A radio parallax to the black hole X-ray binary MAXI J1820+070

被引：106

作者：

Atri, P. ^{[1
]}

Miller-Jones, J. C. A. ^{[1
]}

Bahramian, A. ^{[1
]}

Plotkin, R. M. ^{[1
,2
]}

Deller, A. T. ^{[3
]}

Jonker, P. G. ^{[4
,5
]}

Maccarone, T. J. ^{[6
]}

Sivakoff, G. R. ^{[7
]}

Soria, R. ^{[8
,9
]}

Altamirano, D. ^{[10
]}

Belloni, T. ^{[11
]}

Fender, R. ^{[12
]}

Koerding, E. ^{[5
]}

Maitra, D. ^{[13
]}

Markoff, S. ^{[14
]}

Migliari, S. ^{[15
,16
]}

Russell, D. ^{[17
]}

Russell, T. ^{[14
]}

Sarazin, C. L. ^{[18
]}

Tetarenko, A. J. ^{[19
]}

Tudose, V ^{[20
]}

机构：

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

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

[3] Swinburne Univ Technol, Ctr Astrophys & Supercomp, Mail Number H11,POB 218, Hawthorn, Vic 3122, Australia

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

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

[6] Texas Tech Univ, Dept Phys, Box 41051,Sci Bldg, Lubbock, TX 79409 USA

[7] Univ Alberta, Dept Phys, CCIS 4-183, Edmonton, AB T6G 2E1, Canada

[8] Univ Chinese Acad Sci, Sch Astron & Space Sci, 52 Sanlihe Rd, Beijing 100864, Peoples R China

[9] Univ Sydney, Sch Phys A28, Sydney Inst Astron, Sydney, NSW 2006, Australia

[10] Univ Southampton, Phys & Astron, Southampton SO17 JBJ, Hants, England

[11] INAF Osservatorio Astron Brera, Via E Bianchi 46, I-23807 Merate, Italy

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

[13] Wheaton Coll, Dept Phys & Astron, Norton, MA 02766 USA

[14] Univ Amsterdam, Astron Inst Anton Pannekoekc, Sci Pk 904, NL-1098 XH Amsterdam, Netherlands

[15] ESAC ESA, XMM Newton Sci Operat Ctr, Camino Bajo Castillo S-N, E-28691 Madrid, Spain

[16] Univ Barcelona, Inst Cosmos Sci, Marti I Franques 1, E-08028 Barcelona, Spain

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

[18] Univ Virginia, Dept Astron, 530 McCormick Rd, Charlottesville, VA 22904 USA

[19] East Asian Observ, 660 N Aohoku Pl,Univ Park, Hilo, HI 96720 USA

[20] Inst Space Sci, Atomistilor 409,POB MG-23, Bucharest 077125, Romania

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2020年 / 493卷 / 01期

基金：

加拿大自然科学与工程研究理事会; 欧洲研究理事会; 澳大利亚研究理事会;

关键词：

astrometry; parallaxes; stars: black holes; radio continuum: transients; X-rays: binaries; high angular resolution; TRIGONOMETRIC PARALLAXES; DISTANCE; MASS; STAR; LUMINOSITIES; VLBA;

D O I：

10.1093/mnrasl/slaa010

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Using the Very Long Baseline Array and the European Very Long Baseline Interferometry Network, we have made a precise measurement of the radio parallax of the black hole X-ray binary MAXIJ1820+070, providing a model-independent distance to the source. Our parallax measurement of (0.348 +/- 0.033) mas for MAXIJ1820+070 translates to a distance of (2.96 +/- 0.33) kpc. This distance implies that the source reached (15 +/- 3) per cent of the Eddington luminosity at the peak of its outburst. Further, we use this distance to refine previous estimates of the jet inclination angle, jet velocity, and the mass of the black hole in MAXI J1820+070 to be (63 +/- 3)degrees, (0.89 +/- 0.09)c, and (9.2 +/- 1.3) M-circle dot, respectively.

引用

页码：L81 / L86

页数：6

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