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GRB 030227 : The fi...
GRB 030227 : The first multiwavelength afterglow of an INTEGRAL GRB
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Castro-Tirado, A. J. (author)
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Gorosabel, J. (author)
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Guziy, S. (author)
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Reverte, D. (author)
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Castro Cerón, J. M. (author)
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de Ugarte Postigo, A. (author)
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Tanvir, N. (author)
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Mereghetti, S. (author)
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Tiengo, A. (author)
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Buckle, J. (author)
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Sagar, R. (author)
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Pandey, S. B. (author)
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Mohan, V. (author)
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Masetti, N. (author)
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Mannucci, F. (author)
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- Feltzing, Sofia (author)
- Lund University,Lunds universitet,Astronomi - Genomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Lund Observatory - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science
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- Lundström, Ingemar (author)
- Lund University,Lunds universitet,Astronomi - Genomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Lund Observatory - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science
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Pedersen, H. (author)
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Riess, C. (author)
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Trushkin, S. (author)
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Vílchez, J. (author)
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Lund, N. (author)
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Brandt, S. (author)
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Martínez Núñez, S. (author)
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Reglero, V. (author)
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Pérez-Ramírez, M. D. (author)
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Klose, S. (author)
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Greiner, J. (author)
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Hjorth, J. (author)
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Kaper, L. (author)
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Pian, E. (author)
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Palazzi, E. (author)
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Andersen, M. I. (author)
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Fruchter, A. (author)
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Fynbo, J. P. U. (author)
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Jensen, B. L. (author)
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Kouveliotou, C. (author)
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Rhoads, J. (author)
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Rol, E. (author)
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Vreeswijk, P. M. (author)
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Wijers, R. A. M. J. (author)
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van den Heuvel, E. (author)
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(creator_code:org_t)
- 2003-11-17
- 2003
- English.
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In: Astronomy & Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 411:1, s. 315-319
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Abstract
Subject headings
Close
- We present multiwavelength observations of a gamma-ray burst detected byINTEGRAL (GRB 030227) between 5.3 hours and ~ 1.7days after the event. Here we report the discovery of a dim opticalafterglow (OA) that would not have been detected by many previoussearches due to its faintess (R ~ 23). This OA was seen to declinefollowing a power law decay with index alpha R = -0.95 +/-0.16. The spectral index beta_ opt/NIR yielded -1.25 +/- 0.14. Thesevalues may be explained by a relativistic expansion of a fireball (withp = 2.0) in the cooling regime. We also find evidence for inverseCompton scattering in X-rays.Based on observations with INTEGRAL, an ESA project with instruments andscience data centre funded by ESA member states (especially the PIcountries: Denmark, France, Germany, Italy, Switzerland, Spain), CzechRepublic and Poland, and with the participation of Russia and the USA.Also partially based on observations collected by the Gamma-Ray BurstCollaboration at ESO (GRACE) at the European Southern Observatory, Chile(ESO Large Programme 165.H-0464).
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- gamma rays: bursts
- techniques: photometric
- cosmology: observations
Publication and Content Type
- art (subject category)
- ref (subject category)
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To the university's database
- By the author/editor
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Castro-Tirado, A ...
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Gorosabel, J.
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Guziy, S.
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Reverte, D.
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Castro Cerón, J. ...
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de Ugarte Postig ...
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show more...
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Tanvir, N.
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Mereghetti, S.
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Tiengo, A.
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Buckle, J.
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Sagar, R.
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Pandey, S. B.
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Mohan, V.
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Masetti, N.
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Mannucci, F.
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Feltzing, Sofia
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Lundström, Ingem ...
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Pedersen, H.
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Riess, C.
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Trushkin, S.
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Vílchez, J.
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Lund, N.
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Brandt, S.
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Martínez Núñez, ...
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Reglero, V.
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Pérez-Ramírez, M ...
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Klose, S.
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Greiner, J.
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Hjorth, J.
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Kaper, L.
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Pian, E.
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Palazzi, E.
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Andersen, M. I.
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Fruchter, A.
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Fynbo, J. P. U.
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Jensen, B. L.
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Kouveliotou, C.
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Rhoads, J.
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Rol, E.
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Vreeswijk, P. M.
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Wijers, R. A. M. ...
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van den Heuvel, ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
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Astronomy & Astr ...
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Lund University