Browsing by Author "Gorosabel, J."

Now showing items 1-20 of 30

    • 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 ...

    • A case of mistaken identity GRB 060912A and the nature of the long-short GRB divide 

      Levan, A.; Jakobsson, P.; Hurkett, C.; Tanvir, N.; Gorosabel, J.; Vreeswijk, P.M.; Rol, E.; Chapman, R.; Gehrels, N.; O'Brien, O.T.; Osborne, J.P.; Priddey, R.; Kouveliotou, C.; Starling, R.L.; Vanden Berk, D.; Wiersema, K. (2007)

    • Constraints on an optical afterglow and on supernova light following the short burst GRB 050813 

      Ferrero, P.; Sanchez, S.F.; Kann, D.A.; Klose, S.; Greiner, J.; Gorosabel, J.; Hartmann, D.H.; Henden, A.A.; Moller, P.; Palazzi, E.; Rau, A.; Stecklum, B.; Castro-Tirado, C.; Fynbo, J.; Hjorth, J.; Jakobsson, P.; Kouveliotou, C.; Masetti, N.; Pian, E.; Tanvir, N.; Wijers, R.A.M.J. (2007)

    • Early spectroscopic identification of SN 2008D 

      Malesani, D.; Fynbo, J.; Hjorth, J.; Leloudas, G.; Sollerman, J.; Stritzinger, M.; Vreeswijk, P.M.; Watson, D.; Gorosabel, J.; Michalowski, M.; Thone, C.C.; Augusteijn, T.; Bersier, D.; Jakobsson, P.; Jaunsen, A.O.; Ledoux, C.; Levan, A.; Milvang-Jensen, B.; Rol, E.; Tanvir, N.; Wiersema, K.; Xu, D. (2009)
      SN 2008D was discovered while following up an unusually bright X-ray transient (XT) in the nearby spiral galaxy NGC 2770. We present early optical spectra (obtained 1.75 days after the XT) which allowed the first identification ...

    • The extreme red afterglow of GRB 060923: distance or dust? 

      Tanvir, N.; Levan, A.; Rol, E.; Starling, R.L.; Gorosabel, J.; Priddey, R.; Malesani, D.; Jakobsson, P.; O'Brien, P.T.; Jaunsen, A.O.; Hjorth, J.; Fynbo, J.; Melandri, A.; Gomboc, A.; Milvang-Jensen, B.; Fruchter, A.S.; Jarvis, M.J.; Fernandes, C.A.C.; Wold, T. (2008)

    • An extremely luminous panchromatic outburst from the nucleus of a distant galaxy 

      Levan, Andrew; Tanvir, Nial; Cenko, S.B.; Perley, D.A.; Wiersema, K.; Bloom, J.S.; Fruchter, A.S.; Postigo, A.; O'Brien, O.T.; Butler, N.R.; van der Horst, A.J.; Leloudas, G.; Morgan, A.N.; Misra, K.; Bower, G.C.; Farihi, J.; Tunnicliffe, R.L.; Modjaz, M.; Silverman, J.M.; Hjorth, J.; Thone, C.C.; Cucchiara, A.; Ceron, J.M.C.; Castro-Tirado, A.J.; Arnold, J.A.; Bremer, M.; Brodie, J.P.; Carroll, T.; Cooper, M.C.; Curran, P.; Cutri, R.M.; Ehle, J.; Forbes, D.; Fynbo, J.; Gorosabel, J.; Graham, J.; Hoffman, D.I.; Guziy, S.; Jakobsson, Pall; Kamble, A.P.; Kerr, T.H.; Kasliwal, M.M.; Kouveliotou, C.; Kocevski, D.; Law, N.M.; Nugent, P.; Ofek, E.O.; Poznanski, D.; Quimby, R.M.; Rol, E.; Romanowsky, A.J.; Sanchez-Ramirez, R.; Schulze, S.; Singh, N.; Van Spaandonk, Lieke; Starling, R.L.; Strom, R.G.; Tello, J.C.; Vaduvescu, O.; Wheatley, P.J.; Wijers, R.A.M.J.; Winters, J.M.; Xu, D. (2011)
      Variable x-ray and gamma-ray emission is characteristic of the most extreme physical processes in the universe. We present multiwavelength observations of a unique gamma-ray-selected transient detected by the Swift satellite, ...

    • Fundamental Properties of GRB-Selected Galaxies: A Swift/VLT Legacy Survey 

      Jakobsson, P.; Hjorth, J.; Fynbo, J.; Gorosabel, J.; Jaunsen, A.O. (2007)

    • The GRB 030329 host: a blue low metallicity subluminous galaxy with intense star formation 

      Gorosabel, J.; Perez-Ramirez, D.; Sollerman, J.; de Ugarte Postigo, A.; Fynbo, J.; Castro-Tirado, A.J.; Jakobsson, P.; Christensen, L.; Hjorth, J.; Johannesson, G.; Guziy, S.; Castro Ceron, J.M.; Bjornsson, G.; Sokolov, V.V.; Fatkhullin, T.A.; Nilsson, K. (2005)

    • 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)

    • GRB 060206 and the quandary of achromatic breaks in afterglow light curves 

      Curran, P.; van der Horst, A.J.; Wijers, R.A.M.J.; Starling, R.L.; Castro-Tirado, A.J.; Fynbo, J.; Gorosabel, J.; Jarvinen, A.S.; Malesani, D.; Rol, E.; Tanvir, N.; Wiersema, K.; Burleigh, M.R.; Casewell, S.L.; Dobbie, P.D.; Guziy, S.; Jakobsson, P.; Jelinek, M.; Laursen, P.; Levan, A.; Mundell, C.G.; Naranen, J.; Piranomonte, S. (2007)

    • 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)

    • Low-resolution VLT spectroscopy of GRBs 991216, 011211 and 021211 

      Vreeswijk, P.M.; Smette, A.; Fruchter, S.; Palazzi, E.; Rol, E.; Wijers, R.A.M.J.; Kouveliotou, C.; Kaper, L.; Pian, E.; Masetti, N.; Frontera, F.; Hjorth, J.; Gorosabel, J.; Piro, L.; Fynbo, J.; Jakobsson, P.; Watson, D.; O'Brien, P.T.; Ledoux, C. (2006)

    • Ly+ and ultraviolet emission from high-redshift gamma-ray burst hosts: to what extent do gamma-ray bursts trace star formation 

      Jakobsson, P.; Bjornsson, G.; Fynbo, J.; Johannesson, G.; Hjorth, J.; Thomsen, B.; Moller, P.; Watson, D.; Jensen, B.L.; Ostlin, G.; Gorosabel, J.; Gudmundsson, E.H. (2005)

    • 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)

    • The nature of the x-ray flash of August 24 2005 

      Sollerman, J.; Fynbo, J.; Gorosabel, J.; Halpern, J.P.; Hjorth, J.; Jakobsson, P.; Mirabal, N.; Watson, D.; Xu, D.; Castro-Tirado, A.J.; Feron, C.; Jaunsen, A.O.; Jelinek, M.; Jensen, B.L.; Kann, D.A.; Ovaldsen, J-E.; Pozanenko, A.; Stritzinger, M.; Thoene, C.C.; de Ugarte Postigo, A.; Guziy, S.; Ibrahimov, M.; Jaervinen, S.P.; Levan, A.; Rumyantsev, V.; Tanvir, N. (2007)

    • 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)

    • On the Lyalpha emission from gamma-ray burst host galaxies: Evidence for low metallicities 

      Fynbo, J.; Jakobsson, P.; Moller, P.; Hjorth, J.; Thomsen, B.; Andersen, M.I.; Fruchter, A.S.; Gorosabel, J.; Holland, S.T.; Ledoux, C.; Pedersen, H.; Rhoads, J.E.; Weidinger, M.; Wijers, R.A.M.J. (2003)

    • On the nature of the short duration GRB 050906 

      Levan, A.; Tanvir, N.; Jakobsson, P.; Chapman, R.; Hjorth, J.; Priddey, R.; Fynbo, J.; Hurley, K.; Jensen, B.L.; Johnson, R.; Gorosabel, J.; Castro-Tirado, A.J.; Jarvis, M.J.; Watson, D.; Wiersema, K. (2008)