A New Population of Ultra-Long Duration Gamma-Ray Bursts

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Levan, A. J.
Tanvir, Nial R
Starling, R L C
Wiersema, K
Page, K L
Perley, Daniel
Schulze, Steve
Wynn, Graham A.
Chornock, R
Hjorth, Jens

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IOP Publishing

Abstract

We present comprehensive multiwavelength observations of three gamma-ray bursts (GRBs) with durations of several thousand seconds. We demonstrate that these events are extragalactic transients; in particular, we resolve the long-standing conundrum of the

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Astrophysical Journal, The

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Open Access

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