Jens Hjorth

Jens Hjorth

Professor

Introductory remarks on publicationslist

> 300 refereed publications with > 20000 citations listed in the Astrophysics Data System
~20 scientific papers in Nature or Science
Most cited paper: J. Hjorth et al. Nature 423, 847–850 (2003): > 1000 citations
h-index (number of publications with more than h citations): 79


  1. 2004
  2. Published

    On the afterglow of the X-ray flash of 2003 july 23: photometric evidence for an-axis gamma-ray burst an associated supernova?

    Fynbo, Johan Peter Uldall, Sollerman, J., Hjorth, Jens, Grundahl, F., Gorosabel, J., Weidinger, M., Møller, P., Jensen, B. L., Castro Ceron, J. M., Castro-Tirado, A. J., Wreeswuk, P. M., Jakobsson, P. & Klose, S., 2004, In: Astrophysical Journal. 609, p. 962-971

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    On the constraining observations of the dark GRB 001109 and the properties of a z =0.398 radio selected starburst galaxy contained in its error box

    Castro Cerón, J. M., Gorosabel, J., Castro-Tirado, A. J., Sokolov, V. V., Afanasiev, V. L., Fatkhullin, T. A., Dodonov, S. N., Komarova, V. N., Cherepashchuk, A. M., Postnov, K. A., Lisenfe Griner, U., Klose, S., Hjorth, J., Fynbo, J. P. U., Pedersen, H., Fliri, J., Rol, E., Feldt, M., Feulner, G., Andersen, M. I. & 6 others, Jensen, B. L., Perez Ramirez, M. D., Vrba, F., Henden, A., Israelian & Tanvir, N. R., 2004, In: Astronomy & Astrophysics. 424, 3, p. 833-839

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    On the jet structure and magnetic field configuration of GRB 020813

    Fynbo, Johan Peter Uldall, Hjorth, Jens & Rossi, E., 2004, In: Astronomy & Astrophysics. 422, p. 121-128

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    On the jet structure and magnetic field configuration of GRB-020813

    Lazzati, D., Covino, S., Grosabel, J., Rossi, E., Ghisellini, G., Rol, E., Castro-tirado, A. J., Della Valle, M., di Serego Alighieri, S., Fruchter, A. S., Fynbo, J. P. U., Goldoni, P., Hjorth, J., Israel, G. L., Kaper, L., Kawai, N., Le Floch, E., Masetti, N., Mirabel, F., Moller, P. & 14 others, Ortolani, S., Palazzi, E., Pian, E., Rhoads, J., Ricker, G., Salmonson, J. D., Stella, L., Tagliaferri, G., Tanvir, N., van den Heuvel, E., Wijers, R. A. M. J., Zerbi, F. M., Castro Cerón, J. M. & Malesani, Daniele Bjørn, 2004, In: Astronomy & Astrophysics. 422, p. 121-128

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Optical observations of gamma-ray bursts

    Hjorth, Jens, Fynbo, Johan Peter Uldall & Pian, E., 2004, In: Nuclear physics B, Proceedings supplements. p. 271-278

    Research output: Contribution to journalConference articleResearchpeer-review

  7. Published

    Probing a GRB progenitor at a redshift of z=2: a comprehensive campaign of the afterglow of GRB 030226

    Fynbo, Johan Peter Uldall, Hjorth, Jens, Zeh, A., Covino, S., Klose, S., Rhoads, J., Pedersen, K., Smail, I. & Rol, E., 2004, In: Astronomical Journal. 128, 128, p. 1942-1954

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Probing a gamma-ray burst progenitor at a redshift of z=2: a comprehensive observing campaign of the afterglow og GRB 030226

    Klose, S., Greiner, J., Henden, A., Hartmann, D. H., Zeh, A., Ries, C. J., Masetti, N., Guenther, E., Gorosabel, J., Stecklum, B., Antonelli, L. A., Brinkworth, C., Castro-Tirado, A. J., Covino, S., Fruchter, A., Fynbo, J. P. U., Ghisellini, G., Hjorth, J., Hudec, R., Jelinek, M. & 20 others, Kaper, L., Kouveliotou, C., Lindsay, K., Maiorano, E., Mannucci, F., Nysewander, M., Palazzi, E., Pedersen, K., Pian, E., Reichart, P. A., Rhoads, J., Rol, E., Samail, I., Tanvir, N. R., De Ugarte Postigo, A., vreeswijk, P. M., Wijers, R. A. M. J., van den Heuvel, E., Castro Cerón, J. M. & Malesani, Daniele Bjørn, 2004, In: Astronomical Journal. 128, p. 1942-1954

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Small-scale variations in the radiating surface of the GRB 011211 jet

    Jakobsson, P., Hjorth, Jens, Ramirez-Ruiz, E., Kouveliotou, C., Pedersen, K., Fynbo, Johan Peter Uldall, Gorosabel, J., Watson, Darach Jafar, Jensen, B. L., Grav, T., Hansen, M. W., Michelsen, R., Andersen, M. I., Weidinger, M. & Pederden, H., 2004, In: New Astronomy. 9, p. 435-442

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Supernova light-curve models for the bump in the optical counterpart of X-ray flash 030723

    Tominaga, N., Mazzali, P., Maeda, K., Nomoto, K., Pian, E., Hjorth, Jens & Fynbo, Johan Peter Uldall, 2004, In: Astrophysical Journal. 612, p. L105-L108

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Swift identification of dark gamma-ray bursts

    Jakobsson, P., Hjorth, Jens, Fynbo, Johan Peter Uldall, Watson, Darach Jafar, Pedersen, K., Björnsson, G. & Gorosabel, J., 2004, In: Astrophysical Journal. 617, p. L21-L24

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    The XMM-LSS survey. Survey design and first results

    Pierre, M., Hjorth, Jens, Fynbo, Johan Peter Uldall & Pedersen, K., 2004, In: Journal of Cosmology and Astroparticle Physics. 09, p. 011

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    The host galaxy of GRB 990712

    Hjorth, Jens, Christensen, L. & Gorosabel, J., 2004, In: Astronomy & Astrophysics. 413, p. 121-130

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    The host of GRB-030323 at z=3.371: a very high column density DLA with a low metallicity

    Ledoux, C., Fynbo, Johan Peter Uldall, Moller, P., Henden, A., Hjorth, Jens, Rol, E., Andersen, M. I., Pian, E., Palazzi, E. & Van den Heuvel, E. P. J., 2004, In: Astronomy & Astrophysics. 419, p. 927-940

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    The line-of-sight towards GRB 030429 at z =2.66: probing the matter at stellar, galactic and intergalactic scales

    Jakobsson, P., Hjorth, Jens, Fynbo, Johan Peter Uldall, Watson, Darach Jafar, Pedersen, K. & Jensen, B. L., 2004, In: Astronomy & Astrophysics. 427, p. 785-794

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    The line-of-sight towards GRB 030429 at z=2.66: probing the matter at stellar, galactic and intergalactic scales

    Jakobsson...[et al.], P., Hjorth, Jens, Fynbo, Johan Peter Uldall, Møller, P., Jensen, B. L., Kilmartin, P., Pedersen, K. & Gudmundsson, E. H., 2004, In: Astronomy & Astrophysics. 427, p. 785-794

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    The supernova 2003 1w associated with X-ray flash 031203

    Jakobsson, P., Thomsen, B., Hjorth, Jens, Watson, Darach Jafar, Gorosabel, J., Fynbo, Johan Peter Uldall, Jensen, B. L., Andersen, M. I., Dall, T. H., Rasmussen, J. R., Bruntt, H., Laurikainen, E., Augusteijn, T., Pursimo, T., Germany, L. & Pedersen, K., 2004, In: Astronomy & Astrophysics. 419, p. L21-L25

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Towards the nature of progenitors of long gamma-ray bursts

    Andersen, M. I., Hjorth, Jens, Fynbo, Johan Peter Uldall & Solleman, J., 2004, In: Baltic Astronomy. 13, p. 247-257

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    UV star-formation rates of GRB host galaxies

    Hjorth, Jens, 2004, In: Astronomy & Astrophysics. 425, p. 913-926

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    X-shooter: UV-to-IR intermediate-resolution high-efficency spectrograph for the ESO VLT

    Andersen, M. I., Hjorth, Jens, Rasmussen, Per Kjærgaard, Odorico, S., Michaelsen, N., Kaper, L., Conconi, P., Dekker, H. & Horville, D., 2004, In: Optical Engineering: The Journal of SPIE. 5492, p. 220-229

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. 2003
  22. Published

    GRB 030227: The first multiwavelength afterglow of an INTEGRAL GRB

    Castro-Tirado, A. J., Gorosabel, J., Guziy, S., Reverte, D., Castro Cerón, J. M., De Ugarte Postigo, A., Tanvir, N., Mereghetti, S., Tiengo, A., Buckle, J., Sagar, R., Pandey, S. B., Mohan, V., Masetti, N., Mannucci, F., Feltzing, S., Lundstrom, I., Pedersen, H., Riess, C., Trushkin, S. & 22 others, Vílhez, J., Lund, N., Brandt, S., Martínez Núñez, S., Reglero, V., Pérez-Ramírez, M. D., Klose, S., Greiner, J., Hjorth, Jens, Kaper, L., Pian, E., Palazzi, E., Andersen, Michael Ingemann, Fruchter, A., Fynbo, Johan Peter Uldall, Jensen, B. L., Kouveliotou, C., Rhoads, J., Rol, E., Vreeswijk, P. M., Wijers, R. A. M. J. & Van den Heuvel, E., 1 Nov 2003, In: Astronomy and Astrophysics. 411, 1, p. L315-L319

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    The galaxy population of the z= 1 cluster of galaxies MG2016+112

    Toft, Sune, Soucail, G. & Hjorth, Jens, 1 Sep 2003, In: Monthly Notices of the Royal Astronomical Society. 344, p. 337-346 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

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

    Fynbo, Johan Peter Uldall, Jakobsson, P., Møller, P., Hjorth, Jens, Thomsen, B., Andersen, Michael Ingemann, Fruchter, A. S., Gorosabel, J., Holland, S. T., Ledoux, C., Pedersen, H., Rhoads, J., Weidinger, M. & Wijers, R. A. M. J., Aug 2003, In: Astronomy and Astrophysics. 406, 3, p. L63-L66

    Research output: Contribution to journalLetterResearchpeer-review

  25. Published

    A collimated outflow into wind-blown surroundings

    Greiner, J., Klose, S., Salvato, M., Zeh, A., Schwarz, R., Fynbo, Johan Peter Uldall & Hjorth, Jens, 2003, In: Astrophysical Journal. 599, 2, p. 1223-1237

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    A multi-colour study of the dark GRB 000210 host galaxy and its environment

    Gorosabel, J., Christensen, L., Hjorth, Jens, Fynbo, Johan Peter Uldall, Pedersen, H., Jensen, B. L. & Andersen, M. I., 2003, In: Astronomy & Astrophysics. 400, p. 127-136

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    A search for the optical and near-infrared counterpart of the accreting millisecond X-ray pulsar XTE J1751-305

    Jonker, P. G., Nelemans, G., Wang, Z., Kong, A. K. H., Chakrabarty, D., Garcia, M., Groot, P. J., van der Klis, M., Kerr, T., Mobasher, B., Sullivan, M., Augusteijn, T., Stappers, B., Challis, P., Kirshner, R. P., Hjorth, Jens & Delsanti, A., 2003, In: Monthly Notices of the Royal Astronomical Society. 344, 1, p. 201-206

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    A very energetic supernova accociated with the ¿-ray burst og 29 March 2003

    Hjorth, Jens, Sollerman, J., Möller, P., Fynbo, Johan Peter Uldall, Woosley, S. E., Kouveliotou, C., Tanvir, N. R., Greiner, J., Andersen, M. I., Castro-Tirado, A. J., Castro, J. M. C., Fruchter, A., Gorosabel, J., Jakobsson, P., Kaper, L., Klose, S., Masetti, N., Pedersen, H. & Pedersen, K., 2003, In: Nature. 423, 6942, p. 847-850

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. Published

    An HST study of three very faint GRB host galaxies

    Jaunsen, A. O., Andersen, M. I., Hjorth, Jens & Fynbo, Johan Peter Uldall, 2003, In: Astronomy & Astrophysics. 402, p. 125-132

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. Published

    Delayed soft X-ray esission lines in the afterglow of GRB 030227

    Watson, Darach Jafar, Reeves, J. N., Hjorth, Jens, Jakobsson, P. & Pedersen, K., 2003, In: Astrophysical Journal. 595, 1, p. 29-32

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. Published

    Discovery of an overdensity of faint red galaxies in the vicinity of the z=1.786 radio galaxy 3C294*

    Toft, Sune, Pedersen, K., Ebeling, H. & Hjorth, Jens, 2003, In: Monthly Notices of the Royal Astronomical Society. 341, p. 55-58

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. Published

    Evolution of the polarization of the optical afterglow of the ¿-ray burst GRB 030329

    Greiner, J., Klose, S., Reinsch, K., Martin Schmid, H., Sari, R., Hjorth, Jens, Pedersen, H. & Et al., 2003, In: Nature. 426, 6963, p. 157-159

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. Published

    GRB 030227: the first multiwavelength afterglow of an intergral GRB

    Pandey, S. B., Mannucci, F., Sagar, R., Lundstrom, I., Lund, N., Brandt, S., Klose, S., Hjorth, Jens, Kasper, L., Andersen, M. I., Fynbo, Johan Peter Uldall & Jensen, B. L., 2003, In: Astronomy & Astrophysics. 411, p. 315-319

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. Published

    Observation of GRB 030131 with the INTEGRAL satellite

    Mereghetti, S., Hurley, K., Deluit, S., Feroci, M., Frontera, F., Fruchter, A., Gorosabel, J., Hartmann, D. H. & Hjorth, Jens, 2003, In: Astronomy & Astrophysics. 409, p. 831-834

    Research output: Contribution to journalJournal articleResearchpeer-review

  35. Published

    On the lyalpha emission from gamma-ray burst host galaxies: evidence for low metallicities

    Fynbo, Johan Peter Uldall, Jakobsson, P., Möller, P., Hjorth, Jens, Thomsen, B., Andersen, M. I., Fruchter, A., Gorosabel, J., Holland, S. T., Ledoux, C., Pedersen, H., Rhoads, J., Weidiger, M. & Wijers, R. A. M. J., 2003, In: Astronomy & Astrophysics. 406, p. 63-66

    Research output: Contribution to journalJournal articleResearchpeer-review

  36. Published

    Optical and near-infrared observations of the GRB020405 afterglow

    Masetti, N., Palazzi, E., Pian, E., Simoncelli, A., Hunt, L. K., Maiorano, E., Levan, A., Christensen, L., Rol, E., Savaglio, S., Falomo, R., Castro-Tirado, A. J., Hjorth, J., Delsanti, A., Pannella, M., Mohan, V., Pandey, S. B., Sagar, R., Amati, L., Burud, I. & 4 others, Castro, J. M. C., Frontera, F., Fruchter, A. & Fynbo, Johan Peter Uldall, 2003, In: Astronomy & Astrophysics. 404, p. 465-481

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published

    Optical hotometry of GRB 021004: the first month

    Holland, S. T., Weidinger, M., Fynbo, Johan Peter Uldall, Gorosabel, J., Hjorth, Jens, Pedersen, K., Alvarez, J. M., Augusteijn, T., Castro, J. M. C., Castro-Tirado, A. J., Dahle, H., Egholm, M. P. & Jakobsson, P., 2003, In: Astronomical Journal. 125, p. 2291-2298

    Research output: Contribution to journalJournal articleResearchpeer-review

  38. Published

    The afterglow and the host galaxy of GRB 011211

    Jakobsson, P., Hjorth, Jens, Fynbo, Johan Peter Uldall, Gorosabel, J. & Pedersen, K., 2003, In: Astronomy & Astrophysics. 408, p. 941-947

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. Published

    The blue host galaxy of the red GRB 000418

    Gorosabel, J., Klose, S., Christensen, L., Fynbo, Johan Peter Uldall & Hjorth, Jens, 2003, In: Astronomy & Astrophysics. 409, p. 123-133

    Research output: Contribution to journalJournal articleResearchpeer-review

  40. Published

    The first multiwavelength afterflow of an INTEGRAL GRB

    Castro-Tirado, A. J., Corosabel, J., Guzily, S., Reverte, D., Castro Cerón, J. M., de Ungarte Postigo, A., Tanvir, N., Mereghetti, S. & Hjorth, Jens, 2003, In: Astronomy & Astrophysics. 411, p. 315-319

    Research output: Contribution to journalJournal articleResearchpeer-review

  41. Published

    The tully-ficher relation of cluster spirals at z=0.83

    Milvang-Jensen, B., Aragón-Salamanca, A., Hau, G. K. T., Jørgensen, I. & Hjorth, Jens, 2003, In: Monthly Notices of the Royal Astronomical Society. 339, p. L1-L5

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. Published

    Variable polarization in the optical afterglow of GRB 021004

    Rol, E., Wijers, R. A. M. J., Fynbo, Johan Peter Uldall, Hjorth, Jens, Gorosabel, J., Egholm, M. P., Castro, J. M. C., Castro-Tirado, A. J., Kaper, L., Masetti, N., Palazzi, E., Pian, E., Tanvir, N., Vreeswijk, P., Kouveliotou, C., Möller, P. & Pedersen, H., 2003, In: Astronomy & Astrophysics. 405, p. 23-27

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. Published

    Very high column density and small reddening towards GRB 020124 at z=3.20

    Hjorth, Jens, Møller, P., Gorosabel, J., Fynbo, Johan Peter Uldall, Toft, Sune, Jaunsen, A. O., Kaas, A. A., Pursimo, T., Torii, K., Kato, T., Yamaoka, H., Yoshida, A., Thomsen, B., Andersen, M. I., Burud, I., Kasper, L., Palazzi, E., Pian, E. & Van den Heuvel, E. P. J., 2003, In: Astrophysical Journal. 597, 2, p. 699-705

    Research output: Contribution to journalJournal articleResearchpeer-review

  44. 2002
  45. Published

    An optical time-delay for the lensed BAL quasar HE 2149-2745

    Burud, I., Courbin, F., Magain, P., Lidman, C., Hutsemékers, D., Kneib, J., Hjorth, Jens, Brewer, J., Pompei, E., Germany, L., Pritchard, J., Jaunsen, A. O., Letawe, G. & Meylan, G., 2002, In: Astronomy & Astrophysics. 383, p. 71-81

    Research output: Contribution to journalJournal articleResearchpeer-review

  46. Published

    Constraints on the optical afterglow emission of the short/hard burst GRB 010119

    Gorosabel, J., Andersen, M. I., Hjorth, Jens, Pedersen, H., Jensen, B. L., Fynbo, Johan Peter Uldall, Lehto, H. J., Katajainen, S., Hurley, K. & Lund, N., 2002, In: Astronomy & Astrophysics. 383, p. 112-117

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. Published

    Deep Lyalpha imaging of two z = 2.04 GRB host galaxy fields

    Fynbo, Johan Peter Uldall, Møller, P., Thomsen, B., Hjorth, Jens, Gorosabel, J., Andersen, M. I., Egholm, M. P., Holland, S. T., Jensen, B. L., Pedersen, H. & Weidinger, M., 2002, In: Astronomy & Astrophysics. 388, p. 425-438

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. Published

    Fading optical afterglow and possible host galaxy of GRB 020405

    Hjorth, Jens, Fynbo, Johan Peter Uldall, Pian, E., Delsanti, A., Jensen, B. L., Gorosabel, J., Pedersen, H. & Andersen, M. I., 2002, In: GRB Circular Network. 1329, p. 1

    Research output: Contribution to journalJournal articleResearch

  49. Published

    GRB 020124: optical observations

    Gorosabel, J., Hjorth, Jens, Pursimo, T., Kaas, A., Fynbo, Johan Peter Uldall, Møller, P., Jensen, B. L., Pedersen, H. & Andersen, M. I., 2002, In: GRB Circular Network. 1224, p. 1

    Research output: Contribution to journalJournal articleResearch

  50. Published

    GRB 020305: HST/STIS observations

    Gorosabel, J., Fynbo, Johan Peter Uldall, Burud, I., Fruchter, A. & Hjorth, Jens, 2002, In: GRB Circular Network. 1542, p. 1

    Research output: Contribution to journalJournal articleResearch

  51. Published

    GRB 020321: optical observations

    Salamanca, I., Rol, E., Kaper, L., Castro-Tirado, A. J., Fruchter, A., Greiner, J., Hjorth, Jens, Pian, E. & van den Heuvel, E., 2002, In: GRB Circular Network. 1385, p. 1

    Research output: Contribution to journalJournal articleResearch

  52. Published

    GRB 020322: optical observations

    Hjorth, Jens & Gorosabel, J., 2002, In: GRB Circular Network. 1300, p. 1

    Research output: Contribution to journalJournal articleResearch

  53. Published

    GRB 020405: VLT observations of the OT environment

    Masetti, N., Palazzi, E., Maiorano, E., Simoncelli, A., Pian, E., Castro-Tirado, A. J., Fruchter, A., Greiner, J., Hjorth, Jens, Kaper, L., van den Heuvel, E., Cabanac, R. & Kaufer, A., 2002, In: GRB Circular Network. 1375, p. 1

    Research output: Contribution to journalJournal articleResearch

  54. Published

    GRB 020405: field photometry at ESO

    Simoncelli, A., Maiorano, E., Palazzi, E., Masetti, N., Pian, E., Hjorth, Jens & et al., 2002, In: GRB Circular Network. 1388, p. 1

    Research output: Contribution to journalJournal articleResearch

  55. Published

    GRB 020409, no optical detection to r = 20

    Holland, S. T., Gorosabel, J., Augustensen, K., Jensen, B. L. & Hjorth, Jens, 2002, In: GRB Circular Network. 1359, p. 1

    Research output: Contribution to journalJournal articleResearch

  56. Published

    GRB 020409: no evidence for an optical afterglow

    Holland, S. T., Garnavich, P. M., Munoz, J. A., Stanek, K. Z., Augustensen, K., Jensen, B. L., Hjorth, Jens, Gorosabel, J. & Giavalisco, M., 2002, In: GRB Circular Network. 1365, p. 1

    Research output: Contribution to journalJournal articleResearch

  57. Published

    GRB 02040: VLT spectroscopy

    Masetti, N., Palazzi, E., Pian, E., Hjorth, Jens, Castro-Tirado, A. J., Boehnhardt, H. & Price, P. A., 2002, In: GRB Circular Network. 1330, p. 1

    Research output: Contribution to journalJournal articleResearch

  58. Published

    GRB 020418: optical/near-IR observations

    Gorosabel, J., Hjorth, Jens, Jakobsson, P. & et al., 2002, In: GRB Circular Network. 1419, p. 1

    Research output: Contribution to journalJournal articleResearch

  59. Published

    GRB 020604: optical observations

    Gorosabel, J., Hjorth, Jens, Jensen, B. L., Pedersen, H., Jakobsson, P., Fynbo, Johan Peter Uldall & Andersen, M. I., 2002, In: GRB Circular Network. 1429, p. 1

    Research output: Contribution to journalJournal articleResearch

  60. Published

    GRB 020813: likely host galaxy

    Gorosabel, J., Fynbo, Johan Peter Uldall, Hjorth, Jens, Pedersen, H., Jensen, B. L., Holland, S. T., Castro Ceron, J. M., Andersen, M. & Castro-Tirado, A. J., 2002, In: GRB Circular Network. 1651, p. 1

    Research output: Contribution to journalJournal articleResearch

  61. Published

    GRB 021004: optical photometry at 2.5 days

    Holland, S. T., Fynbo, Johan Peter Uldall, Weidinger, M., Egholm, M. P., Levan, A., Hjorth, Jens & Pedersen, H., 2002, In: GRB Circular Network. 1597, p. 1

    Research output: Contribution to journalJournal articleResearch

  62. Published

    GRB 021004: optical spectroscopy on Oct. 11

    Castro-Tirado, A. J., Peres, E., Gorosabel, J., Castro Ceron, J. M., Andersen, M., Hjorth, Jens, Rol, E., Wijers, R. A. M. J., Fruchter, A., Klose, S., Greiner, J. & Pian, E., 2002, In: GRB Circular Network. 1635, p. 1

    Research output: Contribution to journalJournal articleResearch

  63. Published

    GRB 021004: polarimetric observations

    Castro Ceron, J. M., Gorosabel, J., Castro-Tirado, A. J., Fruchter, A., Greiner, J., Hjorth, Jens, Pian, E., Wijers, R. A. M. J. & van den Heuvel, E., 2002, In: GRB Circular Network. 1596, p. 1

    Research output: Contribution to journalJournal articleResearch

  64. Published

    GRB 021004: steepening of the optical decay slope

    Weidinger, M., Egholm, M. P., Fynbo, Johan Peter Uldall, Thomsen, B., Møller, P., Hjorth, Jens, Pedersen, H., Jakobsson, P. & Jensen, B. L., 2002, In: GRB Circular Network. 1573, p. 1

    Research output: Contribution to journalJournal articleResearch

  65. Published

    Gamma-ray bursts: the most powerful cosmic explosions

    Kaper, L., Castro-Tirado, A. J., Fruchter, A., Greiner, J., Hjorth, Jens & et al., 2002, In: The ESO Messeuger. 109, p. 37-41

    Research output: Contribution to journalJournal articleResearch

  66. Published

    Lens magnification by C0024+1654 in the U and R band

    Dye, S., Taylor, A. N., Greve, T. R., Rögnvaldsson, Ö. E., van Kampen, E., Jakobsson, P., Sigmundsson, V. S., Gudmundsson, E. H. & Hjorth, Jens, 2002, In: Astronomy & Astrophysics. 386, p. 12-30

    Research output: Contribution to journalJournal articleResearchpeer-review

  67. Published

    Revised photometry of the optical afterglow of GRB 020405

    Hjorth, Jens, 2002, In: GRB Circular Network. 1336, p. 1

    Research output: Contribution to journalJournal articleResearch

  68. Published

    Strategies for prompt searches for GRB afterglows: The discovery of the GRB 001011 optical/near-infrared counterpart using colour-colour selection

    Gorosabel, J., Fynbo, Johan Peter Uldall, Hjorth, Jens & et al., 2002, In: Astronomy & Astrophysics. 384, p. 11-23

    Research output: Contribution to journalJournal articleResearchpeer-review

  69. Published

    The afterglow and complex environment of the Optically Dim Burst GRB 980613

    Hjorth, Jens, Thomsen, B., Nielsen, S. R., Andersen, M. I., Holland, S. T., Fynbo, Johan Peter Uldall, Pedersen, H., Jaunsen, A. O., Halpern, J. P., Fesen, R., Gorosabel, J., Castro-Tirado, A. J., McMahon, R. G., Hoenig, M. D., Björnsson, G., Amati, L., Tanvir, N. & Natarajan, P., 2002, In: Astrophysical Journal. 576, issue 1, p. 113-119

    Research output: Contribution to journalJournal articleResearchpeer-review

  70. Published

    The afterglow of GRB 010222: A case of continuous energy injection

    Bjørnsson, G., Hjorth, Jens, Pedersen, K. & Fynbo, Johan Peter Uldall, 2002, In: The Astrophysical Journal Letters. 2, 579, p. L59-L62

    Research output: Contribution to journalJournal articleResearchpeer-review

  71. Published

    The bright Gamma-Ray Burst of 2000 February 10: A case study of an optically dark Gamma-Ray Burst

    Piro, L., Frail, D. A., Gorosabel, J., Garmire, G., Soffitta, P., Amati, L., Andersen, M. I., Antonelli, L. A., Berger, E., Frontera, F., Fynbo, J. P. U., Gandolfi, G., Garcia, M. R., Hjorth, J., Zand, J., Jensen, B. L., Masetti, N., Møller, P., Pedersen, H., Pian, E. & 1 others, Wieringa, M. H., 2002, In: Astrophysical Journal. 577, issue 2, p. 680-690

    Research output: Contribution to journalJournal articleResearchpeer-review

  72. Published

    The bright optical afterglow of the long GRB 001007

    Castro Ceron, J. M., Castro-Tirado, A. J., Hjorth, Jens, Gorosabel, J., Fynbo, Johan Peter Uldall, Andersen, M. I., Pedersen, H., Jensen, B. J., López-Corredoira, M., Suárez, O., Grosdidier, Y. & et al., 2002, In: Astronomy & Astrophysics. 393, p. 445-451

    Research output: Contribution to journalJournal articleResearchpeer-review

  73. Published

    The evolution of disk galaxies in clusters

    Aragón-Salamanca, A., Milvang-Jensen, B., Hau, G., Jørgensen, I. & Hjorth, Jens, 2002, In: Astrophysics and Space Science. 281, issue 1, p. 339-342

    Research output: Contribution to journalJournal articleResearchpeer-review

  74. Published

    The probable host galaxy of GRB/XRF 020427

    Fruchter, A., Rhoads, J., Burud, I., Levan, A., Patel, S., Kouveliotou, C., Gorosabel, J. & Hjorth, Jens, 2002, In: GRB Circular Network. 1440, p. 1

    Research output: Contribution to journalJournal articleResearch

  75. Published

    The time delay of the Quadruple Quasar RX J0911.4+0551

    Hjorth, Jens, Burud, I., Jaunsen, A. O., Schechter, P. L., Kneib, J., Andersen, M. I., Korhonen, H., Clasen, J. W., Kaas, A., Østensen, R., Pelt, J. & Pijpers, F. P., 2002, In: ApJ Letters. 572, issue 1, p. 11-14

    Research output: Contribution to journalJournal articleResearchpeer-review

  76. Published

    Time delay and lens redshift for the doubly imaged BAL quasar SBS 1520+530

    Burud, I., Hjorth, Jens, Courbin, F., Cohen, J. G., Magain, P., Jaunsen, A. O., Kaas, A. A., Faure, C. & Letawe, G., 2002, In: Astronomy & Astrophysics. 391, p. 481-486

    Research output: Contribution to journalJournal articleResearchpeer-review

  77. Published

    VLT observations of GRB 020124: the fading optical/near-infrared afterglow

    Hjorth, Jens, Gorosabel, J. & Fynbo, Johan Peter Uldall, 2002, In: GRB Circular Network. 1227, p. 1

    Research output: Contribution to journalJournal articleResearch

  78. Published

    XRF 020903: flattening of the optical light curve

    Gorosabel, J., Hjorth, Jens, Pedersen, H., Jensen, B. L., Fynbo, Johan Peter Uldall, Andersen, M., Castro Ceron, J. M. & Castro-Tirado, A. J., 2002, In: GRB Circular Network. 1631, p. 1

    Research output: Contribution to journalJournal articleResearch

  79. Published

    XTE J1751-305

    Jonker, P. G., Nelemans, G., Groot, P. J., van der Klis, M., Hjorth, Jens, Delsanti, A., Stappers, B. & Calkins, M., 2002, In: International Astronomical Union. Central Bureau for Astronomical Telegrams. Circular. 7872, p. 1

    Research output: Contribution to journalJournal articleResearch

  80. 2001
  81. Published

    A novel approach for extracting time-delays from lightcurves of lensed quasar images

    Burud, I., Magain, P., Sohy, S. & Hjorth, Jens, 2001, In: Astronomy & Astrophysics. 380, p. 805-810

    Research output: Contribution to journalJournal articleResearchpeer-review

  82. Published

    B2114+022: a distant radio source gravitationally lensed by a starburst galaxy

    Augusto, P., Browne, I., Wilkinson, P., Jackson, N. J., Fassnacht, C., Muxlow, T., Hjorth, Jens & et al., 2001, In: Monthly Notices of the Royal Astron. Society. 326, p. 1007-1014

    Research output: Contribution to journalJournal articleResearchpeer-review

  83. Published

    Chandra X-Ray observations of the Quadruply Lensed Quasar RX

    Morgan, N. D., Chartas, G., Malm, M., Bautz, M. W., Burud, I., Hjorth, Jens, Jones, S. E. & Schechter, P. L., 2001, In: Astrophysical Journal. 555, p. 1-6

    Research output: Contribution to journalJournal articleResearchpeer-review

  84. Published

    Depletion of background galaxies owing to the cluster lens CL0024+1654; U- and R-band observations

    Rögnvaldsson, Ö. E., Greve, T. R., Hjorth, Jens & et al., 2001, In: MNRAS. 322, p. 131-140

    Research output: Contribution to journalJournal articleResearchpeer-review

  85. Published

    Detection of the optical afterglow of GRB 000630: Implications for dark bursts

    Fynbo, Johan Peter Uldall, Jensen, B. L., Gorosabel, J., Hjorth, Jens & et al., 2001, In: Astronomy & Astrophysics. 369, p. 373-376

    Research output: Contribution to journalJournal articleResearchpeer-review

  86. Published

    GRB 010214, optical observations

    Gorosabel, J., Fynbo, Johan Peter Uldall, Jensen, B. L., Pedersen, H., Hjorth, Jens, Andersen, M. I., Aksnes, K., Grav, T., Holman, M., Kaas, A. & Abbott, T. M. C., 2001, In: GRB Circular Network. 949, p. 1

    Research output: Contribution to journalJournal articleResearch

  87. Published

    GRB 010222, decay slope confirmed

    Fynbo, Johan Peter Uldall, Gorosabel, J., Jensen, B. L., Pedersen, H., Hjorth, Jens & et al., 2001, In: GRB Circular Network. 975, p. 1

    Research output: Contribution to journalJournal articleResearch

  88. Published

    GRB 010222, optical observations

    Holland, S., Fynbo, Johan Peter Uldall, Gorosabel, J., Henden, A., Hjorth, Jens, Jensen, B. & Pedersen, H., 2001, In: GRB Circular Network. 1002, p. 1

    Research output: Contribution to journalJournal articleResearch

  89. Published

    GRB010126, optical observations

    Pedersen, H., Hjorth, Jens, Jensen, B. L., Andersen, M. I., Fynbo, Johan Peter Uldall, Gorosabel, J., Kaas, A., Takalo, L. & Rekola, R., 2001, In: GRB Circular Network. 925, p. 1

    Research output: Contribution to journalJournal articleResearch

  90. Published

    GRB010629 optical observations

    Andersen, M. I., Jensen, B. L., Hjorth, Jens, Pedersen, H., Kjeldsen, H., Gorosabel, J. & Fynbo, Johan Peter Uldall, 2001, In: GRB Circular Network. 1080, p. 1

    Research output: Contribution to journalJournal articleResearch

  91. Published

    Hubble Space Telescope STIS Observations of GRB 000301C: CCD Imaging and Near-Ultraviolet MAMA Spectroscopy

    Smette, A., Fruchter, A., Gull, T., Hjorth, Jens & et al., 2001, In: Astrophysical Journal. 556, p. 70-76

    Research output: Contribution to journalJournal articleResearchpeer-review

  92. Published

    Spectroscopic confirmation of a cluster of galaxies at Z=1 in the field of the gravitational lens MG 2016+112

    Soucail, G., Kneib, J., Jaunsen, A. O., Hjorth, Jens, Hattori, M. & Yamada, T., 2001, In: Astronomy & Astrophysics. 367, p. 741-747

    Research output: Contribution to journalJournal articleResearchpeer-review

  93. Published

    The Jet and Circumburst Stellar Wind of GRB 980519

    Jaunsen, A. O., Hjorth, Jens & et al., 2001, In: Astrophysical Journal. 546, p. 127-133

    Research output: Contribution to journalJournal articleResearchpeer-review

  94. Published

    The Jet and the Supernova in GRB 990712

    Björnsson, G., Hjorth, Jens, Jakobsson, P., Christensen, L. & Holland, S., 2001, In: Astrophysical Journal. 552, p. 121-124

    Research output: Contribution to journalJournal articleResearchpeer-review

  95. Published

    The XMM large scale structure survey and its multi-¿ follow-up

    Pierre...[et al.], M., Alloin, D., Altieri, B., Birkinshaw, M., Bremer, M., Böhringer, H. & Hjorth, Jens, 2001, In: The ESO Messeuger. 105, p. 32-36

    Research output: Contribution to journalJournal articleResearch

  96. Published

    The afterglow of the short/intermediate-duration gamma-ray burst GRB 000301C: A jet at z=2.04

    Jensen, B. L., Fynbo, Johan Peter Uldall, Gorosabel, J., Hjorth, Jens & et al., 2001, In: Astronomy & Astrophysics. 370, p. 909-922

    Research output: Contribution to journalJournal articleResearchpeer-review

  97. Published

    The extraordinarily bright optical afterglow of GRB 991208 and its host galaxy

    Castro-Tirado, A. J., Sokolov, V. V., Gorosabel, J., Castro Ceron, J. M., Greiner, J., Wijers, R. A. M. J., Jensen, B. L., Hjorth, Jens & et al., 2001, In: Astronomy & Astrophysics. 370, p. 398-406

    Research output: Contribution to journalJournal articleResearchpeer-review

  98. Published

    The host galaxy and optical light curve of the gamma-ray burst GRB 980703

    Holland, S., Fynbo, Johan Peter Uldall, Hjorth, Jens & et al., 2001, In: Astronomy & Astrophysics. 371, p. 52-60

    Research output: Contribution to journalJournal articleResearchpeer-review

  99. Published

    The optical afterglow and host galaxy of GRB 000926

    Fynbo, J., Gorosabel, J., Dall, T. H., Hjorth, Jens & et al., 2001, In: Astronomy & Astrophysics. 373, p. 796-804

    Research output: Contribution to journalJournal articleResearchpeer-review

  100. 2000
  101. Published

    VLT identification of the optical afterglow of the gamma-ray burst GRB 000131 at z=4.50

    Andersen, Michael Ingemann, Hjorth, Jens, Pedersen, H., Jensen, B. L., Hunt, L. K., Gorosabel, J., Moller, P., Fynbo, Johan Peter Uldall, Kippen, R. M., Thomsen, B., Olsen, L. F., Christensen, L., Vestergaard, Marianne, Masetti, N., Palazzi, E., Hurley, K., Cline, T., Kaper, L. & Jaunsen, A. O., 17 Oct 2000, In: Astronomy & Astrophysics. 364, p. L54-L61

    Research output: Contribution to journalJournal articleResearchpeer-review

  102. Published

    An Optical Time Delay Estimate for the Double Gravitational Lens System

    Burud, I., Hjorth, Jens, Jaunsen, A. O., Andersen, M. I., Korhonen, H., Clasen, J. W., Pelt, J., Pijpers, F. P., Magain, P. & Østensen, R., 2000, In: Astrophysical Journal. 544, p. 117-122

    Research output: Contribution to journalJournal articleResearchpeer-review

  103. Published

    Breaking the Disk/Halo Degeneracy with Gravitational Lensing

    Maller, A. H., Simard, L., Guhathakurta, P., Hjorth, Jens, Jaunsen, A. O., Flores, R. A. & Primack, J. R., 2000, In: Astrophysical Journal. 533, p. 194-202

    Research output: Contribution to journalJournal articleResearchpeer-review

  104. Published

    Discovery of the Optical Counterpart and Early Optical Observations of GRB 990712

    Sahu, K. C., Vreeswijk, P., Bakos, G., Menzies, J. W., Bragaglia, A., Frontera, F., Piro, L., Albrow, M. D., Bond, I. A., Bower, R., Caldwell, J. A. R., Castro-Tirado, A. J., Courbin, F., Dominik, M., Fynbo, J., Galama, T., Glazebrook, K., Greenhill, J., Gorosabel, J., Hearnshaw, J. & 3 others, Hill, K., Hjorth, Jens & et al, 2000, In: Astrophysical Journal. 540, p. 74-80

    Research output: Contribution to journalJournal articleResearchpeer-review

  105. Published

    GRB 000115 Optical Observations

    Jensen, B. L., Hjorth, Jens, Pritchard, J. D., Pedersen, H., Masetti, N., Palazzi, E., Gorosabel, J., Castro-Tirado, A. J., Salvato, B. & et al, 2000, In: GCN circulars. 524, p. 1

    Research output: Contribution to journalJournal articleResearch

ID: 6508