Radio Imaging of the Very-High-Energy γ-Ray Emission Region in the Central Engine of a Radio Galaxy

被引：190

作者：

Acciari, V. A. ^{[1
]}

Aliu, E. ^{[2
,3
]}

Arlen, T. ^{[4
]}

Bautista, M. ^{[5
]}

Beilicke, M. ^{[6
]}

Benbow, W. ^{[1
]}

Bradbury, S. M. ^{[7
]}

Buckley, J. H. ^{[6
]}

Bugaev, V. ^{[6
]}

Butt, Y. ^{[8
]}

Byrum, K. ^{[9
]}

Cannon, A. ^{[10
]}

Celik, O. ^{[4
]}

Cesarini, A. ^{[11
]}

Chow, Y. C. ^{[4
]}

Ciupik, L. ^{[12
]}

Cogan, P. ^{[5
]}

Cui, W. ^{[13
]}

Dickherber, R. ^{[6
]}

Fegan, S. J. ^{[4
]}

Finley, J. P. ^{[13
]}

Fortin, P. ^{[14
]}

Fortson, L. ^{[12
]}

Furniss, A. ^{[15
,79
]}

Gall, D. ^{[13
]}

Gillanders, G. H. ^{[11
]}

Grube, J. ^{[10
]}

Guenette, R. ^{[5
]}

Gyuk, G. ^{[12
]}

Hanna, D. ^{[5
]}

Holder, J. ^{[2
,3
]}

Horan, D. ^{[16
]}

Hui, C. M. ^{[17
]}

Humensky, T. B. ^{[18
]}

Imran, A. ^{[19
]}

Kaaret, P. ^{[20
]}

Karlsson, N. ^{[12
]}

Kieda, D. ^{[17
]}

Kildea, J. ^{[1
]}

Konopelko, A. ^{[21
]}

Krawczynski, H. ^{[6
]}

Krennrich, F. ^{[19
]}

Lang, M. J. ^{[11
]}

LeBohec, S. ^{[17
]}

Maier, G. ^{[5
]}

McCann, A. ^{[5
]}

McCutcheon, M. ^{[5
]}

Millis, J. ^{[22
]}

Moriarty, P. ^{[23
]}

Ong, R. A. ^{[4
]}

机构：

[1] Harvard Smithsonian Ctr Astrophys, Fred Lawrence Whipple Observ, Amado, AZ 85645 USA

[2] Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA

[3] Univ Delaware, Bartol Res Inst, Newark, DE 19716 USA

[4] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA

[5] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada

[6] Washington Univ, Dept Phys, St Louis, MO 63130 USA

[7] Univ Leeds, Sch Phys & Astron, Leeds LS2 9JT, W Yorkshire, England

[8] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA

[9] Argonne Natl Lab, Argonne, IL 60439 USA

[10] Univ Coll Dublin, Sch Phys, Dublin 4, Ireland

[11] Natl Univ Ireland, Sch Phys, Galway, Ireland

[12] Adler Planetarium & Astron Museum, Dept Astron, Chicago, IL 60605 USA

[13] Purdue Univ, Dept Phys, W Lafayette, IN 47907 USA

[14] Columbia Univ, Dept Phys & Astron, Barnard Coll, New York, NY 10027 USA

[15] Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA

[16] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France

[17] Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USA

[18] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA

[19] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA

[20] Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA

[21] Pittsburg State Univ, Dept Phys, Pittsburg, KS 66762 USA

[22] Anderson Univ, Dept Phys, Anderson, IN 46012 USA

[23] Galway Mayo Inst Technol, Dept Life & Phys Sci, Galway, Ireland

[24] European So Observ, D-85748 Garching, Germany

[25] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA

[26] Cork Inst Technol, Dept Appl Phys & Instrumentat, Cork, Ireland

[27] NRAO, Socorro, NM 87801 USA

[28] New Mexico Inst Min & Technol, Dept Phys, Socorro, NM 87801 USA

[29] Univ Alabama, Dept Phys & Astron, Tuscaloosa, AL 35487 USA

[30] Los Alamos Natl Lab, MS D436, ISR 2, Los Alamos, NM USA

[31] Univ Calif Los Angeles, Dept Astron, Los Angeles, CA 90095 USA

[32] Max Planck Inst Kernphys, D-69029 Heidelberg, Germany

[33] Yerevan Phys Inst, Yerevan 375036, Armenia

[34] Ctr Etud Spatiale Rayonnements, CNRS, UPS, F-31029 Toulouse 4, France

[35] Univ Hamburg, Inst Expt Phys, D-22761 Hamburg, Germany

[36] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany

[37] Univ Paris Diderot, CNRS, Observ Paris, Lab Univers & Theories, F-92190 Meudon, France

[38] Commissariat Energie Atom CE Saclay, Inst Rech Lois Fondamentales Univers, Direct Sci Mat, F-91191 Gif Sur Yvette, France

[39] Univ Durham, Dept Phys, Durham DH1 3LE, England

[40] North West Univ, Unit Space Phys, ZA-2520 Potchefstroom, South Africa

[41] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France

[42] Lab Annecy Le Vieux Phys Particules, CNRS, IN2P3, F-74941 Annecy Le Vieux, France

[43] Univ Paris 07, CNRS, Observ Paris, CEA,UMR 7164, F-75205 Paris 13, France

[44] Dublin Inst Adv Studies, Dublin 2, Ireland

[45] Heidelberg Univ, D-69117 Heidelberg, Germany

[46] Univ Montpellier 2, CNRS, IN2P3, Lab Phys Theor & Astroparticules, F-34095 Montpellier 5, France

[47] Univ Erlangen Nurnberg, Inst Phys, D-91058 Erlangen, Germany

[48] Univ Grenoble 1, CNRS, Astrophys Lab, Inst Natl Sci Univers, F-38041 Grenoble 9, France

[49] Univ Tubingen, Inst Astron & Astrophys, D-72076 Tubingen, Germany

[50] Univ Paris 07, CNRS, Univ Paris 06, Lab Phys Nucl & Hautes,IN2P3, F-75252 Paris 5, France

来源：

SCIENCE | 2009年 / 325卷 / 5939期

基金：

加拿大自然科学与工程研究理事会; 美国国家科学基金会; 爱尔兰科学基金会;

关键词：

SUPERMASSIVE BLACK-HOLE; TEV EMISSION; M87; JET; CRAB-NEBULA; INNER JET; VARIABILITY; HST-1; BASE; M-87; SITE;

D O I：

10.1126/science.1175406

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The accretion of matter onto a massive black hole is believed to feed the relativistic plasma jets found in many active galactic nuclei (AGN). Although some AGN accelerate particles to energies exceeding 10(12) electron volts and are bright sources of very-high-energy (VHE) gamma-ray emission, it is not yet known where the VHE emission originates. Here we report on radio and VHE observations of the radio galaxy Messier 87, revealing a period of extremely strong VHE gamma-ray flares accompanied by a strong increase of the radio flux from its nucleus. These results imply that charged particles are accelerated to very high energies in the immediate vicinity of the black hole.

引用

页码：444 / 448

页数：5

共 31 条

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