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

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Title: A dust-enshrouded tidal disruption event with a resolved radio jet in a galaxy merger
Author(s): Mattila, S
Pérez-Torres, M
Efstathiou, A
Mimica, P
Fraser, M
Kankare, E
Alberdi, A
Aloy, MÁ
Heikkilä, T
Jonker, PG
Lundqvist, P
Martí-Vidal, I
Meikle, WPS
Romero-Cañizales, C
Smartt, SJ
Tsygankov, S
Varenius, E
Alonso-Herrero, A
Bondi, M
Fransson, C
Herrero-Illana, R
Kangas, T
Kotak, R
Ramírez-Olivencia, N
Väisänen, P
Beswick, RJ
Clements, DL
Greimel, R
Harmanen, J
Kotilainen, J
Nandra, K
Reynolds, T
Ryder, S
Walton, NA
Wiik, K
Östlin, G
Item Type: Journal Article
Abstract: 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 × 1052 erg in the infrared and radio 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.
Publication Date: 14-Jun-2018
Date of Acceptance: 1-Jun-2018
URI: http://hdl.handle.net/10044/1/60764
DOI: https://dx.doi.org/10.1126/science.aao4669
ISSN: 0036-8075
Publisher: American Association for the Advancement of Science
Journal / Book Title: Science
Copyright Statement: © 2018, American Association for the Advancement of Science
Sponsor/Funder: Science and Technology Facilities Council (STFC)
Science and Technology Facilities Council (STFC)
Imperial College Trust
Science and Technology Facilities Council
Science and Technology Facilities Council (STFC)
Funder's Grant Number: ST/G001901/1
ST/J001368/1
N/A
ST-N000838
ST/N000838/1
Keywords: MD Multidisciplinary
General Science & Technology
Publication Status: Published online
Conference Place: United States
Online Publication Date: 2018-06-14
Appears in Collections:Physics
Astrophysics
Faculty of Natural Sciences



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