Very-High Energy Gamma-Ray Flux Limits for Nearby Active Galactic Nuclei

被引:0
|
作者
Herr, T. [1 ]
Hofmann, W. [1 ]
机构
[1] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany
来源
HIGH ENERGY GAMMA-RAY ASTRONOMY | 2009年 / 1085卷
关键词
Gamma-ray astronomy; Active galactic nuclei; COSMIC-RAYS; ASTRONOMY;
D O I
暂无
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Combining the results of targeted observations, H.E.S.S. has accumulated a large amount of extra-galactic exposure at TeV energies. Due to its large field of view a considerable part of the sky (0.6 sr) has been observed with high sensitivity outside the targeted observation positions. Since this exposure region contains little inherent bias, it is well suited for studies of extra-galactic source populations. Given the correlation between ultra-high energy cosmic rays and nearby extra-galactic objects recently claimed by the Auger collaboration, this unbiased sky sample by H.E.S.S. is of interest since it includes (besides the targeted sources) 63 AGN within 100 Mpc, for which very-high energy gamma-ray flux limits are derived.
引用
收藏
页码:648 / 651
页数:4
相关论文
共 50 条
  • [21] Prospective study on observations of gamma-ray emission from active galactic nuclei using the HADAR experiment
    Qian, Xiang-Li
    Sun, Hui-Ying
    Chen, Tian-Lu
    Danzengluobu
    Feng, You-Liang
    Qi, Gao
    Gou, Quan-Bu
    Guo, Yi-Qing
    Hu, Hong-Bo
    Kang, Ming-Ming
    Li, Hai-Jin
    Cheng, Liu
    Liu, Mao-Yuan
    Wei, Liu
    Qiao, Bing-Qiang
    Xu, Wang
    Zhen, Wang
    Xin, Guang-Guang
    Yao, Yu-Hua
    Qiang, Yuan
    Yi, Zhang
    ACTA PHYSICA SINICA, 2023, 72 (04)
  • [22] Very High-energy (>50 GeV) Gamma-Ray Flux Variability of Bright Fermi Blazars
    Paliya, Vaidehi S.
    ASTROPHYSICAL JOURNAL, 2024, 963 (01)
  • [23] Gamma-ray bursts at high and very high energies
    Piron, Frederic
    COMPTES RENDUS PHYSIQUE, 2016, 17 (06) : 617 - 631
  • [24] Galactic gamma-ray and neutrino emission from interacting cosmic-ray nuclei
    Breuhaus, M.
    Hinton, J. A.
    Joshi, V
    Reville, B.
    Schoorlemmer, H.
    ASTRONOMY & ASTROPHYSICS, 2022, 661
  • [25] Prospects for future very high-energy gamma-ray sky survey: Impact of secondary gamma rays
    Inoue, Yoshiyuki
    Kalashev, Oleg E.
    Kusenko, Alexander
    ASTROPARTICLE PHYSICS, 2014, 54 : 118 - 124
  • [26] Acceleration of the high-energy protons in an active galactic nuclei
    Istomin, Yakov
    Gunya, Alexey
    ASTRONOMISCHE NACHRICHTEN, 2021, 342 (1-2) : 182 - 185
  • [27] Obtaining cosmic-ray propagation parameters from diffuse very high energy gamma-ray emission from the galactic center ridge
    Busching, I.
    de Jager, O. C.
    Snyman, J.
    ASTROPHYSICAL JOURNAL, 2007, 656 (02) : 841 - 846
  • [28] A 23.d2 period in the ultrahigh-energy gamma-ray flux from the Mk 501 active galactic nucleus
    Neshpor, YI
    ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS, 2000, 26 (12): : 763 - 764
  • [29] The CAT imaging telescope for very-high-energy gamma-ray astronomy
    Barrau, A
    Bazer-Bachi, R
    Beyer, E
    Cabot, H
    Cerutti, M
    Chounet, LM
    Debiais, G
    Degrange, B
    Delchini, H
    Denance, JP
    Descotes, G
    Dezalay, JP
    Djannati-Atai, A
    Dumora, D
    Espigat, P
    Fabre, B
    Fleury, P
    Fontaine, G
    George, R
    Ghesquiere, C
    Gilly, J
    Goret, P
    Gouiffes, C
    Gouillaud, JC
    Gregory, C
    Grenier, IA
    Iacoucci, L
    Kalt, L
    Le Bohec, S
    Malet, I
    Meynadier, C
    Mols, JP
    de Freitas, PM
    Morano, R
    Morinaud, G
    Munz, F
    Palatka, M
    Palfrey, TA
    Pare, E
    Pons, Y
    Punch, M
    Quebert, J
    Ragan, K
    Renault, C
    Rivoal, M
    Rob, L
    Schovanek, P
    Smith, D
    Tabary, A
    Tavernet, JP
    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1998, 416 (2-3) : 278 - 292
  • [30] Very-high-energy gamma-ray signal from nuclear photodisintegration as a probe of extragalactic sources of ultrahigh-energy nuclei
    Murase, Kohta
    Beacom, John F.
    PHYSICAL REVIEW D, 2010, 82 (04):