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GRB 101225A - a new class of GRBs?

Published online by Cambridge University Press:  05 September 2012

C. C. Thöne ,
A. de Ugarte Postigo ,
C. Fryer ,
K. Page ,
J. Gorosabel ,
D. Perley ,
M. Aloy  and
C. Kouveliotou
C. C. Thöne
Affiliation:
IAA - CSIC, Glorieta de la Astronomía s/n, E - 18008, Granada, Spain email: [email protected]
A. de Ugarte Postigo
Affiliation:
IAA - CSIC, Glorieta de la Astronomía s/n, E - 18008, Granada, Spain email: [email protected] Dark Cosmology Centre, Juliane Maries Vej 30, DK - 2100 Copenhagen, Denmark
C. Fryer
Affiliation:
Los Alamos National Laboratory, MS D409, CCS-2, Los Alamos, New Mexico 87545, USA
K. Page
Affiliation:
Dep. of Physics and Astronomy, Univ. of Leicester, University Road, Leicester LE1 7RH, UK
J. Gorosabel
Affiliation:
IAA - CSIC, Glorieta de la Astronomía s/n, E - 18008, Granada, Spain email: [email protected]
D. Perley
Affiliation:
Astronomy Department, UC Berkeley, 601 Campbell Hall, Berkeley, California 94720, USA
M. Aloy
Affiliation:
Departamento de Astronomia y Astrofisica, Universidad de Valencia, 46100 Burjassot, Spain
C. Kouveliotou
Affiliation:
Science and Technology Office, ZP12, NASA/MSFC, Huntsville, Alabama 35812, USA
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Abstract

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The Christmas burst, GRB 101225A, was one of the most controversial bursts in the last few years. Its exceptionally long duration but bright X-ray emission showing a thermal component followed by a strange afterglow with a thermal SED lead to two different interpretations. We present here our model ascribing this strange event to a new type of GRB progenitor consisting of a neutron star and an evolved main-sequence star in a very faint galaxy at redshift 0.33 while Campana et al. (2011) proposed a Galactic origin. New observations at several wavelengths might resolve the question between the two models in the near future.

Keywords

gamma rays: burstssupernovae: individual
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S279: Death of Massive Stars: Supernovae and Gamma-Ray Bursts , April 2011 , pp. 91 - 94
Copyright
Copyright © International Astronomical Union 2012

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