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Browsing by Author "Pedersen, K."
Now showing items 1-16 of 16
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Absorption systems in the spectrum of GRB 021004
Moller, P.; Fynbo, J.; Hjorth, J.; Thomsen, B.; Egholm, M.P.; Andersen, M.I.; Gorosabel, J.; Holland, S.T.; Jakobsson, P.; Jensen, B.L.; Pedersen, H.; Pedersen, K.; Weidinger, M. (2002)We report on a 3600 s spectrum of GRB 021004 obtained with the Nordic Optical Telecope on La Palma 10.71 hours after the burst. We identify absorption lines from five systems at redshifts 1.3806, 1.6039, 2.2983, 2.3230, ... -
The afterglow and the host galaxy of GRB 011211
Jakobsson, P.; Hjorth, J.; Fynbo, J.; Gorosabel, J.; Pedersen, K.; Burud, I.; Levan, A.; Kouveliotou, C.; Tanvir, N.; Fruchter, A.S.; Rhoads, J.E.; Grav, T.; Hansen, M.W.; Michelsen, R.; Andersen, M.I.; Jensen, B.L.; Pedersen, K.; Thomsen, B.; Weidinger, M.; Causik, R.; Pandey, S.B. (2003)We present optical, near-infrared, and X-ray observations of the optical afterglow (OA) of the X-ray rich, longduration gamma-ray burst GRB 011211. Hubble Space Telescope (HST) data obtained 14, 26, 32, and 59 days after ... -
Are short y-ray bursts collimated GRB 050709, a flare but no break
Watson, D.; Hjorth, J.; Jakobsson, P.; Xu, D.; Fynbo, J.; Sollerman, J.; Thone, C.C.; Pedersen, K. (2006)Context. From the small sample of afterglow lightcurves of short duration γ-ray bursts (GRBs), the decays are rapid, roughly following a power-law in time. It has been assumed that the afterglow emission in short GRBs is ... -
GRB 050509B: Constraints on Short Gamma Ray Burst Models
Hjorth, J.; Sollerman, J.; Gorosabel, J.; Granot, J.; Klose, S.; Kouveliotou, C.; Melinder, J.; Ramirez-Ruiz, E.; Starling, R.L.; Thomsen, B.; Anderson, M.I.; Fynbo, J.; Jensen, B.L.; Vreeswijk, P.M.; Castro Ceron, J.M.; Jakobsson, P.; Levan, A.; Pedersen, K.; Rhoads, J.E.; Tanvir, N.; Watson, D.; Wijers, R.A.M.J. (2005-09) -
The line-of-sight towards GRB 030429 at z =2.66: Probing the matter at stellar, galactic and intergalactic scales
Jakobsson, P.; Hjorth, J.; Fynbo, J.; Weidinger, M.; Gorosabel, J.; Ledoux, C.; Watson, D.; Bjornsson, G.; Gudmundsson, E.H.; Wijers, R.A.M.J.; Moller, P.; Pedersen, K.; Sollerman, J.; Henden, A.A.; Jensen, B.L.; Gilmore, A.; Levan, A.; Castro Ceron, J.M.; Castro-Tirado, A.J.; Fruchter, A.S.; Kouveliotou, C.; Masetti, N.; Tanvir, N. (2004-12) -
Massive star-formation rates of y-ray burst host galaxies: An unobscured view in X-rays
Watson, D.; Hjorth, J.; Jakobsson, P.; Pedersen, K.; Patel, S.K.; Kouveliotou, C. (2004) -
A Mean Redshift of 2.8 for Swift gamma - ray bursts
Jakobsson, P.; Levan, A.; Fynbo, J.; Priddey, R.; Hjorth, J.; Tanvir, N.; Watson, D.; Jensen, B.L.; Sollerman, J.; Natarajan, P.; Gorosabel, J.; Castro Ceron, J.M.; Pedersen, K.; Pursimo, T.; Arnadottir, A.S.; Castro-Tirado, A.J.; Davis, C.J.; Deeg, H-J.; Fiuza, D.A.; Mykolaitis, S.; Sousa, S.G. (2006-03) -
On the Afterglow and Host Galaxy of GRB 021004: A Comprehensive Study with the Hubble Space Telescope
Fynbo, J.; Gorosabel, J.; Smette, A.; Fruchter, A.S.; Hjorth, J.; Pedersen, K.; Levan, A.; Burud, I.; Sahu, K.; Vreeswijk, P.M.; Kouveliotou, C.; Tanvir, N.; Thorsett, S.E.; Wijers, R.A.M.J.; Castro Ceron, J.M.; Castro-Tirado, A.J.; Garnivich, P.; Holland, S.T.; Jakobsson, P.; Moller, P.; Nugent, P.; Pian, E.; Rhoads, J.E.; Thomsen, B.; Watson, D.; Woosley, S.E. (2005) -
On the Afterglow of the X-ray Flash of 2003 July 23: Photometric evdence for an Off-Axis Gamma-Ray burst with an Associated Supernova
Fynbo, J.; Sollerman, J.; Hjorth, J.; Grundahl, F.; Gorosabel, J.; Weidinger, M.; Moller, P.; Jensen, B.L.; Vreeswijk, P.M.; Fransson, C.; Ramirez-Ruiz, E.; Jakobsson, P.; Jorgensen, S.F.; Vinter, C.; Andersen, M.I.; Castro Ceron, J.M.; Castro-Tirado, A.J.; Fruchter, A.S.; Greiner, J.; Kouveliotou, C.; Levan, A.; Klose, S.; Masetti, N.; Pedersen, K.; Palazzi, E.; Pian, E.; Rhoads, J.E.; Rol, E.; Sekiguchi, T.; Tanvir, N.; Tristram, P.J.; Postigo, A.; Wijers, R.A.M.J.; van den Heuvel, E.P.J. (2004-07) -
Optical Photometry of GRB 021004 : The First Month
Holland, S.T.; Weidinger, M.; Fynbo, J.; Gorosabel, J.; Hjorth, J.; Pedersen, K.; Mendez Alvarez, J.; Augusteijn, T.; Castro Ceron, J.M.; Castro-Tirado, A.J.; Dahle, H.; Egholm, M.P.; Jakobsson, P.; Jensen, B.L.; Levan, A.; Moller, P.; Pedersen, H.; Pursimo, T.; Ruiz-Lapuente, P.; Thomsen, B. (2003) -
Probing cosmic chemical evolution with gamma-ray bursts: GRB 060206 at z = 4.048
Fynbo, J.; Starling, R.L.; Ledoux, C.; Wiersema, K.; Thoene, C.C.; Sollerman, J.; Jakobsson, P.; Hjorth, J.; Watson, D.; Vreeswijk, P.M.; Moller, P.; Rol, E.; Gorosabel, J.; Naranen, J.; Wijers, R.A.M.J.; Bjornsson, G.; Castro Ceron, J.M.; Curran, P.; Hartmann, D.H.; Holland, S.T.; Jensen, B.L.; Levan, A.; Limousin, M.; Kouveliotou, C.; Nelemans, G.; Pedersen, K.; Priddey, R.; Tanvir, N. (2006) -
The Short Gamma-Ray Burst Revolution
Hjorth, J.; Levan, A.; Tanvir, N.; Starling, R.L.; Klose, S.; Kouveliotou, C.; Feron, C.; Ferrero, P.; Fruchter, A.S.; Fynbo, J.; Gorosabel, J.; Jakobsson, P.; Kann, D.A.; Pedersen, K.; Ramirez-Ruiz, E.; Sollerman, J.; Thone, C.C.; Watson, D.; Wiersema, K.; Xu, D. (2006) -
Small-scale variations in the radiating surface of the GRB 011211 jet
Jakobsson, P.; Hjorth, J.; Ramirez-Ruiz, E.; Kouveliotou, C.; Pedersen, K.; Fynbo, J.; Gorosabel, J.; Watson, D.; Jensen, B.L.; Hansen, M.W.; Michelsen, R.; Andersen, M.I.; Weidinger, M.; Pedersen, H.; Grav, T. (2004) -
The supernova 2003lw associated with X-ray flash 031203
Thomsen, B.; Hjorth, J.; Watson, D.; Gorosabel, J.; Fynbo, J.; Jensen, B.L.; Andersen, M.I.; Dall, T.H.; Rasmussen, J.R.; Bruntt, H.; Laurikainen, E.; Augusteijn, T.; Pursimo, T.; Germany, L.; Jakobsson, P.; Pedersen, K. (2004) -
Swift identification of dark gamma-ray bursts
Jakobsson, P.; Hjorth, J.; Fynbo, J.; Watson, D.; Pedersen, K.; Bjornsson, G.; Gorosabel, J. (2004) -
A very energetic supernova associated with the -ray burst of 29 March 2003
Hjorth, J.; Sollerman, J.; Moller, P.; Fynbo, J.; Woosley, S.E.; Kouveliotou, C.; Tanvir, N.; Greiner, J.; Andersen, M.I.; Castro-Tirado, A.J.; Castro Ceron, J.M.; Fruchter, A.S.; Gorosabel, J.; Jakobsson, P.; Kaper, L.; Klose, S.; Masetti, N.; Pedersen, H.; Pedersen, K.; Pian, E.; Palazzi, E.; Rhoads, J.E.; Rol, E.; van den Heuvel, E.P.J.; Vreeswijk, P.M.; Watson, D.; Wijers, R.A.M.J. (2003)