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An extremely luminous panchromatic outburst from the nucleus of a distant galaxy

Levan, AJ and Tanvir, NR and Cenko, SB and Perley, DA and Wiersema, K and Bloom, JS and Fruchter, AS and De Ugarte Postigo, A and O'Brien, PT and Butler, N and Van Der Horst, AJ and Leloudas, G and Morgan, AN and Misra, K and Bower, GC and Farihi, J and Tunnicliffe, RL and Modjaz, M and Silverman, JM and Hjorth, J and Thöne, C and Cucchiara, A and Castro Cerón, JM and Castro-Tirado, AJ and Arnold, JA and Bremer, M and Brodie, JP and Carroll, T and Cooper, MC and Curran, PA and Cutri, RM and Ehle, J and Forbes, D and Fynbo, J and Gorosabel, J and Graham, J and Hoffman, DI and Guziy, S and Jakobsson, P and Kamble, A and Kerr, T and Kasliwal, MM and Kouveliotou, C and Kocevski, D and Law, NM and Nugent, PE and Ofek, EO and Poznanski, D and Quimby, RM and Rol, E and Romanowsky, AJ and Sánchez-Ramírez, R and Schulze, S and Singh, N and Van Spaandonk, L and Starling, RLC and Strom, RG and Tello, JC and Vaduvescu, O and Wheatley, PJ and Wijers, RAMJ and Winters, JM and Xu, D (2011) An extremely luminous panchromatic outburst from the nucleus of a distant galaxy. Science, 333 (6039). pp. 199-202. ISSN 0036-8075

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Abstract

Variable x-ray and γ-ray emission is characteristic of the most extreme physical processes in the universe. We present multiwavelength observations of a unique γ-ray-selected transient detected by the Swift satellite, accompanied by bright emission across the electromagnetic spectrum, and whose properties are unlike any previously observed source. We pinpoint the event to the center of a small, star-forming galaxy at redshift z = 0.3534. Its high-energy emission has lasted much longer than any γ-ray burst, whereas its peak luminosity was ∼100 times higher than bright active galactic nuclei. The association of the outburst with the center of its host galaxy suggests that this phenomenon has its origin in a rare mechanism involving the massive black hole in the nucleus of that galaxy.

Item Type: Article
Additional Information: This is the accepted version of the following article: Levan et al. An extremely luminous panchromatic outburst from the nucleus of a distant galaxy. Science; Vol:333, Is: 6039;pp199-202, which has been published in final form at http://dx.doi.org/10.1126/science.1207143
Uncontrolled Keywords: MD Multidisciplinary
Subjects: Q Science > QB Astronomy
Q Science > QC Physics
Divisions: Astrophysics Research Institute
Publisher: American Association for the Advancement of Science
Date Deposited: 25 May 2017 08:50
Last Modified: 07 Sep 2017 00:29
DOI or Identification number: 10.1126/science.1207143
URI: http://researchonline.ljmu.ac.uk/id/eprint/6568

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