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

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Levan, A. J., Tanvir, Nial R., Cenko, S. Bradley, Perley, D. A., Wiersema, K., Bloom, Joshua S., 1974-, Fruchter, Andrew S., Postigo, A. de Ugarte, O'Brien, P. T. (Paul T.), Butler, N. R. et al.
. (2011) An extremely luminous panchromatic outburst from the nucleus of a distant galaxy. Science, Vol.333 (No.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.

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Item Type: Journal Article
Subjects: Q Science > QB Astronomy
Divisions: Faculty of Science > Physics
Library of Congress Subject Headings (LCSH): X-ray astronomy, Galactic nuclei, Black holes (Astronomy)
Journal or Publication Title: Science
Publisher: American Association for the Advancement of Science
ISSN: 0036-8075
Date: 2011
Volume: Vol.333
Number: No.6039
Page Range: pp. 199-202
Identification Number: 10.1126/science.1207143
Status: Peer Reviewed
Publication Status: Published
URI: http://wrap.warwick.ac.uk/id/eprint/39445

Data sourced from Thomson Reuters' Web of Knowledge

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