, Italy
[3] INFN Trieste, I-33100 Udine, Italy
[4] Univ Tokyo, Japanese MAGIC Consortium ICRR, Chiba 2778582, Japan
[5] Kyoto Univ, Dept Phys, Kyoto 6068502, Japan
[6] Tokai Univ, Hiratsuka, Kanagawa 2591292, Japan
[7] Univ Tokushima, Tokushima 7708502, Japan
[8] Natl Inst Astrophys INAF, I-00136 Rome, Italy
[9] Univ Padua, I-35131 Padua, Italy
[10] INFN, I-35131 Padua, Italy
[11] Tech Univ Dortmund, D-44221 Dortmund, Germany
[12] Univ Rijeka, Croatian MAGIC Consortium, Rijeka, Croatia
[13] Univ Split, FESB, Split 21000, Croatia
[14] Univ Zagreb, FER, Zagreb 10000, Croatia
[15] Univ Osijek, Osijek 31000, Croatia
[16] Rudjer Boskovie Inst, Zagreb 10000, Croatia
[17] HBNI, Saha Inst Nucl Phys, 1-AF Bidhannagar,Sect 1, Kolkata 700064, India
[18] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany
[19] URCA, CBPF, BR-22290180 Rio De Janeiro, RJ, Brazil
[20] Univ Complutense, Unidad Particulas & Cosmol UPARCOS, E-28040 Madrid, Spain
[21] Inst Astrofis Canarias, E-38200 San Cristobal la Laguna, Spain
[22] Univ La Laguna, Dept Astrofis, E-38206 Tenerife, Spain
[23] Univ Lodz, Dept Astrophys, PL-902366 Lodz, Poland
[24] Deutsch Elekt Synchrotron DESY, D-15738 Zeuthen, Germany
[25] Humboldt UnivBerlin, Inst Phys, D-12489 Berlin, Germany
[26] Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy
[27] BIST, IFAE, E-08193 Bellaterra, Barcelona, Spain
[28] Univ Siena, I-53100 Siena, Italy
[29] INFN Pisa, I-53100 Siena, Italy
[30] PIC, E-08193 Bellaterra, Barcelona, Spain
[31] Univ Wurzburg, D-97074 Wurzburg, Germany
[32] Tuorla Observ, Finnish MAGIC Consortium, Vaisalantie 20, FI-21500 Piikkio, Finland
[33] Univ Turku, Finnish Ctr Astron ESO FINCA, Vaisalantie 20, FI-21500 Piikkio, Finland
[34] Univ Oulu, Astron Div, Pentti Kaiteran Katu 1, FI-90014 Oulu, Finland
[35] Univ Autonoma Barcelona, Dept Fis, E-08193 Bellaterra, Spain
[36] Univ Autonoma Barcelona, CERES IEEC, E-08193 Bellaterra, Spain
[37] Univ Barcelona, ICC, IEEC UB, E-08028 Barcelona, Spain
[38] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, BG-1784 Sofia, Bulgaria
[39] Univ Pisa, I-E56126 Pisa, Italy
[40] INFN Pisa, I-E56126 Pisa, Italy
[41] Los Alamos Natl Lab, Div Phys, Los Alamos, NM 87545 USA
[42] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 04510, DF, Mexico
[43] Univ Autonoma Chiapas, Tuxtla Gutierrez 29050, Chiapas, Mexico
[44] Univ Michoacana, Morelia 58040, Michoacan, Mexico
[45] Penn State Univ, Dept Phys, 104 Davey Lab, University Pk, PA 16802 USA
[46] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
[47] Univ Nacl Autonoma Mexico, Inst Astron, Mexico City 04510, DF, Mexico
[48] Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA
[49] Inst Nacl Astrofis Opt & Electr, Mexico City 72840, DF, Mexico
[50] Polish Acad Sci, Inst Nucl Phys, IFJPAN, PL-31342 Krakow, Poland
来源：
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2019年 / 485卷 / 01期
基金：
美国国家科学基金会; 瑞典研究理事会; 美国国家航空航天局;
关键词：
pulsars: general; gamma rays: general; astroparticle physics; TELESCOPE;
D O I：
10.1093/mnras/stz089
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The HAWC Collaboration released the 2HWC catalogue of TeV sources, in which 19 show no association with any known high-energy (HE; E greater than or similar to 10 GeV) or very-high-energy (VHE; E greater than or similar to 300 GeV) sources. This catalogue motivated follow-up studies by both the Major Atmospheric Gamma-ray Imaging Cherenkov (MAGIC) and Fermi-LAT (Large Area Telescope) observatories with the aim of investigating gamma-ray emission over a broad energy band. In this paper, we report the results from the first joint work between High Altitude Water Cherenkov (HAWC), MAGIC, and Fermi-LAT on three unassociated HAWC sources: 2HWC J2006+341, 2HWC J1907+084*, and 2HWC J1852+013*. Although no significant detection was found in the HE and VHE regimes, this investigation shows that a minimum 1 degrees extension (at 95 per cent confidence level) and harder spectrum in the GeV than the one extrapolated from HAWC results are required in the case of 2HWC J1852+013*, whilst a simply minimum extension of 0.16 degrees (at 95 per cent confidence level) can already explain the scenario proposed by HAWC for the remaining sources. Moreover, the hypothesis that these sources are pulsar wind nebulae is also investigated in detail.
引用
收藏
页码：356 / 366
页数：11
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