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GRB 030227: The first multiwavelength afterglow of an INTEGRAL GRB

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GRB 030227: The first multiwavelength afterglow of an INTEGRAL GRB

dc.contributor.author	Castro-Tirado, A. J.
dc.contributor.author	Gorosabel, J.
dc.contributor.author	Guziy, S.
dc.contributor.author	Reverte, D.
dc.contributor.author	Castro Cerón, J. M.
dc.contributor.author	de Ugarte Postigo, A.
dc.contributor.author	Tanvir, N.
dc.contributor.author	Mereghetti, S.
dc.contributor.author	Tiengo, A.
dc.contributor.author	Buckle, J.
dc.contributor.author	Sagar, R.
dc.contributor.author	Pandey, S.B.
dc.contributor.author	Mohan, V.
dc.contributor.author	Masetti, N.
dc.contributor.author	Mannucci, F.
dc.contributor.author	Feltzing, S.
dc.contributor.author	Lundstrom, I.
dc.contributor.author	Pedersen, H.
dc.contributor.author	Riess, C.
dc.contributor.author	Trushkin, S.
dc.contributor.author	Vílchez, J.
dc.contributor.author	Lund, N.
dc.contributor.author	Brandt, S.
dc.contributor.author	Martinez Nuñez, Silvia
dc.contributor.author	Reglero Velasco, Victor
dc.contributor.author	Pérez-Ramírez, M. D.
dc.contributor.author	Klose, S.
dc.contributor.author	Greiner, J.
dc.contributor.author	Hjorth, J.
dc.contributor.author	Kaper, L.
dc.contributor.author	Pian, E.
dc.contributor.author	Palazzi, E.
dc.contributor.author	Andersen, M.I.
dc.contributor.author	Fruchter, A.
dc.contributor.author	Fynbo, J. P. U.
dc.contributor.author	Jensen, J.L.
dc.contributor.author	Kouveliotou, C.
dc.contributor.author	Rhoads, J.
dc.contributor.author	Rol, E.
dc.contributor.author	Vreeswijk, P.M.
dc.contributor.author	Wijers, R. A. M. J.
dc.contributor.author	van den Heuvel, E.
dc.date.accessioned	2010-06-29T11:07:48Z
dc.date.available	2010-06-29T11:07:48Z
dc.date.issued	2003
dc.identifier.citation	CASTRO-TIRADO, A. J. et al. 2003, GRB 030227: The first multiwavelength afterglow of an INTEGRAL GRB, Astronomy and Astrophysics, vol. 411, no. 1, p. L315–L319	en
dc.identifier.uri	http://hdl.handle.net/10550/14020
dc.description.abstract	We present multiwavelength observations of a gamma-ray burst detected by INTEGRAL (GRB 030227) between 5.3 hours and ~1.7 days after the event. Here we report the discovery of a dim optical afterglow (OA) that would not have been detected by many previous searches due to its faintess (R ~ 23). This OA was seen to decline following a power law decay with index αR = −0.95 +- 0.16. The spectral index βopt/NIR yielded −1.25 +- 0.14. These values may be explained by a relativistic expansion of a fireball (with p = 2.0) in the cooling regime. We also find evidence for inverse Compton scattering in X-rays.	en
dc.language.iso	en	en
dc.subject	Gamma rays ; Bursts ; Photometric ; Cosmology observations	en
dc.title	GRB 030227: The first multiwavelength afterglow of an INTEGRAL GRB	en
dc.type	journal article	es_ES
dc.subject.unesco	UNESCO::ASTRONOMÍA Y ASTROFÍSICA	en
dc.subject.unesco	UNESCO::ASTRONOMÍA Y ASTROFÍSICA::Cosmología y cosmogonia	en
dc.identifier.doi	10.1051/0004-6361:20031393	en
dc.identifier.idgrec	003626	en
dc.type.hasVersion	VoR	es_ES
dc.identifier.url	http://www.aanda.org/articles/aa/pdf/2003/43/aaINTEGRAL21.pdf	en