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An extremely luminous outburst from a relativistic tidal disruption event
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Levan, Andrew J. (2011) An extremely luminous outburst from a relativistic tidal disruption event. Proceedings of the International Astronomical Union, Vol.7 (No.S285). pp. 349-351. doi:10.1017/S1743921312001032
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Official URL: http://dx.doi.org/10.1017/S1743921312001032
Abstract
We present the discovery and monitoring observations of Swift 1644+57, a luminous outburst from the nucleus of a galaxy at z = 0.35. Precise astrometry ties the source to within a few hundred parsecs of the nucleus of its host, and suggests a link to the massive black hole that probably resides there. The high luminosity and rapid variability are strongly indicative of a beamed source. We suggest that this event is best explained by the tidal disruption of a passing star by the supermassive black hole, which simultaneously created a powerful panchromatic explosion. However, it has also been proposed that such events may be related to the core collapse of massive stars. Future observations of a sample of similar events, focussing on their locations within the hosts, should distinguish in a straightforward manner between the two proposals.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science > Physics | ||||
| Journal or Publication Title: | Proceedings of the International Astronomical Union | ||||
| Publisher: | Cambridge University Press | ||||
| ISSN: | 1743-9213 | ||||
| Official Date: | 2011 | ||||
| Dates: |
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| Volume: | Vol.7 | ||||
| Number: | No.S285 | ||||
| Page Range: | pp. 349-351 | ||||
| DOI: | 10.1017/S1743921312001032 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Description: | A. J. Levan on behalf of a larger collaboration |
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