GW151226: Observation of Gravitational Waves from a 22-Solar-Mass Binary Black Hole Coalescence

被引：55

作者：

Abbott, B. P. ^{[1
]}

Abbott, R. ^{[1
]}

Abbott, T. D. ^{[2
]}

Abernathy, M. R. ^{[3
]}

Acernese, F. ^{[4
,5
]}

Ackley, K. ^{[6
]}

Adams, C. ^{[7
]}

Adams, T. ^{[8
]}

Addesso, P. ^{[9
,10
]}

Adhikari, R. X. ^{[1
]}

Adya, V. B. ^{[11
]}

Affeldt, C. ^{[11
]}

Agathos, M. ^{[12
]}

Agatsuma, K. ^{[12
]}

Aggarwal, N. ^{[13
]}

Aguiar, O. D. ^{[14
]}

Aiello, L. ^{[15
,16
]}

Ain, A. ^{[17
]}

Ajith, P. ^{[18
]}

Allen, B. ^{[11
,19
,20
]}

Allocca, A. ^{[21
,22
]}

Altin, P. A. ^{[23
]}

Anderson, S. B. ^{[1
]}

Anderson, W. G. ^{[19
]}

Arai, K. ^{[1
]}

Araya, M. C. ^{[1
]}

Arceneaux, C. C. ^{[24
]}

Areeda, J. S. ^{[25
]}

Arnaud, N. ^{[26
]}

Arun, K. G. ^{[27
]}

Ascenzi, S. ^{[16
,28
]}

Ashton, G. ^{[29
]}

Ast, M. ^{[30
]}

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

Astone, P. ^{[31
]}

Aufmuth, P. ^{[20
]}

Aulbert, C. ^{[11
]}

Babak, S. ^{[32
]}

Bacon, P. ^{[33
]}

Bader, M. K. M. ^{[12
]}

Baker, P. T. ^{[34
]}

Baldaccini, F. ^{[35
,36
]}

Ballardin, G. ^{[37
]}

Ballmer, S. W. ^{[38
]}

Barayoga, J. C. ^{[1
]}

Barclay, S. E. ^{[39
]}

Barish, B. C. ^{[1
]}

Barker, D. ^{[40
]}

Barone, F. ^{[4
,5
]}

Barr, B. ^{[39
]}

机构：

[1] CALTECH, LIGO, Pasadena, CA 91125 USA

[2] Louisiana State Univ, Baton Rouge, LA 70803 USA

[3] Amer Univ, Washington, DC 20016 USA

[4] Univ Salerno, I-84084 Salerno, Italy

[5] Complesso Univ Monte S Angelo, Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy

[6] Univ Florida, Gainesville, FL 32611 USA

[7] LIGO Livingston Observ, Livingston, LA 70754 USA

[8] Univ Savoie Mont Blanc, CNRS, IN2P3, Lab Annecy Le Vieux Phys Particules, F-74941 Annecy Le Vieux, France

[9] Univ Sannio Benevento, I-82100 Benevento, Italy

[10] Ist Nazl Fis Nucl, Sez Napoli, I-80100 Naples, Italy

[11] Max Planck Inst Gravitat Phys, Albert Einstein Inst, D-30167 Hannover, Germany

[12] Nikhef, Sci Pk, NL-1098 XG Amsterdam, Netherlands

[13] MIT, LIGO, 77 Massachusetts Ave, Cambridge, MA 02139 USA

[14] Inst Nacl Pesquisas Espaciais, BR-12227010 Sao Jose Dos Campos, SP, Brazil

[15] Ist Nazl Fis Nucl, Gran Sasso Sci Inst, I-67100 Laquila, Italy

[16] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, I-00133 Rome, Italy

[17] Interuniv Ctr Astron & Astrophys, Pune 411007, Maharashtra, India

[18] Tata Inst Fundamental Res, Int Ctr Theoret Sci, Bangalore 560012, Karnataka, India

[19] Univ Wisconsin, Milwaukee, WI 53201 USA

[20] Leibniz Univ Hannover, D-30167 Hannover, Germany

[21] Univ Pisa, I-56127 Pisa, Italy

[22] Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy

[23] Australian Natl Univ, GPO Box 4, Canberra, ACT 0200, Australia

[24] Univ Mississippi, University, MS 38677 USA

[25] Calif State Univ Fullerton, Fullerton, CA 92831 USA

[26] Univ Paris 11, CNRS, IN2P3, Univ Paris Saclay,LAL, F-91405 Orsay, France

[27] Chennai Math Inst, Madras 603103, Tamil Nadu, India

[28] Univ Roma Tor Vergata, I-00133 Rome, Italy

[29] Univ Southampton, Southampton SO17 1BJ, Hants, England

[30] Univ Hamburg, D-22761 Hamburg, Germany

[31] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy

[32] Max Planck Inst Gravitat Phys, Albert Einstein Inst, D-14476 Potsdam, Germany

[33] Sorbonne Paris Cite, Univ Paris Diderot, AstroParticule & Cosmol, Observ Paris,CNRS,IN2P3,CEA Irfu,APC, F-75205 Paris 13, France

[34] Montana State Univ, Bozeman, MT 59717 USA

[35] Univ Perugia, I-06123 Perugia, Italy

[36] Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy

[37] European Gravitat Observ, I-56021 Pisa, Italy

[38] Syracuse Univ, Syracuse, NY 13244 USA

[39] Univ Glasgow, SUPA, Glasgow G12 8QQ, Lanark, Scotland

[40] LIGO Hanford Observ, Richland, WA 99352 USA

[41] RMKI, Wigner RCP, Konkoly Thege Miklos Ut 29-33, H-1121 Budapest, Hungary

[42] Columbia Univ, New York, NY 10027 USA

[43] Stanford Univ, Stanford, CA 94305 USA

[44] Univ Padua, Dipartimento Fis & Astron, I-35131 Padua, Italy

[45] Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy

[46] CAMK PAN, PL-00716 Warsaw, Poland

[47] Univ Birmingham, Birmingham B15 2TT, W Midlands, England

[48] Univ Genoa, I-16146 Genoa, Italy

[49] Ist Nazl Fis Nucl, Sez Genova, Via Dodecaneso 33, I-16146 Genoa, Italy

[50] RRCAT, Indore 452013, MP, India

来源：

PHYSICAL REVIEW LETTERS | 2016年 / 116卷 / 24期

基金：

匈牙利科学研究基金会; 美国国家科学基金会; 俄罗斯基础研究基金会; 加拿大自然科学与工程研究理事会; 新加坡国家研究基金会; 巴西圣保罗研究基金会;

关键词：

MASS-DISTRIBUTION; MAXIMUM MASS; STELLAR; RADIATION; CHOICE; MERGER;

D O I：

10.1103/PhysRevLett.116.241103

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the observation of a gravitational-wave signal produced by the coalescence of two stellar-mass black holes. The signal, GW151226, was observed by the twin detectors of the Laser Interferometer Gravitational-Wave Observatory (LIGO) on December 26, 2015 at 03: 38: 53 UTC. The signal was initially identified within 70 s by an online matched-filter search targeting binary coalescences. Subsequent off-line analyses recovered GW151226 with a network signal-to-noise ratio of 13 and a significance greater than 5 sigma. The signal persisted in the LIGO frequency band for approximately 1 s, increasing in frequency and amplitude over about 55 cycles from 35 to 450 Hz, and reached a peak gravitational strain of 3.4(-0.9)(+0.7) x 10(-22). The inferred source-frame initial black hole masses are 14.2(-3.7)(+8.3) M-circle dot and 7.5(-2.3)(+2.3) M-circle dot, and the final black hole mass is 20.8(-1.7)(+6.1) M-circle dot. We find that at least one of the component black holes has spin greater than 0.2. This source is located at a luminosity distance of 440(-190)(+180) Mpc corresponding to a redshift of 0.09(-0.04)(+0.03). All uncertainties define a 90% credible interval. This second gravitational-wave observation provides improved constraints on stellar populations and on deviations from general relativity.

引用

页数：14

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