A dust-enshrouded tidal disruption event with a resolved radio jet in a galaxy merger
Artikel i vetenskaplig tidskrift, 2018
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 × 1052erg 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.
Författare
S. Mattila
Turun Yliopisto
Tuorla Observatory
M.A. Pérez-Torres
Instituto de Astrofisica de Andalucía (IAA)
Universidad de Zaragoza
A. Efstathiou
European University Cyprus
P. Mimica
Universitat de Valencia
M Fraser
University of Cambridge
University College Dublin
E. Kankare
Queen's University Belfast
Antxon Alberdi
Instituto de Astrofisica de Andalucía (IAA)
M. Aloy
Universitat de Valencia
T. Heikkilä
Tuorla Observatory
P. G. Jonker
Radboud Universiteit
Netherlands Institute for Space Research (SRON)
P. Lundqvist
Alba Nova Universitetscentrum
Ivan Marti-Vidal
Chalmers, Rymd-, geo- och miljövetenskap, Onsala rymdobservatorium
W. P.S. Meikle
Imperial College London
C. Romero-Cañizales
Chinese Academy of Sciences
Universidad Diego Portales
S. J. Smartt
Queen's University Belfast
S. Tsygankov
Tuorla Observatory
Eskil Varenius
University of Manchester
Chalmers, Rymd-, geo- och miljövetenskap, Onsala rymdobservatorium
A. Alonso-Herrero
Centro de Astrobiologia (CAB)
M. Bondi
Istituto nazionale di astrofisica (INAF)
C. Fransson
Alba Nova Universitetscentrum
R. Herrero-Illana
European Southern Observatory Santiago
T. Kangas
Space Telescope Science Institute (STScI)
Tuorla Observatory
R Kotak
Tuorla Observatory
Queen's University Belfast
Naim Ramirez-Olivencia
Instituto de Astrofisica de Andalucía (IAA)
P. Väisänen
Southern African Large Telescope
South African Astronomical Observatory
R. J. Beswick
University of Manchester
D. L. Clements
Imperial College London
R. Greimel
Karl-Franzens-Universität Graz
J. Harmanen
Tuorla Observatory
J. Kotilainen
Tuorla Observatory
Turun Yliopisto
K. Nandra
Max-Planck-Gesellschaft
T. Reynolds
Tuorla Observatory
S. D. Ryder
Australian Astronomical Observatory
N. A. Walton
University of Cambridge
K. Wiik
Tuorla Observatory
G. Östlin
Alba Nova Universitetscentrum
Science
0036-8075 (ISSN) 1095-9203 (eISSN)
Vol. 361 6401 482-485Ämneskategorier
Subatomär fysik
Astronomi, astrofysik och kosmologi
Atom- och molekylfysik och optik
DOI
10.1126/science.aao4669