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GRB 101225A: An unusual stellar death on christmas day

Thöne, CC and De Ugarte Postigo, A and Fryer, CL and Page, KL and Gorosabel, J and Aloy, M and Perley, DA (2013) GRB 101225A: An unusual stellar death on christmas day. In: Revista Mexicana de Astronomia y Astrofisica: Serie de Conferencias , 42. pp. 34-35. (Fourth Science Meeting with the GTC, 16-18th November 2011, Santa Cruz de la Palma, Spain).

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Abstract

Gamma-ray bursts are usually followed by afterglows produced by synchrotron radiation which makes them detectable out to the far Universe. Here we present the unusual GRB 101225A, also named the "Christmas burst", an extremely long 7-ray burst followed by a bright X-ray afterglow and a peculiar optical counterpart. The X-ray spectrum shows an additional thermal component while the UV-optical-IR SED evolves as a cooling, expanding black-body until 10 days, after which a faint supernova emerges. With GTC/OSIRIS, we detect an extremely faint host galaxy 6 months after the burst. © 2013: Instituto de Astronomía, UNAM - Fourth Science Meeting with the GTC Ed. C. Muñoz-Tuñón & J. M. Rodríguez-Espinosa.

Item Type: Conference or Workshop Item (Paper)
Subjects: Q Science > QB Astronomy
Q Science > QC Physics
Divisions: Astrophysics Research Institute
Publisher: RMxAA
Date Deposited: 24 May 2017 09:32
Last Modified: 24 May 2017 09:32
URI: http://researchonline.ljmu.ac.uk/id/eprint/6566

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