Discovery of very high energy gamma rays associated with an X-ray binary

被引：279

作者：

Aharonian, F

Akhperjanian, AG

Aye, KM

Bazer-Bachi, AR

Beilicke, M

Benbow, W

Berge, D

Berghaus, P

Bernlöhr, K

Boisson, C

Bolz, O

Borrel, V

Braun, I

Breitling, F

Brown, AM

Gordo, JB

Chadwick, PM

Chounet, LM

Cornils, R

Costamante, L

Degrange, B

Dickinson, HJ

Djannati-Ataïi, A

Drury, LO

Dubus, G

Emmanouiopoulos, D

Espigat, P

Feinstein, F

Fleury, P

Fontaine, G

Fuchs, Y

Funk, S

Gallant, YA

Giebels, B

Gillessen, S

Glicenstein, JF

Goret, P

Hadjichristidis, C

Hauser, M

Heinzelmann, G

Henri, G

Hermann, G

Hinton, JA

Hofmann, W

Holieran, M

Horns, D

Jacholkowska, A

de Jager, OC

Khélifi, B

Komin, N

机构：

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

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

[3] Yerevan Phys Inst, Yerevan 375036, Armenia

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

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

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

[7] APC, CNRS, UMR 7164, F-75231 Paris, France

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

[9] Observ Paris, CNRS, UMR 8102, LUTH,Sect Meudon, F-92195 Meudon, France

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

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

[12] Landessternwarte Konigstuhl, D-69117 Heidelberg, Germany

[13] Univ Grenoble 1, CNRS, INSU, Lab Astrophys Grenoble, F-38041 Grenoble, France

[14] Ctr Etud Saclay, CEA, DSM, DAPNIA, F-91191 Gif Sur Yvette, France

[15] NW Univ, Unit Space Phys, ZA-2520 Potchefstroom, South Africa

[16] Univ Paris 06, CNRS, IN2P3, Phys Theor & Hautes Energies Lab, F-75252 Paris, France

[17] Univ Paris 07, CNRS, IN2P3, Phys Theor & Hautes Energies Lab, F-75252 Paris, France

[18] Ruhr Univ Bochum, Inst Theoret Phys, Lehrstuhl Weltraum & Astrophys 4, D-44780 Bochum, Germany

[19] Charles Univ, Inst Nucl & Particle Phys, CR-18000 Prague, Czech Republic

[20] Univ Namibia, Windhoek, Namibia

来源：

SCIENCE | 2005年 / 309卷 / 5735期

关键词：

D O I：

10.1126/science.1113764

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：

X-ray binaries are composed of a normal star in orbit around a neutron star or stellar-mass black hole. Radio and x-ray observations have led to the presumption that some x-ray binaries called microquasars behave as scaled-down active galactic nuclei. Microquasars have resolved radio emission that is thought to arise from a relativistic outflow akin to active galactic nuclei jets, in which particles can be accelerated to large energies. Very high energy gamma-rays produced by the interactions of these particles have been observed from several active galactic nuclei. Using the High Energy Stereoscopic System, we find evidence for gamma-ray emission of >100 gigaelectron volts from a candidate microquasar, LS 5039, showing that particles are also accelerated to very high energies in these systems.

引用

页码：746 / 749

页数：4

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