Relativistic X-Ray Jets from the Black Hole X-Ray Binary MAXI J1820+070

被引：38

作者：

Espinasse, Mathilde ^{[1
]}

Corbel, Stephane ^{[1
,2
]}

Kaaret, Philip ^{[3
]}

Tremou, Evangelia ^{[1
,4
]}

Migliori, Giulia ^{[5
]}

Plotkin, Richard M. ^{[6
]}

Bright, Joe ^{[7
]}

Tomsick, John ^{[8
]}

Tzioumis, Anastasios ^{[9
]}

Fender, Rob ^{[7
,10
]}

Orosz, Jerome A. ^{[11
]}

Gallo, Elena ^{[12
]}

Homan, Jeroen ^{[13
,14
]}

Jonker, Peter G. ^{[14
,15
]}

Miller-Jones, James C. A. ^{[16
]}

Russell, David M. ^{[17
]}

Motta, Sara ^{[7
]}

机构：

[1] Univ Paris, Univ Paris Diderot, Univ Paris Saclay, AIM,CEA,CNRS, F-91191 Gif Sur Yvette, France

[2] Univ Orleans, Stn Radioastron Nancay, Observ Paris, PSL Res Univ,CNRS, F-18330 Nancay, France

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

[4] PSL, UPD, LESIA, CNRS,Observ Paris,SU UPD, Meudon, France

[5] INAF, Ist Radio Astron Bologna, Via P Gobetti 101, I-40129 Bologna, Italy

[6] Univ Nevada, Dept Phys, Reno, NV 89557 USA

[7] Univ Oxford, Dept Phys, Astrophys, Keble Rd, Oxford OX1 3RH, England

[8] Univ Calif Berkeley, Space Sci Lab, 7 Gauss Way, Berkeley, CA 94720 USA

[9] CSIRO, Australia Telescope Natl Facil, POB 76, Epping, NSW 1710, Australia

[10] Univ Cape Town, Dept Astron, Private Bag X3, ZA-7701 Rondenbosch, South Africa

[11] San Diego State Univ, Dept Astron, 5500 Campanile Dr, San Diego, CA 92182 USA

[12] Univ Michigan, Dept Astron, 1085 S Univ, Ann Arbor, MI 48109 USA

[13] Eureka Sci Inc, 2452 Delmer St, Oakland, CA 94602 USA

[14] SRON Netherlands Inst Space Res, Sorbonnelaan 2, NL-3584 CA Utrecht, Netherlands

[15] Radboud Univ Nijmegen, Dept Astrophys, IMAPP, POB 9010, NL-6500 GL Nijmegen, Netherlands

[16] Curtin Univ, Int Ctr Radio Astron Res, GPO Box U1987, Perth, WA 6845, Australia

[17] New York Univ Abu Dhabi, Ctr Astro Particle & Planetary Phys, POB 129188, Abu Dhabi, U Arab Emirates

来源：

ASTROPHYSICAL JOURNAL LETTERS | 2020年 / 895卷 / 02期

基金：

美国国家航空航天局; 澳大利亚研究理事会; 欧洲研究理事会;

关键词：

X-ray binary stars; Relativistic jets; Accretion; Radio jets; Galactic radio sources; Stellar mass black holes; LARGE-SCALE; EMISSION; MISSION; CHANDRA; MODEL;

D O I：

10.3847/2041-8213/ab88b6

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The black hole MAXI J1820+070 was discovered during its 2018 outburst and was extensively monitored across the electromagnetic spectrum. Following the detection of relativistic radio jets, we obtained four Chandra X-ray observations taken between 2018 November and 2019 June, along with radio observations conducted with the Very Large Array and MeerKAT arrays. We report the discovery of X-ray sources associated with the radio jets moving at relativistic velocities with a possible deceleration at late times. The broadband spectra of the jets are consistent with synchrotron radiation from particles accelerated up to very high energies (>10 TeV) by shocks produced by the jets interacting with the interstellar medium. The minimal internal energy estimated from the X-ray observations for the jets is similar to 10(41) erg, significantly larger than the energy calculated from the radio flare alone, suggesting most of the energy is possibly not radiated at small scales but released through late-time interactions.

引用

页数：7

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