A dust-enshrouded tidal disruption event with a resolved radio jet in a galaxy merger

被引：120

作者：

Mattila, S. ^{[1
,2
]}

Perez-Torres, M. ^{[3
,4
]}

Efstathiou, A. ^{[5
]}

Mimica, P. ^{[6
]}

Fraser, M. ^{[7
,8
]}

Kankare, E. ^{[9
]}

Alberdi, A. ^{[3
]}

Aloy, M. A. ^{[6
]}

Heikkila, T. ^{[1
]}

Jonker, P. G. ^{[10
,11
]}

Lundqvist, P. ^{[12
,13
]}

Marti-Vidal, I. ^{[14
]}

Meikle, W. P. S. ^{[15
]}

Romero-Canizales, C. ^{[16
,17
]}

Smartt, S. J. ^{[9
]}

Tsygankov, S. ^{[1
]}

Varenius, E. ^{[14
,18
]}

Alonso-Herrero, A. ^{[19
]}

Bondi, M. ^{[20
]}

Fransson, C. ^{[12
,13
]}

Herrero-Illana, R. ^{[21
,22
]}

Kangas, T. ^{[1
,23
]}

Kotak, R. ^{[1
,9
]}

Ramirez-Olivencia, N. ^{[3
]}

Vaisanen, P. ^{[24
,25
]}

Beswick, R. J. ^{[18
]}

Clements, D. L. ^{[15
]}

Greimel, R. ^{[26
]}

Harmanen, J. ^{[1
]}

Kotilainen, J. ^{[1
,2
]}

Nandra, K. ^{[27
]}

Reynolds, T. ^{[1
]}

Ryder, S. ^{[28
]}

Walton, N. A. ^{[8
]}

Wiik, K. ^{[1
]}

Ostlin, G. ^{[12
,13
]}

机构：

[1] Univ Turku, Dept Phys & Astron, Tuorla Observ, FI-20014 Turku, Finland

[2] Univ Turku, Finnish Ctr Astron ESO FINCA, FI-20014 Turku, Finland

[3] CSIC, Inst Astrofis Andalucia, POB 3004, E-18008 Granada, Spain

[4] Univ Zaragoza, Fac Ciencias, Dept Fis Teor, E-50009 Zaragoza, Spain

[5] European Univ Cyprus, Sch Sci, Diogenes St, CY-1516 Nicosia, Cyprus

[6] Univ Valencia Estudi Gen, Dept Astron & Astrofis, Valencia 46100, Spain

[7] Univ Coll Dublin, OBrien Ctr Sci North, Sch Phys, Dublin 4, Ireland

[8] Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England

[9] Queens Univ Belfast, Sch Math & Phys, Astrophys Res Ctr, Belfast BT7 1NN, Antrim, North Ireland

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

[11] Radboud Univ Nijmegen, Inst Math Astrophys & Particle Phys, Dept Astrophys, POB 9010, NL-6500 GL Nijmegen, Netherlands

[12] Stockholm Univ, Alballova Univ Ctr, Dept Astron, SE-10691 Stockholm, Sweden

[13] Stockholm Univ, Alballova Univ Ctr, Oskar Klein Ctr, SE-10691 Stockholm, Sweden

[14] Chalmers Univ Technol, Onsala Space Observ, Dept Space Earth & Environm, SE-43992 Onsala, Sweden

[15] Imperial Coll London, Blackett Lab, Astrophys Grp, Prince Consort Rd, London SW7 2AZ, England

[16] Chinese Acad Sci, Natl Astron Observ, South Amer Ctr Astron, Beijing 100012, Peoples R China

[17] Univ Diego Port, Fac Ingn & Ciencias, Ncleo Astron, Av Ejercito 441, Santiago 8370191, Chile

[18] Univ Manchester, Ctr Astrophys, Jodrell Bank, Oxford Rd, Manchester M13 9PL, Lancs, England

[19] CSIC, INTA, Ctr Astrobiol, ESAC Campus, E-28692 Madrid, Spain

[20] Ist Nazl Astrofis INAF, Ist Radioastron, Via P Gobetti 101, I-40129 Bologna, Italy

[21] European Southern Observ, Alonso Cordova 3107, Vitacura, Chile

[22] Casilla 19001, Santiago, Chile

[23] Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA

[24] South African Astron Observ, POB 9,Observ 7935, Cape Town, South Africa

[25] Southern African Large Telescope, POB 9,Observ 7935, Cape Town, South Africa

[26] NAWI Graz, Inst Phys, Dept Geophys Astrophys & Meteorol, Univ Pl 5, A-8010 Graz, Austria

[27] Max Planck Inst Extraterr Phys, Giessenbachstr, D-85748 Garching, Germany

[28] Australian Astron Observ, 105 Delhi Rd, N Ryde, NSW 2113, Australia

来源：

SCIENCE | 2018年 / 361卷 / 6401期

基金：

新加坡国家研究基金会; 芬兰科学院; 欧洲研究理事会; 爱尔兰科学基金会;

关键词：

BLACK-HOLES; EMISSION; STARS; CORE;

D O I：

10.1126/science.aao4669

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：

Tidal disruption events (TDEs) are transient flares produced when a star is ripped apart by the gravitational field of a supermassive black hole (SMBH). We have observed a transient source in the western nucleus of the merging galaxy pair Arp 299 that radiated > 1.5 x 10(52) erg at infrared and radio wavelengths but was not luminous at optical or x-ray wavelengths. We interpret this as a TDE with much of its emission reradiated at infrared wavelengths by dust. Efficient reprocessing by dense gas and dust may explain the difference between theoretical predictions and observed luminosities of TDEs. The radio observations resolve an expanding and decelerating jet, probing the jet formation and evolution around a SMBH.

引用

页码：482 / 485

页数：4

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