Items where Author is "Hjorth, J."

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Article

Massive stars formed in atomic hydrogen reservoirs : HI observations of gamma-ray burst host galaxies. (2015) Michał J. Michałowski, G. Gentile, J. Hjorth, M. R. Krumholz, N. R. Tanvir, P. Kamphuis, D. Burlon, M. Baes, S. Basa, S. Berta, J. M. Castro Ceron, D. Crosby, V. D'Elia, J. Elliott, J. Greiner, L. K. Hunt, S. Klose, M. P. Koprowski, E. Le Floc'h, D. Malesani, T. Murphy, A. Nicuesa Guelbenzu, E. Palazzi, J. Rasmussen, A. Rossi, S. Savaglio, P. Schady, J. Sollerman, A. de Ugarte Postigo, D. Watson, P. van der Werf, S. D. Vergani and D. Xu

Spatially-resolved dust properties of the GRB 980425 host galaxy. (2014) Michał J. Michałowski, L. K. Hunt, E. Palazzi, S. Savaglio, G. Gentile, J. Rasmussen, M. Baes, S. Basa, S. Bianchi, S. Berta, D. Burlon, J. M. Castro Ceron, S. Covino, J. -G. Cuby, V. D'Elia, P. Ferrero, D. Gotz, J. Hjorth, M. P. Koprowski, D. Le Borgne, E. Le Floc'h, D. Malesani, T. Murphy, E. Pian, S. Piranomonte, J. Sollerman, N. R. Tanvir, A. de Ugarte Postigo, D. Watson, P. van der Werf, S. D. Vergani and D. Xu

The optically unbiased GRB host (tough) survey. III : Redshift distribution. (2012) P. Jakobsson, J. Hjorth, D. Malesani, Robert Chapman, J. P. U. Fynbo, N. R. Tanvir, B. Milvang-Jensen, P.M. Vreeswijk, G. Letawe and R.L.C. Starling

An extremely luminous panchromatic outburst from the nucleus of a distant galaxy. (2011) Andrew Levan, Nial Tanvir, S.B. Cenko, D.A. Perley, K. Wiersema, J.S. Bloom, A.S. Fruchter, A. Postigo, O.T. O'Brien, N.R. Butler, A.J. van der Horst, G. Leloudas, A.N. Morgan, K. Misra, G.C. Bower, J. Farihi, R.L. Tunnicliffe, M. Modjaz, J.M. Silverman, J. Hjorth, C.C. Thone, A. Cucchiara, J.M.C. Ceron, A.J. Castro-Tirado, J.A. Arnold, M. Bremer, J.P. Brodie, T. Carroll, M.C. Cooper, P. Curran, R.M. Cutri, J. Ehle, D. Forbes, J. Fynbo, J. Gorosabel, J. Graham, D.I. Hoffman, S. Guziy, Pall Jakobsson, A.P. Kamble, T.H. Kerr, M.M. Kasliwal, C. Kouveliotou, D. Kocevski, N.M. Law, P. Nugent, E.O. Ofek, D. Poznanski, R.M. Quimby, E. Rol, A.J. Romanowsky, R. Sanchez-Ramirez, S. Schulze, N. Singh, Lieke Van Spaandonk, R.L. Starling, R.G. Strom, J.C. Tello, O. Vaduvescu, P.J. Wheatley, R.A.M.J. Wijers, J.M. Winters and D. Xu

Late-time observations of GRB 080319B: jet break, host galaxy and accompanying supernova. (2010) N. Tanvir, E. Rol, A. Levan, K. Svensson, A.S. Fruchter, J. Granot, P.T. O'Brien, K. Wiersema, R.L. Starling, P. Jakobsson, J. Fynbo, J. Hjorth, P. Curran, A.J. van der Horst, C. Kouveliotou, J.L. Racusin, D.N. Burrows and F. Genet

Photometry and Spectroscopy of GRB 060526 : A detailed study of the afterglow and host of a high-redshift gamma-ray burst. (2010) C.C. Thoene, D.A. Kann, G. Johannesson, J. Selj, A.O. Jaunsen, J. Fynbo, K.S. Baliyan, C. Bartolini, I.F. Bikmaev, J.S. Bloom, R.A. Burenin, B.E. Cobb, S. Covino, P.A. Curran, H. Dahle, J. French, S. Ganesh, G. Greco, A. Guarnieri, L. Hanlon, J. Hjorth, M. Ibrahimov, G.L. Israel, Pall Jakobsson, B.L. Jensen, U.G. Jorgensen, I.M. Khamitov, D. Malesani, N. Masetti, J. Naranen, E. Pakstiene, M.N. Pavlinsky, D.A. Perley, A. Piccioni, G. Pizzichini, A. Pozanenko, D. Nanni, V. Rumyantsev, D. Sharapov, D. Starr, R.A. Sunyaev, F. Terra, P.M. Vreeswijk and C. Wilson

Early spectroscopic identification of SN 2008D. (2009) D. Malesani, J. Fynbo, J. Hjorth, G. Leloudas, J. Sollerman, M. Stritzinger, P.M. Vreeswijk, D. Watson, J. Gorosabel, M. Michalowski, C.C. Thone, T. Augusteijn, D. Bersier, P. Jakobsson, A.O. Jaunsen, C. Ledoux, A. Levan, B. Milvang-Jensen, E. Rol, N. Tanvir, K. Wiersema and D. Xu

On the nature of the short duration GRB 050906. (2008) A. Levan, N. Tanvir, P. Jakobsson, R. Chapman, J. Hjorth, R. Priddey, J. Fynbo, K. Hurley, B.L. Jensen, R. Johnson, J. Gorosabel, A.J. Castro-Tirado, M.J. Jarvis, D. Watson and K. Wiersema

The extreme red afterglow of GRB 060923: distance or dust? (2008) N. Tanvir, A. Levan, E. Rol, R.L. Starling, J. Gorosabel, R. Priddey, D. Malesani, P. Jakobsson, P.T. O'Brien, A.O. Jaunsen, J. Hjorth, J. Fynbo, A. Melandri, A. Gomboc, B. Milvang-Jensen, A.S. Fruchter, M.J. Jarvis, C.A.C. Fernandes and T. Wold

Constraints on an optical afterglow and on supernova light following the short burst GRB 050813. (2007) P. Ferrero, S.F. Sanchez, D.A. Kann, S. Klose, J. Greiner, J. Gorosabel, D.H. Hartmann, A.A. Henden, P. Moller, E. Palazzi, A. Rau, B. Stecklum, C. Castro-Tirado, J. Fynbo, J. Hjorth, P. Jakobsson, C. Kouveliotou, N. Masetti, E. Pian, N. Tanvir and R.A.M.J. Wijers

Fundamental Properties of GRB-Selected Galaxies: A Swift/VLT Legacy Survey. (2007) P. Jakobsson, J. Hjorth, J. Fynbo, J. Gorosabel and A.O. Jaunsen

Very different X-ray to optical column density ratios in gamma-ray burst afterglows: ionisation in GRB environments. (2007) D. Watson, J. Hjorth, J. Fynbo, P. Jakobsson, S. Foley, J. Sollerman and R.A.M.J. Wijers

The nature of the x-ray flash of August 24 2005. (2007) J. Sollerman, J. Fynbo, J. Gorosabel, J.P. Halpern, J. Hjorth, P. Jakobsson, N. Mirabal, D. Watson, D. Xu, A.J. Castro-Tirado, C. Feron, A.O. Jaunsen, M. Jelinek, B.L. Jensen, D.A. Kann, J-E. Ovaldsen, A. Pozanenko, M. Stritzinger, C.C. Thoene, A. de Ugarte Postigo, S. Guziy, M. Ibrahimov, S.P. Jaervinen, A. Levan, V. Rumyantsev and N. Tanvir

A Mean Redshift of 2.8 for Swift gamma - ray bursts. (2006) P. Jakobsson, A. Levan, J. Fynbo, R. Priddey, J. Hjorth, N. Tanvir, D. Watson, B.L. Jensen, J. Sollerman, P. Natarajan, J. Gorosabel, J.M. Castro Ceron, K. Pedersen, T. Pursimo, A.S. Arnadottir, A.J. Castro-Tirado, C.J. Davis, H-J. Deeg, D.A. Fiuza, S. Mykolaitis and S.G. Sousa

Are short y-ray bursts collimated GRB 050709, a flare but no break. (2006) D. Watson, J. Hjorth, P. Jakobsson, D. Xu, J. Fynbo, J. Sollerman, C.C. Thone and K. Pedersen

The Faint Afterglow and Host Galaxy of the Short Hard GRB 060121. (2006) A. Levan, N. Tanvir, A.S. Fruchter, E. Rol, J. Fynbo, J. Hjorth, G. Williams, E. Bergeron, D. Bersier, M. Bremer, T. Grav, P. Jakobsson, K. Nilsson, E. Olszewski, R. Priddey, D. Rafferty and J.E. Rhoads

HI column densities of z>2 Swift gamma-ray bursts. (2006) P. Jakobsson, J. Fynbo, C. Ledoux, P.M. Vreeswijk, D.A. Kann, J. Hjorth, R. Priddey, N. Tanvir and D. Reichart

Low-resolution VLT spectroscopy of GRBs 991216, 011211 and 021211. (2006) P.M. Vreeswijk, A. Smette, S. Fruchter, E. Palazzi, E. Rol, R.A.M.J. Wijers, C. Kouveliotou, L. Kaper, E. Pian, N. Masetti, F. Frontera, J. Hjorth, J. Gorosabel, L. Piro, J. Fynbo, P. Jakobsson, D. Watson, P.T. O'Brien and C. Ledoux

Microlensing variability in time-delay quasars. (2006) D. Paraficz, J. Hjorth, I. Burud, P. Jakobsson and A. Eliasdottir

No supernovae associated with two long-duration gamma ray bursts. (2006) J. Fynbo, D. Watson, C.C. Thoene, J. Sollerman, J.S. Bloom, T.M. Davis, J. Hjorth and P. Jakobsson

Probing cosmic chemical evolution with gamma-ray bursts: GRB 060206 at z = 4.048. (2006) J. Fynbo, R.L. Starling, C. Ledoux, K. Wiersema, C.C. Thoene, J. Sollerman, P. Jakobsson, J. Hjorth, D. Watson, P.M. Vreeswijk, P. Moller, E. Rol, J. Gorosabel, J. Naranen, R.A.M.J. Wijers, G. Bjornsson, J.M. Castro Ceron, P. Curran, D.H. Hartmann, S.T. Holland, B.L. Jensen, A. Levan, M. Limousin, C. Kouveliotou, G. Nelemans, K. Pedersen, R. Priddey and N. Tanvir

The Short Gamma-Ray Burst Revolution. (2006) J. Hjorth, A. Levan, N. Tanvir, R.L. Starling, S. Klose, C. Kouveliotou, C. Feron, P. Ferrero, A.S. Fruchter, J. Fynbo, J. Gorosabel, P. Jakobsson, D.A. Kann, K. Pedersen, E. Ramirez-Ruiz, J. Sollerman, C.C. Thone, D. Watson, K. Wiersema and D. Xu

Supernova 2006aj and the associated X-Ray Flash 060218. (2006) J. Sollerman, A.O. Jaunsen, J. Fynbo, J. Hjorth, P. Jakobsson, M. Stritzinger, C. Feron, P. Laursen, J-E. Ovaldsen, J. Selj, C.C. Thone, D. Xu, T.M. Davis, J. Gorosabel, D. Watson, R. Duro, I. Ilyin, B.L. Jensen, N. Lysfjord, T. Marquart, T.B. Nielsen, J. Naranen, H.E. Schwarz, S. Walch, M. Wold and G. Ostlin

GRB 050509B: Constraints on Short Gamma Ray Burst Models. (2005) J. Hjorth, J. Sollerman, J. Gorosabel, J. Granot, S. Klose, C. Kouveliotou, J. Melinder, E. Ramirez-Ruiz, R.L. Starling, B. Thomsen, M.I. Anderson, J. Fynbo, B.L. Jensen, P.M. Vreeswijk, J.M. Castro Ceron, P. Jakobsson, A. Levan, K. Pedersen, J.E. Rhoads, N. Tanvir, D. Watson and R.A.M.J. Wijers

The GRB 030329 host: a blue low metallicity subluminous galaxy with intense star formation. (2005) J. Gorosabel, D. Perez-Ramirez, J. Sollerman, A. de Ugarte Postigo, J. Fynbo, A.J. Castro-Tirado, P. Jakobsson, L. Christensen, J. Hjorth, G. Johannesson, S. Guziy, J.M. Castro Ceron, G. Bjornsson, V.V. Sokolov, T.A. Fatkhullin and K. Nilsson

Ly+ and ultraviolet emission from high-redshift gamma-ray burst hosts: to what extent do gamma-ray bursts trace star formation. (2005) P. Jakobsson, G. Bjornsson, J. Fynbo, G. Johannesson, J. Hjorth, B. Thomsen, P. Moller, D. Watson, B.L. Jensen, G. Ostlin, J. Gorosabel and E.H. Gudmundsson

On the Afterglow and Host Galaxy of GRB 021004: A Comprehensive Study with the Hubble Space Telescope. (2005) J. Fynbo, J. Gorosabel, A. Smette, A.S. Fruchter, J. Hjorth, K. Pedersen, A. Levan, I. Burud, K. Sahu, P.M. Vreeswijk, C. Kouveliotou, N. Tanvir, S.E. Thorsett, R.A.M.J. Wijers, J.M. Castro Ceron, A.J. Castro-Tirado, P. Garnivich, S.T. Holland, P. Jakobsson, P. Moller, P. Nugent, E. Pian, J.E. Rhoads, B. Thomsen, D. Watson and S.E. Woosley

Spectro-photometric study of the GRB 030329 host galaxy. (2005) J. Gorosabel, D. Perez-Ramirez, J. Sollerman, A. de Ugarte Postigo, J. Fynbo, A.J. Castro-Tirado, P. Jakobsson, L. Christensen, J. Hjorth, G. Johannesson, S. Guziy, J.M. Castro Ceron, G. Bjornsson, V.V. Sokolov and T.A. Fatkhullin

An optical time delay for the double gravitational lens system FBQ 0951+2635. (2005) P. Jakobsson, J. Hjorth, I. Burud, G. Letawe, C. Lidman and F. Courbin

The line-of-sight towards GRB 030429 at z =2.66: Probing the matter at stellar, galactic and intergalactic scales. (2004) P. Jakobsson, J. Hjorth, J. Fynbo, M. Weidinger, J. Gorosabel, C. Ledoux, D. Watson, G. Bjornsson, E.H. Gudmundsson, R.A.M.J. Wijers, P. Moller, K. Pedersen, J. Sollerman, A.A. Henden, B.L. Jensen, A. Gilmore, A. Levan, J.M. Castro Ceron, A.J. Castro-Tirado, A.S. Fruchter, C. Kouveliotou, N. Masetti and N. Tanvir

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. (2004) J. Fynbo, J. Sollerman, J. Hjorth, F. Grundahl, J. Gorosabel, M. Weidinger, P. Moller, B.L. Jensen, P.M. Vreeswijk, C. Fransson, E. Ramirez-Ruiz, P. Jakobsson, S.F. Jorgensen, C. Vinter, M.I. Andersen, J.M. Castro Ceron, A.J. Castro-Tirado, A.S. Fruchter, J. Greiner, C. Kouveliotou, A. Levan, S. Klose, N. Masetti, K. Pedersen, E. Palazzi, E. Pian, J.E. Rhoads, E. Rol, T. Sekiguchi, N. Tanvir, P.J. Tristram, A. Postigo, R.A.M.J. Wijers and E.P.J. van den Heuvel

GRB afterglows: illuminating the star-forming universe. (2004) P.M. Vreeswijk, P. Moller, C. Ledoux, C. Ellison, N. Masetti, J. Fynbo, P. Jakobsson and J. Hjorth

Massive star-formation rates of y-ray burst host galaxies: An unobscured view in X-rays. (2004) D. Watson, J. Hjorth, P. Jakobsson, K. Pedersen, S.K. Patel and C. Kouveliotou

Small-scale variations in the radiating surface of the GRB 011211 jet. (2004) P. Jakobsson, J. Hjorth, E. Ramirez-Ruiz, C. Kouveliotou, K. Pedersen, J. Fynbo, J. Gorosabel, D. Watson, B.L. Jensen, M.W. Hansen, R. Michelsen, M.I. Andersen, M. Weidinger, H. Pedersen and T. Grav

Swift identification of dark gamma-ray bursts. (2004) P. Jakobsson, J. Hjorth, J. Fynbo, D. Watson, K. Pedersen, G. Bjornsson and J. Gorosabel

The supernova 2003lw associated with X-ray flash 031203. (2004) B. Thomsen, J. Hjorth, D. Watson, J. Gorosabel, J. Fynbo, B.L. Jensen, M.I. Andersen, T.H. Dall, J.R. Rasmussen, H. Bruntt, E. Laurikainen, T. Augusteijn, T. Pursimo, L. Germany, P. Jakobsson and K. Pedersen

On the Lyalpha emission from gamma-ray burst host galaxies: Evidence for low metallicities. (2003) J. Fynbo, P. Jakobsson, P. Moller, J. Hjorth, B. Thomsen, M.I. Andersen, A.S. Fruchter, J. Gorosabel, S.T. Holland, C. Ledoux, H. Pedersen, J.E. Rhoads, M. Weidinger and R.A.M.J. Wijers

Optical Photometry of GRB 021004 : The First Month. (2003) S.T. Holland, M. Weidinger, J. Fynbo, J. Gorosabel, J. Hjorth, K. Pedersen, J. Mendez Alvarez, T. Augusteijn, J.M. Castro Ceron, A.J. Castro-Tirado, H. Dahle, M.P. Egholm, P. Jakobsson, B.L. Jensen, A. Levan, P. Moller, H. Pedersen, T. Pursimo, P. Ruiz-Lapuente and B. Thomsen

The afterglow and the host galaxy of GRB 011211. (2003) P. Jakobsson, J. Hjorth, J. Fynbo, J. Gorosabel, K. Pedersen, I. Burud, A. Levan, C. Kouveliotou, N. Tanvir, A.S. Fruchter, J.E. Rhoads, T. Grav, M.W. Hansen, R. Michelsen, M.I. Andersen, B.L. Jensen, K. Pedersen, B. Thomsen, M. Weidinger, R. Causik and S.B. Pandey

A very energetic supernova associated with the -ray burst of 29 March 2003. (2003) J. Hjorth, J. Sollerman, P. Moller, J. Fynbo, S.E. Woosley, C. Kouveliotou, N. Tanvir, J. Greiner, M.I. Andersen, A.J. Castro-Tirado, J.M. Castro Ceron, A.S. Fruchter, J. Gorosabel, P. Jakobsson, L. Kaper, S. Klose, N. Masetti, H. Pedersen, K. Pedersen, E. Pian, E. Palazzi, J.E. Rhoads, E. Rol, E.P.J. van den Heuvel, P.M. Vreeswijk, D. Watson and R.A.M.J. Wijers

Absorption systems in the spectrum of GRB 021004. (2002) P. Moller, J. Fynbo, J. Hjorth, B. Thomsen, M.P. Egholm, M.I. Andersen, J. Gorosabel, S.T. Holland, P. Jakobsson, B.L. Jensen, H. Pedersen, K. Pedersen and M. Weidinger

Lens magnification by CL0024+1654 in the and band. (2002) S. Dye, A.N. Taylor, T.R. Greve, O.E. Rognvaldsson, E. van Kampen, P. Jakobsson, V.S. Sigmundsson, E.H. Gudmundsson and J. Hjorth

Depletion of background galaxies owing to the cluster lens CL0024+1654: U- and R-band observations. (2001) O.E. Rognvaldsson, T.R. Greve, J. Hjorth, E.H. Gudmundsson, V.S. Sigmundsson, P. Jakobsson, A.O. Jaunsen, L. Christensen, E. van Kampen and A.N. Taylor

Other

Measuring atmospheric composition change. (2009) P. Laj, J. Klausen, M. Bilde, C. Plass-Duelmer, G. Pappalardo, C. Clerbaux, U. Baltensperger, J. Hjorth, D. Simpson, S. Reimann, P. -F. Coheur, A. Richter, M. De Maziere, Y. Rudich, G. B. McFiggans, K. Torseth, A. Wiedensohler, S. Morin, M. Schulz, J. D. Allan, J.-L. Attie, I. Barnes, W. Birmili, J. P. Cammas, J. Dommen, H. -P. Dorn, D. Fowler, S. Fuzzi, M. Glasius, C. Granier, M. Hermann, I. S. A. Isaksen, S. Kinne, I. Koren, F. Madonna, M. Maione, A. Massling, O. Moehler, L. Mona, P. S. Monks, D. Mueller, T. Mueller, J. Orphal, V.H. Peuch, F. Stratmann, D. Tanre, G. Tyndall, A. Abo Riziq, M. Van Roozendael, P. Villani, B. Wehner, H. Wex and A. A. Zardini