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

    The polarization evolution of the optical afterglow of GRB 030329

    Greiner, J., Hjorth, Jens, Pedersen, H. & Sari, R., 2004, AIP Conference Proceedings. 1 ed. American Institute of Physics, Vol. 727. p. 269-273

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  3. Published

    The ptical afterglow of GRB 030226

    Klose, S. & Hjorth, Jens, 2004, AIP Conference Proceedings. 1 ed. American Institute of Physics, Vol. 727. p. 483-486

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  4. 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

  5. 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

  6. 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

  7. 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

  8. Published

    XRF040701: optical observations at ESO

    Fynbo, Johan Peter Uldall, Hjorth, Jens & Jensen, B. L., 2004

    Research output: Other contributionResearch

  9. Published

    The supernova 2003lw associated with X-ray flash 031203

    Thomsen, B., Hjorth, Jens, Watson, Darach Jafar, Gorosabel, J., Fynbo, Johan Peter Uldall, Jensen, B. L., Andersen, Michael Ingemann, Dall, T. H., Rasmussen, J. R., Bruntt, H., Laurikainen, E., Augusteijn, T., Pursimo, T., Germany, L., Jakobsson, P. & Pedersen, K., 1 May 2004, In: Astronomy and Astrophysics. 419, 2, p. L21-L25

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. 2005
  11. Published

    A Deep Search with the Hubble Space Telescope for Late-Time Supernova Signatures in the Hosts of XRF 011030 and XRF 020427

    Levan, A., Patel, S., Gorosabel, J., Hjorth, Jens, Fynbo, Johan Peter Uldall, Jensen, B. & et al., 2005, In: Astrophysical Journal. 622, p. 977-985

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    A possible bright blue supernova in the afterglow of GRB 020305

    Gorosabel, J., Fynbo, Johan Peter Uldall, Fruchter, A., Levan, A., Hjorth, Jens & et al., 2005, In: Astronomy & Astrophysics. 437, 2, p. 411-418 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    A short gamma-ray burst apparently associated with an elliptical galaxy at redshift

    Gehrels, N., O'Brien, P. T., Zhang, B., Levan, A., Klose, S., Hjorth, Jens, Solleman, J. & et al., 2005, In: Nature. 437, 7060, p. 851-854

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    An optical time delay for the double gravitational lens system FBQ 0951+2635

    Jakobsson, P., Hjorth, Jens, Burud, I., Letawe, G., Lidman, C. & Courbin, F., 2005, In: Astronomy & Astrophysics. 431, p. 103-109

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Damped Lyman Alpha (DLA) systems in GRB afterglows: probing dense regions in GRB host galaxies

    Vreeswijk, P., Ellison, S., Ledoux, C., Wijers, R. A. M. J., Hjorth, Jens & The Grace Collaboration, 2005, Astronomical Society of the Pacific Conference Series, vol.344: The Cool Universe: Observing Cosmic Dawn. 344 ed. p. 79-

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  16. Published

    GRB 020410: a gamma-ray burst afterglow discovered by its supernova light

    Levan, A., Nugent, P., Fynbo, Johan Peter Uldall, Hjorth, Jens, Møller, P., Pian, E. & et al., 2005, In: Astrophysical Journal. 624, 2, p. 880-888

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    GRB 040403: a faint X-ray rich gamma-ray burst discovered by INTEGRAL

    Mereghetti, S., Götz, D., Andersen, M. I., Hartmann, D. H., Hjorth, Jens & et al., 2005, In: Astronomy & Astrophysics. 433, p. 113-116

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    GRB 050124: k-band afterglow observations

    Fynbo, Johan Peter Uldall, Jensen, B. L., Thomsen, B., Hjorth, Jens, Mdahl, E., Hyvonen, H. & Andersen, M. I., 2005, In: GRB Coordinates Network, Circular Service,. 2989, 1

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    GRB 050315: potential host galaxy

    Gorosabel, J., Laursen, P., Jensen, B. L., Fynbo, Johan Peter Uldall, Hjorth, Jens, Watson, Darach Jafar, Pedersen, H., Jakobsson, P., Castro Cerón, J. M. & Andersen, M. I., 2005, In: GRB Coordinates Network, Circular Service,. 3294, p. 1

    Research output: Contribution to journalJournal articleResearch

  20. Published

    GRB 050319: absorpotin redshift from the nordic optical telescope

    Fynbo, Johan Peter Uldall, Hjorth, Jens, Jakobsson, P., Møller, P. & Naranen, J., 2005

    Research output: Other contributionResearch

  21. Published

    GRB 050401: VLT spectroscopic redshift

    Fynbo, Johan Peter Uldall, Jensen, B. L., Hjorth, Jens, Wiersema, K., Starling, R., Vreeswijk, K., Rol, E. & et al., 2005, GRB Coordinates Network, Circular Services, Nr.3176. European Space Agency, p. 1

    Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

  22. Published

    GRB 050412: optical observations

    Jensen, B. L., Gorosabel, J., Laursen, P., Jakobsson, P., Watson, Darach Jafar, Fynbo, Johan Peter Uldall & Hjorth, Jens, 2005

    Research output: Other contributionResearch

  23. Published

    GRB 050509A: further I-band imaging

    Jensen, B. L., Fynbo, Johan Peter Uldall, Hjorth, Jens, Jakobsson, P., Castro Ceron, J. M., Pedersen, H. & Watson, Darach Jafar, 2005

    Research output: Other contributionResearch

  24. Published

    GRB 050509A: optical observations

    Fynbo, Johan Peter Uldall, Jensen, B. L., Hjorth, Jens, Jakobsson, P., Castro Ceron, J. M., Pedersen, H., Watson, Darach Jafar & Naranen, J., 2005

    Research output: Other contributionResearch

  25. Published

    GRB 050509B: constraints on short gamma-ray burst models

    Hjorth, Jens, Sollerman, J., Gorosabel, J., Granot, J., Thomsen, B., Andersen, M. I., Fynbo, Johan Peter Uldall, Jensen, B. L., Jakobsson, P., Pedersen, K. & Watson, Darach Jafar, 2005, In: Astrophysical Journal. 630, 2, p. L117-L120

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    GRB 050709: optical afterglow candidate

    Price, P. A., Jensen, B. L., Jørgensen, Uffe Gråe, Hjorth, Jens, Fynbo, Johan Peter Uldall, Watson, Darach Jafar, Castro Ceron, J. M., Pedersen, K., Pedersen, H. & Solleman, J., 2005

    Research output: Other contributionResearch

  27. Published

    GRB 050802.422: fading of the afterglow and detection of the host galaxy

    Fynbo, Johan Peter Uldall, Jensen, B. L., Hjorth, Jens, Solleman, J., Watson, Darach Jafar, Castro Ceron, J. M., Gorosabel, J., Galfalk, M. & Kaas, A., 2005

    Research output: Other contributionResearch

  28. Published

    GRB 050814: continued fading

    Jakobsson, P., Fynbo, Johan Peter Uldall, Hjorth, Jens, Jensen, B. L. & Pedersen, K., 2005

    Research output: Other contributionResearch

  29. Published

    GRB 050824: spectroscopic redshift from the VLT

    Fynbo, Johan Peter Uldall, Jensen, B. L., Sollerman, J., Hjorth, Jens, Watson, Darach Jafar, Pedersen, K., Jakobsson, P., Castro Ceron, J. M. & Gorosabel, J., 2005

    Research output: Other contributionResearch

  30. Published

    GRB 050906: optical observations at the very large telescope

    Jakobsson, P., Hjorth, Jens, Fynbo, Johan Peter Uldall, Jensen, B. L. & Watson, Darach Jafar, 2005

    Research output: Other contributionResearch

  31. Published

    GRB 050922C: break in the lightcurve

    Fynbo, Johan Peter Uldall, Jensen, B. L., Jakobsson, P., Hjorth, Jens, Sollerman, J., Castro Cerón, J. M., Holhjem, K. & Salinas, R., 2005, -

    Research output: Other contributionResearch

  32. Published

    GRB 050922C: refined redshift

    Jakobsson, P., Fynbo, Johan Peter Uldall, Paraficz, D., Telting, J., Jensen, B. L., Hjorth, Jens & Castro Cerón, J. M., 2005, -

    Research output: Other contributionResearch

  33. Published

    GRB 050922C: absorption redshift from the nordic optical telescope

    Jakobsson, P., Fynbo, Johan Peter Uldall, Paraficz, D., Telting, J., Jensen, B. L., Hjorth, Jens & Castro Cerón, J. M., 2005

    Research output: Other contributionResearch

  34. Published

    GRB 050922C: NOT optical observations

    Jakobsson, P., Paraficz, D., Telting, J., Fynbo, Johan Peter Uldall, Jensen, B. L. & Hjorth, Jens, 2005

    Research output: Other contributionResearch

  35. Published

    GRB 051117B: R and I observations of possible host galaxy

    Thöne, C., Feron, C., Jakobsson, P., Jensen, B. L., Fynbo, Johan Peter Uldall, Sollerman, J., Pedersen, H., Watson, Darach Jafar & Hjorth, Jens, 2005, -

    Research output: Other contributionResearch

  36. Published

    GRB050509B: optical observations at the very large telescope

    Solleman, J., Jensen, B. L., Fynbo, Johan Peter Uldall, Jakobsson, P., Castro Cerón, J. M., Pedersen, K., Pedersen, H., Hjorth, Jens & Watson, Darach Jafar, 2005

    Research output: Other contributionResearch

  37. Published

    GRB050709: chandra source optical counterpart

    Jensen, B. L., Jørgensen, Uffe Gråe, Hjorth, Jens, Fynbo, Johan Peter Uldall, Watson, Darach Jafar, Castro Cerón, J. M., Pedersen, K., Pedersen, H. & Solleman, J., 2005

    Research output: Other contributionResearch

  38. Published

    GRB050801: unchanged decay slope

    Fynbo, Johan Peter Uldall, Jensen, B. L., Hjorth, Jens, Woller, K. G., Watson, Darach Jafar, Solleman, J., Fouque, P. & Andersen, M. I., 2005

    Research output: Other contributionResearch

  39. Published

    GRB050801: optical photometry and decay index

    Fynbo, Johan Peter Uldall, Jensen, B. L., Hjorth, Jens, Woller, K. G., Watson, Darach Jafar, Fouque, P. & Andersen, M. I., 2005

    Research output: Other contributionResearch

  40. Published

    GRB050802: tentative absorption redshift

    Fynbo, Johan Peter Uldall, Solleman, J., Jensen, B. L., Hjorth, Jens, Watson, Darach Jafar & Castro Ceron, J. M., 2005

    Research output: Other contributionResearch

  41. Published

    GRB050814: fading red source

    Jensen, B. L., Fynbo, Johan Peter Uldall, Hjorth, Jens, Solleman, J., Castro Ceron, J. M., Pedersen, K., Jakobsson, P., Watson, Darach Jafar & Solheim, J., 2005

    Research output: Other contributionResearch

  42. Published

    Gamma-ray burst in starburst galaxies

    Christensen, L., Hjorth, Jens & Gorosabel, J., 2005, Starbursts: From 30 Doradus to Lyman Break Galaxies, held in Cambridge, UK, 6-10 September 2004. Astrophysics & Space Science Library Vol. 329. Dordrecht.. Springer, Vol. 329. p. 11-

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  43. Published

    Late-epoch optical and near-infrared observations of the GRB 000911 afterglow and its host galaxy

    Masett...[et al.], N., Pian, E., Andersen, M. I., Hjorth, Jens, Jensen, B. L. & Fynbo, Johan Peter Uldall, 2005, In: Astronomy & Astrophysics. 438, 3, p. 841-853

    Research output: Contribution to journalJournal articleResearchpeer-review

  44. Published

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

    Jakobsson..[et al.], P., Björnsson, G., Fynbo, Johan Peter Uldall, Jönannesson, G., Hjorth, Jens, Thomsen, B., Møller, P., Watson, Darach Jafar, Jensen, B. L. & Gudmundsson, E. H., 2005, In: Monthly Notices of the Royal Astronomical Society. 362, 1, p. 245-251

    Research output: Contribution to journalJournal articleResearchpeer-review

  45. Published

    On the afterglow and host galaxy of GRB 021004: a comperhensive study with Hubble space telescope

    Fynbo, J. P. U., Gorosabel, J., Smette, J., Fruchter, A., Hjorth, J., Pedersen, K., Levan, A., Burud, I., Sahu, K. C., Vreeswijk, P. M., Bergeron, E., Kouveliotou, C., Tanvir, N., Thorsett, S., Wijers, R. A. M. J., Castro Cer'on, J. M., Castro-Tirdo, A., Granavich, P., Holland, S. T., Jakobsson, P. & 7 others, Møller, P., Nugent, P., Pian, E., Rhoads, J., Thomsen, B., Watson, Darach Jafar & Woosley, S. E., 2005, In: Astrophysical Journal. 633, 1, p. 317-327

    Research output: Contribution to journalJournal articleResearchpeer-review

  46. Published

    On the nature of nearby GRB/SN host galaxies

    Sollerman, J., Östlin, G., Fynbo, Johan Peter Uldall, Hjorth, Jens, Fruchter, A. & Pedersen, K., 2005, In: New Astronomy. 11, 2, p. 103-115

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. Published

    Photometric monitoring of the doubly imaged quasar UM673: possible evidence for chromatic microlensing

    Nakos...[et al.], T., Poels, J., Magain, P., Burud, I. & Hjorth, Jens, 2005, In: Astronomy & Astrophysics. 441, p. 443-450

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. Published

    Photometric redshift of the GRB 981226 host galaxy

    Christensen, L., Hjorth, Jens & Gorosabel, J., 2005, In: Astrophysical Journal. 631, p. L29-L32

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    Properties of Lya and gamma ray burst-selected starbursts at high redshifts

    Fynbo, Johan Peter Uldall, Krog, B., Nilsson, K., Gunnlaugur, B., Hjorth, Jens, Jakobsson, P., Ledoux, C., Møller, P. & Thomsen, B., 2005, Starbursts: From 30 Doradus to Lyman Break Galaxies, Held in Cambridge, UK, 6-10 September 2004. Edited by R. de Grijs and R.M. González Delgado. Astrophysics & Space Science Library. Springer, Vol. 329. p. 293

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  50. Published

    Spectro-photometric study of the GRB 030329 host galaxy

    Gorosabel, J., Sollerman, J. O., Fynbo, Johan Peter Uldall, Hjorth, Jens & Castro Cerón, J. M., 2005, In: Nuovo cimento della societa italiana de fisica. C, Geophysics and space physics. 4-5, p. 673-676

    Research output: Contribution to journalConference articleResearchpeer-review

  51. Published

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

    Gorosabel..[et al.], J., P'erez-Ramirez, D., Solleman, J., de Ugarte Postigo, A., Fynbo, Johan Peter Uldall, Castro-Tirdo, A., Jakobsson, P., Christensen, L., Hjorth, Jens & Nilsson, K., 2005, In: Astronomy & Astrophysics. 444, 3, p. 711-721

    Research output: Contribution to journalJournal articleResearchpeer-review

  52. Published

    The Host Galaxy Cluster of the Short gamma-Ray Burst GRB050509B

    Pedersen, K., Eliasdottir, A., Hjorth, Jens, Starling, R., Castro Ceron, J. M., Fynbo, Johan Peter Uldall, Gorosabel, J., Granada, I., Jakobsson, P., Sollerman, J. & Watson, Darach Jafar, 2005, In: Astrophysical Journal. 634, 1, p. L17-L20 part 2

    Research output: Contribution to journalJournal articleResearchpeer-review

  53. Published

    The optical afterglow of the short gamma-ray burst GRB 050709

    Hjorth, Jens, Watson, Darach Jafar, Fynbo, Johan Peter Uldall, Price, P. A., Jensen, B. L., Jørgensen, Uffe Gråe, Kubas, D., Groosabel, J., Jakobsson, P., Sollerman, J., Pedersen, K. & Kouveliotou, C., 2005, In: Nature. 437, 7060, p. 859-861

    Research output: Contribution to journalJournal articleResearchpeer-review

  54. Published

    The radio afterglow and host galaxy of the dark GRB 020819

    Jakobsson...[et al.], P., Frail, D. A., Fox, D., Moon, D. S., Price, P. A., Fynbo, Johan Peter Uldall & Hjorth, Jens, 2005, In: Astrophysical Journal. 629, 1, p. 45-51

    Research output: Contribution to journalJournal articleResearchpeer-review

  55. Published

    The red optical afterglow of GRB 030725

    Pugliese, G., Møller, P., Gorosabel, J., Jensen, B. L., Fynbo, Johan Peter Uldall, Hjorth, Jens, Jørgensen, S. F., Monrad, B. & Vinter, C., 2005, In: Astronomy & Astrophysics. 439, 2, p. 527-532

    Research output: Contribution to journalJournal articleResearchpeer-review

  56. Published

    The redshift distribution of gamma-ray bursts revisited

    Albanna, B., Hjorth, Jens, Ramirez-Ruiz, E., Tanvir, N. & Wijers, R. A. M. J., 2005, In: Monthly Notices of the Royal Astronomical Society. 364, 1, p. L8-L12

    Research output: Contribution to journalJournal articleResearchpeer-review

  57. Published

    XRF 050509C: optical afterglow

    Gorosabel, J., Jensen, B. L., Galaz, G., Salinas, R., Hjorth, Jens, Fynbo, Johan Peter Uldall, Pedersen, H., Watson, Darach Jafar, Jakobsson, P. & Castro Cerón, J. M., 2005

    Research output: Other contributionResearch

  58. Published

    XRF 050509C: optical monitoring

    Gorosabel, J., Hjorth, Jens, Jensen, B. L., Jørgensen, Uffe Gråe, Beaulieu, J., Cassan, A., Donatowicz, J., Watson, Darach Jafar, Fynbo, Johan Peter Uldall, Jakobsson, P., Castro Cerón, J. M. & Pedersen, H., 2005, -

    Research output: Other contributionResearch

  59. Published

    Women lose out in young investigator awards [1]

    Watson, Darach Jafar, Andersen, Anja C. & Hjorth, Jens, 14 Jul 2005, In: Nature. 436, 7048, 1 p.

    Research output: Contribution to journalLetterResearchpeer-review

  60. 2006
  61. Published

    A log NHI = 22.6 damped lyα absorber in a dark gamma-ray burst: The environment of GRB 050401

    Watson, D., Fynbo, J. P. U., Ledoux, C., Vreeswijk, P., Hjorth, J., Smette, A., Andersen, A. C., Aoki, K., Augusteijn, T., Beardmore, A. P., Bersier, D., Castro Cerón, J. M., D'Avanzo, P., Diaz-Fraile, D., Gorosabel, J., Hirst, P., Jakobsson, P., Jensen, B. L., Kawai, N., Kosugi, G. & 16 others, Laursen, Peter, Levan, A., Masegosa, J., Näränen, J., Page, K. L., Pedersen, K., Pozanenko, A., Reeves, J. N., Rumyantsev, V., Shahbaz, T., Sharapov, D., Sollerman, J. O., Starling, R. L. C., Tanvir, N., Torstensson, K. & Wiersema, K., 2006, In: Astrophysical Journal. 652, 2, p. 1011-1019

    Research output: Contribution to journalJournal articleResearchpeer-review

  62. Published

    A mean redshift of 2.8 for swift gamma-ray bursts

    Jakobsson, P., Levan, A., Fynbo, Johan Peter Uldall, Priddey, R. S., Hjorth, Jens, Tanvir, N., Watson, Darach Jafar, Jensen, B. L., Sollerman, J. O., Natarajan, P., Gorosabel, J., Castro Cerón, J. M., Pedersen, K., Pursimo, T., Árnadóttir, A. S., Castro-Tirado, A. J. & Davis, C. J., 2006, In: Astronomy & Astrophysics. 447, p. 897-903

    Research output: Contribution to journalJournal articleResearchpeer-review

  63. Published

    An optical supernova associated with the X-ray flash XRF 060218

    Pian, E., Mazzali, P. A., Masetti, N., Ferrero, P., Klose, S., Palazzi, E., Ramirez-Ruiz, E., Woosley, S. E., Kouvaliotou, C., Deng, J., Filippenko, A., Foley, R. J., Fynbo, J. P. U., Kann, D. A., Li, W., Hjorth, J., Nomoto, K., Patat, F., Sauer, D. N., Sollerman, J. O. & 26 others, Guenther, E. W., Levan, A., O'Brian, P., Tanvir, N. R., Wijers, R. A. M. J., Dumas, C., Hainaut, O., Wong, D. S., Baade, D., Wang, L., Amati, L., Cappellaro, E., Castro-Tirado, A. J., Ellison, S. L., Frontera, F., Fruchter, A. S., Greiner, J., Kawabata, K., Ledoux, C., Maeda, K., Møller, P., Nicastro, L., Rol, E., Starling, R., Vreeswijk, P. M. & Castro Cerón, J. M., 2006, In: Nature. 442, p. 1011-1013

    Research output: Contribution to journalJournal articleResearchpeer-review

  64. Published

    Are short gamma-ray bursts collimated? GRB 050709, a flare but no break

    Watson, Darach Jafar, Hjorth, Jens, Jakobsen, P., Xu, D., Fynbo, Johan Peter Uldall, Sollerman, J. O., Thöne, C. & Pedersen, K., 2006, In: Astronomy & Astrophysics. 454, p. L123-L126

    Research output: Contribution to journalJournal articleResearchpeer-review

  65. Published

    Evidence for a supernova associated with the X-Ray flash 020903

    Bersier, D., Fruchter, A. S., Strolger, L-G., Gorosabel, J., Levan, A., Burud, I., Rhoads, J. E., Becker, A. C., Cassan, A., Chornock, R., Covino, S., de Jong, R. S., Dominis, D., Filippenko, A., Hjorth, J., Holmberg, J., Malesani, D., Mobasher, B., Olsen, K. A. G., Stefanon, M. & 7 others, Castro Cerón, J. M., Fynbo, Johan Peter Uldall, Holland, S. T., Kouveliotou, C., Pedersen, H., Tanvir, N. R. & Woosley, S. E., 2006, In: Astrophysical Journal. 643, 1, p. 284-291

    Research output: Contribution to journalJournal articleResearchpeer-review

  66. Published

    Extinction curves of lensing galaxies out to z = 1

    Elíasdóttir, Á., Hjorth, Jens, Toft, S., Burud, I. & Paraficz, D., 2006, In: Astrophysical Journal Supplement Series. 116, 2, p. 443-469

    Research output: Contribution to journalJournal articleResearchpeer-review

  67. Published

    Fundamental properties of GRB-selected galaxies: A swift/VLT legacy survey

    Jakobsson, P., Hjorth, Jens, Fynbo, Johan Peter Uldall, Gorosabel, J. & Janusen, A. O., 2006, To appear in the Proceedings of the Eleventh Marcel Grossmann Metting on the General Relativity: Singapore, November, 2007. 3 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

  68. Published

    GRB 050814 at z=5.3 and the redshift distribution of Swift GRBs

    Jakobsson, P., Levan, A., Fynbo, Johan Peter Uldall, Hjorth, Jens, Tanvir, N., Watson, Darach Jafar, Jensen, B. L., Sollerman, J. O., Natarajan, P., Gorosabel, J., Castro Cerón, J. M. & Pedersen, K., 2006, Gamma-ray bursts in the swift era.16th Annual Astrophysics Conference, NOV 29-DEC 02, 2005 Washington, DC: AIP Conference Proceedings vol.836. American Institute of Physics, Vol. 836. p. 552-557 5 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  69. Published

    H I column densities of z > 2 swift gamma-ray bursts

    Jakobsson, P., Fynbo, J. P. U., Ledoux, C., Vreewijk, P. M., Kann, D. A., Hjorth, J., Priddey, R. S., Tanvir, N. R., Reichart, D., Gorosabel, J., Klose, S., Watson, D., Sollerman, J. O., Fruchter, A. S., de Ugarte Postigo, A., Wiersema, K., Björnsson, G., Chapman, R., Tröne, C. C., Pedersen, K. & 1 others, Jensen, B. L., 2006, In: Astronomy & Astrophysics. 460, 2, p. L13-L17

    Research output: Contribution to journalJournal articleResearchpeer-review

  70. Published

    Long gamma-ray bursts and core-collapse supernovae have different environments

    Fruchter, A. S., Levan, A. J., Strolger, L., Vreewijk, P., Thorsett, S. E., Bersier, D., Burud, I., Castro Cerón, Castro-Tirado, A. J., Conselice, C. J., Dahlen, T., Ferguson, H. C., Fynbo, J. P. U., Garnavich, P. M., Gibbons, R. A., Gorosabel, J., Gull, T. R., Hjorth, J., Holland, S. T., Kouveliotou, R. & 13 others, Levay, Z., Livio, M., Metzger, M. R., Nugent, P. E., Petro, L., Pian, E., Rhoads, J. E., Riess, A. G., Sahu, K. C., Smette, A., Tnavir, N. R., Wijers, R. A. M. J. & Woosley, S. E., 2006, In: Nature. 441, p. 463-468

    Research output: Contribution to journalJournal articleResearchpeer-review

  71. Published

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

    Vreeswijk, P. M., Smette, A., Fruchter, A. S., Palazzi, E., Rol, E., Wijers, R. A. M. J., Kouveliotou, C., Kaper, L., Pian, E., Masetti, N., Frontera, F., Hjorth, Jens, Gorosabel, J., Piro, L., Fynbo, Johan Peter Uldall, Jakobsson, P., Watson, Darach Jafar, O'Brian, P. T. & Ledoux, C., 2006, In: Astronomy & Astrophysics. 447, p. 145-156

    Research output: Contribution to journalJournal articleResearchpeer-review

  72. Published

    Microlensing variability in time-delay quasars

    Paraficz, D., Hjorth, Jens, Burud, I., Jakobsen, P. & Eliasdottir, A., 2006, In: Astronomy & Astrophysics. 455, 1, p. L1-L4

    Research output: Contribution to journalJournal articleResearchpeer-review

  73. Published

    Multiwavelength studies of the optically dark gamma-ray burst 001025A

    Pedersen, K., Hurley, K., Hjorth, J., Smith, D. A., Andersen, M. I., Christensen, L., Cline, T., Fynbo, J. P. U., Goldsten, J., Golenetskii, S., Gorosabel, J., Jakobsson, P., Jensen, B. L., Milvang-Jensen, B., McClanahan, T., Møller, P., Palshin, V., Schartel, N., Trombka, J., Ulanov, M. & 1 others, Watson, Darach Jafar, 2006, In: Astrophysical Journal. 636, 1, part 1, p. 381-390

    Research output: Contribution to journalJournal articleResearchpeer-review

  74. Published

    No supernovae associated with two long-duration gamma-ray bursts

    Fynbo, Johan Peter Uldall, Watson, Darach Jafar, Sollerman, J. O., Bloom, J. S., Hjorth, Jens, Jakobsson, P. & Thöne, C., 2006, In: Nature. 444, 7122, p. 1047-1049

    Research output: Contribution to journalJournal articleResearchpeer-review

  75. Published

    Outshining the quasars at reionization: the X-ray spectrum and light curveof the redshift 6.29 gamma-ray burst GRB 050904

    Watson, Darach Jafar, Reeves, J. N., Hjorth, Jens, Fynbo, Johan Peter Uldall, Jakobsson, P., Pedersen, K., Sollerman, J. O., Castro Cerón, J. M., McBreen, S. & Foley, S., 2006, In: Astrophysical Journal. 637, 2, p. L69-L72

    Research output: Contribution to journalJournal articleResearchpeer-review

  76. Published

    Physics of the GRB 030328 afterglow and its environment

    Maiorano, E., Masetti, N., Palazzi, E., Savaglio, S., Rol, E., Vreewijk, P. M., Pian, E., Price, P. A., Peterson, B. A., Jelinek, M., Amati, L., Andersen, M. I., Castro-Tirado, A. J., Ceron, J. M. C., de Ugarde Postigo, A., Frontera, F., Fruchter, A. S., Fynbo, J. P. U., Gorosabel, J., Henden, A. A. & 13 others, Hjorth, Jens, Jensen, B. L., Klose, S., Kouveliotou, C., Masi, G., Møller, P., Nicastro, L., Ofek, E. O., Pandey, S. B., Rhoads, J., Tanvir, N., Wijers, R. A. M. J. & van der Heuvel, E. P. J., 2006, In: Astronomy & Astrophysics. 455, p. 423-431

    Research output: Contribution to journalJournal articleResearchpeer-review

  77. Published

    Probing cosmic chemical evolution with gamma-ray bursts: GRB 060206 at z=4.048

    Fynbo, J. P. U., Starling, R. L. C., Ledoux, C., Wiersema, K., Thöne, C. C., Sollerman, J. O., Jakobsson, P., Hjorth, J., Watson, D., Vreeswijk, P. M., Møller, P., Rol, E., Gorosabel, J., Näränen, J., Wijers, R. A. M. J., Björnsson, G., Castro Cerón, J. M., Curran, P., Hartmann, D. H., Holland, S. T. & 6 others, Jensen, B. L., Levan, A. J., Limousin, M., Kouveliotou, C., Pedersen, K. & Tanvir, R., 2006, In: Astronomy & Astrophysics. 451, p. L47-L50

    Research output: Contribution to journalJournal articleResearchpeer-review

  78. Published

    Star formation rates and stellar masses in z ~ 1 gamma-ray burst hosts

    Castro Cerón, J. M., Michalowski, M., Hjorth, Jens, Watson, Darach Jafar, Fynbo, Johan Peter Uldall & Gorosabel, J., 2006, In: Astrophysical Journal. 653, 2, p. L85-L88

    Research output: Contribution to journalJournal articleResearchpeer-review

  79. Published

    Supernova 2006aj and the associated X-Ray flash 060218

    Sollerman, J. O., Jaunsen, A. O., Fynbo, J. P. U., Hjorth, J., Jakobsson, P., Féron, C., Laursen, P., Ovaldsen, J. -E., Selj, J., Thöne, C., Xu, D., Davis, T. M., Gorosabel, J., Watson, D., Duro, R., Ilyin, I., Jensen, B. L., Lysfjord, N., Marquart, T., Nielsen, T. B. & 5 others, Näränen, J., Schwarz, H. E., Walch, S., Wold, M. & Östlin, G., 2006, In: Astronomy & Astrophysics. 454, 2, p. 503-509

    Research output: Contribution to journalJournal articleResearchpeer-review

  80. Published

    The X-ray spectrum and fightcurve of the redshift 6.29 gamma-ray burst GRB 050904

    Watson, Darach Jafar, Reeves, J., Hjorth, Jens, Fynbo, Johan Peter Uldall, Jakobsson, P., Pedersen, K., Sollerman, J. O., Castro Cerón, J. M., McBreen, S. & Foley, S., 2006, AIP Conference Proceedings vol.836. 16th Annual Astrophysics ConferenceWashington, DC, NOV 29-DEC 02, 2005NASA, Goddard Space Flight Ctr; Univ Maryland; Gen Dynam. American Institute of Physics, Vol. 836. p. 582-585

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  81. Published

    The faint afterglow and host galaxy of the short-hard GRB 060121

    Levan, A. J., Tanvir, N. R., Fruchter, A. S., Rol, E., Fynbo, Johan Peter Uldall, Hjorth, Jens, Williams, G. L., Bergeron, E., Bersier, D., Bremer, M., Grav, T., Jakobsson, P., Nilsson, K., Olszewski, E., Priddey, R. S., Rafferty, D. & Rhoads, J., 2006, In: Astrophysical Journal. 648, 1, p. L9-L12

    Research output: Contribution to journalJournal articleResearchpeer-review

  82. Published

    The galaxies in the field of the nearby GRB 980425/SN 1998bw

    Foley, S., Watson, Darach Jafar, Gorosabel, J., Fynbo, Johan Peter Uldall, Sollerman, J. O., McGlynn, S., McBreen, B. & Hjorth, Jens, 2006, In: Astronomy & Astrophysics. 447, p. 891-895

    Research output: Contribution to journalJournal articleResearchpeer-review

  83. Published

    The soft X-ray blast in the apparently subluminous GRB 031203

    Watson, Darach Jafar, Vaughan, S. A., Willingale, R., Hjorth, Jens, Foley, S., Fynbo, Johan Peter Uldall, Jakobsson, P., Levan, A., O'Brian, P. T., Osborne, J. P., Pedersen, K., Reeves, J. N., Tedds, J. A. & Watson, M. G., 2006, In: Astrophysical Journal. 636, 2, p. 967-970

    Research output: Contribution to journalJournal articleResearchpeer-review

  84. Published

    Three intervening galaxy absorbers towards GRB 060418: faint and dusty?

    Ellison, S. L., Vreeswijk, P., Ledoux, C., Willis, J. P., Jaunsen, A. O., Wijers, R. A. M. J., Smette, A., Fynbo, Johan Peter Uldall, Møller, P., Hjorth, Jens & Kaufer, A., 2006, In: Monthly Notices of the Royal Astronomical Society. 372, 1, p. L38-L42

    Research output: Contribution to journalJournal articleResearchpeer-review

  85. Published

    Infrared and optical observations of GRB 030115 and its extremely red host galaxy: Implications for dark bursts

    Levan, A., Fruchter, A., Rhoads, J., Mobasher, B., Tanvir, N., Gorosabel, J., Rol, E., Kouveliotou, C., Dell'Antonio, I., Merrill, M., Bergeron, E., Cerón, J. M. C., Masetti, N., Vreeswijk, P., Antonelli, A., Bersier, D., Castro-Tirado, A., Fynbo, J., Garnavich, P., Holland, S. & 7 others, Hjorth, Jens, Nugent, P., Pian, E., Smette, A., Thomsen, B., Thorsett, S. E. & Wijers, R., 10 Aug 2006, In: Astrophysical Journal. 647, 1 I, p. 471-482 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  86. 2007
  87. Published

    A search for host galaxies of 24 Gamma-ray bursts

    Osvaldsen, J., Jaunsen, A. O., Fynbo, Johan Peter Uldall, Hjorth, Jens, Thöne, C., Féron, C., Xu, D., Selj, J. H. & Teuber, J., 2007, In: Astrophysical Journal. 662, 1, p. 294-303 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  88. Published

    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., Møller, P., Palazzi, E., Rau, A., Stecklum, B., Castro-Tirado, A. J., Fynbo, J. P. U., Hjorth, J., Jakobsson, P., Kouveliotou, C., Masetti, N., Pian, E., Tanvir, N. R. & 1 others, Wijers, R. A. M. J., 2007, In: Astronomical Journal. 134, 6, p. 2118-2123 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  89. Published

    Detection of GRB 060927 at z =5.47: Implications for the use of gamma-ray bursts as probes of the end of the dark ages

    Ruiz-Velasco, A. E., Swan, H., Troja, E., Malesani, D., Fynbo, J. P. U., Starling, R. L. C., Xu, D., Aharonian, F., Akerlof, C., Andersen, M. I., Ashley, M. C. B., Barthelmy, S. D., Bersier, D., Castro Cer'on, J. M., Castro-Tirado, A. J., Gehrels, N., Gögüs, E., Gorosabel, J., Guidorzi, C., Güver, T. & 37 others, Hjorth, Jens, Horns, D., Huang, K. Y., Jakobsson, P., Jensen, B. L., Kiziloglu, Ü., Kouveliotou, C., Krimm, H. A., Ledoux, C., Levan, A. J., Marsh, T., McKay, T., Melandri, A., Milvang-Jensen, B., Mundell, C. G., O'Brien, P. T., Özel, M., Phillips, A., Quimby, R., Rowell, G., Rujopakarn, W., Rykoff, E. S., Schaefer, B. E., Sollerman, J. O., Tanvir, N. R., Thöne, C. C., Urata, Y., Vestrand, W. T., Vreeswijk, P. M., Watson, Darach Jafar, Wheeler, J. C., Wijers, R. A. M. J., Wren, J., Yost, S. A., Yuan, F., Zhai, M. & Zheng, W. K., 2007, In: Astrophysical Journal. 669, 1, p. 1-9 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  90. Published

    Extensive multiband study of the X-ray rich GRB 050408 - A likely off-axis event with an intense energy injection

    de Ugarte Postigo, A., Fatkhullin, T. A., J'ohannesson, G., Gorosabel, J., Sokolov, V. V., Castro-Tirado, A. J., Balega, Y. Y., Spiridonova, O. I., Jelinek, M., Guziy, S., P'erez-Ramirez, D., Hjorth, J., Laursen, P., Bersier, D., Pandey, S. B., Bremer, M., Monfardini, A., Huang, K. Y., Urate, Y., Ip, W. H. & 23 others, Tamagawa, T., Kinoshita, D., Mizuno, T., Arai, Y., Yamagishi, H., Soyano, T., Usui, F., Tashiro, M., Abe, K., Onda, K., Aslan, Z., Khamitov, I., Ozisik, T., Kiziloglu, U., Bikmaev, I., Sakhibullin, N., Burenien, R., Pavlinsky, M., Sunyaev, R., Bhattacharya, D., Kamble, A. P., Ishwara Chandra, C. H. & Trushkin, S. A., 2007, In: Astronomy & Astrophysics. 462, 3, p. L57-L60 3 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  91. Published

    GRB 051022: Physical parameters and extinction of a prototype dark burst

    Rol, E., van der Horst, A., Wiersema, K., Patel, S. K., Levan, A., Nysewander, M., Kouveliotou, C., Wijers, R. A. M. J., Tanvir, N., Reichart, D., Fruchter, A. S., Graham, J., Ovaldsen, J-E., Jaunsen, A. O., Jonker, P., van Ham, W., Hjorth, J., Starling, R. L. C., O'Brien, P. T., Fynbo, J. P. U. & 2 others, Burrows, D. N. & Strom, R., 2007, In: Astrophysical Journal. 669, 2, p. 1098-1106 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  92. Published

    GRB051022: physical parameters and extinction of a prototype dark burst

    Evert, R., van der Horst, A., Wiersema, K., Patel, S. K., Levan, A., Nysewander, M., Kouveliotou, C., Wijers, R. A. M. J., Tanvir, N., Reichart, D., Fruchter, A. S., Graham, J., Ovaldsen, J-E., Jaunsen, A. O., Jonker, P., van Ham, W., Hjorth, J., Starling, R. L. C., O'Brien, P. T., Fynbo, J. P. U. & 2 others, Burrows, D. N. & Strom, R., 2007, In: Astrophysical Journal. 669, 2, p. 1098-1106 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  93. Published

    Gamma-ray burst host galaxies and the link to star-formation

    Fynbo, Johan Peter Uldall, Hjorth, Jens, Malesani, Daniele Bjørn, Sollerman, J. O., Watson, Darach Jafar, Jakobsson, P., Gorosabel, J. & Janusen, A. O., 2007, To appear in the Proceedings of the Eleventh Marcel Grossmann Meeting on General Relativity: Singapre, Marts,  2007. 9 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

  94. Published

    Optical, infrared, and ultraviolet observations of the X-ray flash XRF 050416A

    Holland, S. T., Boyd, P. T., Gorosabel, J., Hjorth, J., Schady, P., Thomsen, B., Augusteijn, T., Blustin, A. J., Breeveld, A., De Pasquale, M., Fynbo, J. P. U., Gehrels, N., Gronwall, C., Hunsberger, S., Ivanushkina, M., Landsman, W., Laursen, P., McGowan, K., Mangano, V., Markwardt, C. B. & 8 others, Marshall, F., Mason, K. O., Moretti, A., Page, M. J., Poole, T., Roming, P., Rosen, S. & Still, M., 2007, In: Astronomical Journal. 133, 1, p. 122-129 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  95. Published

    Rapid-response mode VLT/UVES spectroscopy of GRB 060418- Conclusive evidence for UV pumping from the time evolution of Fe II and Ni II excited-and metastable-level populations

    Wreeswijk, P. M., Ledoux, C., Smette, A., Ellison, S. L., Jaunsen, A. O., Andersen, M. I., Fruchter, A. S., Fynbo, Johan Peter Uldall, Hjorth, Jens, Kaufer, A., Møller, P., Petitjean, P., Savaglio, S. & Wijers, R. A. M. J., 2007, In: Astronomy & Astrophysics. 468, 1, p. 83-96 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  96. Published

    The nature of the x-ray flash of August 24 2005: Photometric evidence for an on-axis z= 0.83 burst with continuous energy injection and an associated supernova ?

    Sollerman, J. O., Fynbo, J. P. U., Gorosabel, J., Halpern, J., Hjorth, J., Jakobsson, P., Mirabal, N., Watson, D. J., Xu, D., Castro-Tirado, A. J., Féron, C., Jaunsen, A. O., Jelinek, M., Jensen, B. L., Kann, D. A., Osvaldsen, J. E., Pozanenko, A., Stritzinger, M. D., Thöne, C., de Ugarte Postigo, A. & 6 others, Guziy, S., Ibrahimov, M., Järvinen, S. P., Levan, A., Rumyantsev, V. & Tanvir, N., 2007, In: Astronomy & Astrophysics. 466, 3, p. 839-846 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  97. Published

    Very different x-ray-to-optical column density ratios in ¿-ray burst afterglows: ionization in GRB environments

    Watson, Darach Jafar, Hjorth, Jens, Fynbo, Johan Peter Uldall, Jakobsson, P., Foley, S., Sollerman, J. O. & Wijers, R. A. M. J., 2007, In: Astrophysical Journal. 660, 2, p. L101-L104 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  98. 2008
  99. Published

    GRB 070306: a highly extinguished afterglow

    Jaunsen, A. O., Rol, E., Watson, Darach Jafar, Malesani, Daniele Bjørn, Ovaldsen, J. -., Fynbo, Johan Peter Uldall, Milvang-Jensen, B., Hjorth, Jens, Vreeswijk, P. M., Wiersema, K., Tanvir, N. R., Levan, A., Schirmer, M. & Castro-Tirado, A. J., 2008, In: Astrophysical Journal. 681, 1, p. 453-461 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  100. Published

    GRB 080913: VLT redshift

    Vreeswijk, P. M., Fynbo, Johan Peter Uldall, Malesani, Daniele Bjørn, Hjorth, Jens & de Ugarte Postigo, A., 2008, USA

    Research output: Other contributionResearch

  101. Published

    GRB080916A: spectroscopic redshift

    Fynbo, Johan Peter Uldall, Malesani, Daniele Bjørn, Hjorth, Jens, Sollerman, J. O. & Thöne, C., 2008, In: GCN circulars. 8254, p. 1

    Research output: Contribution to journalJournal articleResearch

  102. Published

    Hot GRB-selected submillimeter galaxies: Conference on Pathways Through and Eclectic UniverseSantiago del Teide, SPAIN, APR 23-27, 2007 , Book Series: ASTRONOMICAL SOCIETY OF THE PACIFIC CONFERENCE SERIES    Volume: 390    Pages: 493-494    Published: 2008

    Michalowski, M., Hjorth, Jens, Castro Cerón, J. M. & Watson, Darach Jafar, 2008, ASP Conference Series,  vol.390: Pathways Through an Eclectic Universe. Vol. 390.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  103. Published
  104. Published

    On the nature of the short-duration GRB 050906

    Levan, A., Tanvir, N., Jakobsson, P., Chapman, R., Hjorth, Jens, Priddey, R., Fynbo, Johan Peter Uldall, Hurley, K., Jensen, B., Johnson, R., Gorosabel, J., Castro-Tirado, A., Jarvis, M., Watson, Darach Jafar & Wiersema, K., 2008, In: Monthly Notices of the Royal Astronomical Society. 384, 2, p. 541-547 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  105. Published

    Simulated dark-matter halos as a test of nonextensive statistical mechanics

    Féron, C. & Hjorth, Jens, 2008, In: Physical Review E (Statistical, Nonlinear, and Soft Matter Physics). 77 (Part 1), 2, p. 022106

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 6508