Jens Hjorth
Professor
DARK
Jagtvej 155A
2200 København N
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
- 2007
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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, , 2007, In: Astronomy & Astrophysics. 462, 3, p. L57-L60 3 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2008
- Published
- Published
GRB080916A: spectroscopic redshift
Fynbo, Johan Peter Uldall, Malesani, Daniele Bjørn, Hjorth, Jens, Sollerman, J. O. & Thöne, C., 2008, In: GCN circulars. 8254, p. 1Research output: Contribution to journal › Journal article › Research
- 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. 022106Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- Published
- 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 proceeding › Article in proceedings › Research › peer-review
- Published
The nature of GRB-selected submillimeter galaxies: hot and young
Michalowski, M., Hjorth, Jens, Castro Cerón, J. M. & Watson, Darach Jafar, 2008, In: Astrophysical Journal. 672, 2, p. 817-824Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The extreme, red afterglow of GRB 060923A: distance or dust?
Tanvir, N., Levan, A., Rol, E., Starling, R., Gorosabel, J., Priddey, R., Malesani, D., Jakobsson, P., O'Brien, P., Jaunsen, A., Hjorth, Jens, Fynbo, Johan Peter Uldall, Melandri, A., Gomboc, A., Milvang-Jensen, B., Fruchter, A., Jarvis, M., Fernandes, C. & Wold, T., 2008, In: Monthly Notices of the Royal Astronomical Society. 388, 4, p. 1743-1750 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Spatially resolved properties of the GRB 060505 host: Implications for the nature of the progenitor
Thöne, C., Fynbo, Johan Peter Uldall, Östlin, G., Milvang-Jensen, B., Wiersema, K., Malesani, Daniele Bjørn, Della M. F., D., Gorosabel, J., Kann, D. A., Watson, Darach Jafar, Michalowski, M. J., Fruchter, A. S., Levan, A. J., Hjorth, Jens & Sollerman, J. O., 2008, In: Astrophysical Journal. 678, 2, p. 1151-1161 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
GRB 080913: VLT redshift
Vreeswijk, P. M., Fynbo, Johan Peter Uldall, Malesani, Daniele Bjørn, Hjorth, Jens & de Ugarte Postigo, A., 2008, USAResearch output: Other contribution › Research
- Published
Spectroscopy and multiband photometry of the afterglow of intermediate duration ¿-ray burst GRB 040924 and its host galaxy
Wiersema, K., Wiersema, A., Kann, A., Rol, E., Starling, R., Curran, P., Gorosabel, J., Levan, A., Fynbo, J. P. U., de Ugarte Postigo, A., Wijers, R., Castro-Tirado, A., Guziy, S., Hornstrup, A., Hjorth, J., Jelínek, M., Jensen, B., Kidger, M., Martin-Luis, F., Tanvir, N. & 2 others, , 2008, In: Astronomy & Astrophysics. 481, 2, p. 319-326 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
- Published
GRB 080805: VLT redshift update
de Ugarte Postigo, A., Thöne, C., Fynbo, Johan Peter Uldall, Hjorth, Jens, Jacobsson, P., Bahindi, Z., Grundahl, F. & Ahrentoft, T., 11 Aug 2008, USAResearch output: Other contribution › Research
- 2009
- Published
Dust extinction in high-z galaxies with gamma-ray burst afterglow spectroscopy: the 2175 Å feature at z = 2.45
Elíasdóttir, Á., Fynbo, Johan Peter Uldall, Hjorth, Jens, Ledoux, C., Watson, Darach Jafar, Andersen, A. C., Malesani, Daniele Bjørn, Vreeswijk, P. M., Prochaska, J. X., Sollerman, J. & Jaunsen, A. O., 2009, In: Astrophysical Journal. 697, 2, p. 1725-1740 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
GRB 060605: multi-wavelength analysis of the first GRB observed using integral field spectroscopy
Ferrero..[et al.], P., Hjorth, Jens & Malesani, Daniele Bjørn, 2009, In: Astronomy & Astrophysics. 497, 3, p. 729-741Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Low-resolution spectroscopy of gamma-ray burst optical afterglows: biases in the swift sample and characterization of the absorbers
Fynbo, Johan Peter Uldall, Jakobsson, P., Malesani, Daniele Bjørn, Vreeswijk, P. M., Hjorth, Jens, Sollerman, J. O., Jensen, B. L., Milvang-Jensen, B., Watson, Darach Jafar & Xu, D., 2009, In: Astrophysical Journal Supplement Series. 185, 2, p. 526-573 47 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A search for disk-galaxy lenses in the sloan digital sky survey
Féron, C., Hjorth, Jens, McKean, J. P. & Samsing, J., 2009, In: Astrophysical Journal. 696, 2, p. 1319-1338Research output: Contribution to journal › Journal article › Research › peer-review
- Published
GRB 080913 at redshift 6.7
Greiner, J., Krühler, T., Fynbo, J. P. U., Rossi, A., Schwarz, R., Klose, S., Savaglio, S., Tanvir, N. R., McBreen, S., Totani, T., Zhang, B. B., Wu, X. F., Watson, D., Barthelmy, S. D., Beardmore, A. P., Ferrero, P., Gehrels, N., Kann, D. A., Kawai, N., Yoldas, A. K. & 27 others, , 2009, In: Astrophysical Journal. 693, 2, p. 1610-1620 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
- Published
Early spectroscopic identification of SN 2008D
Malesani, Daniele Bjørn, Fynbo, Johan Peter Uldall, Hjorth, Jens, Leloudas, G., Vreeswijk, P. M., Watson, Darach Jafar, Thöne, C., Milvang-Jensen, B. & Sollerman, J. O., 2009, In: Astrophysical Journal. 692, 2, p. L84-L87 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The properties of the host galaxy and the immediate environment of GRB 980425 / SN 1998bw from the multi-wavelength spectral energy distribution
Michalowski, M., Hjorth, Jens, Malesani, Daniele Bjørn, Michalowski, T., María Castro Cerón, J., Reinfrank, R. F., Garrett, M. A., Fynbo, Johan Peter Uldall, Watson, Darach Jafar & Jørgensen, Uffe Gråe, 2009, In: Astrophysical Journal. 693, 1, p. 347-354Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Results of optical monitoring of 5 SDSS double QSOs with the Nordic Optical Telescope
Paraficz, D., Hjorth, Jens & Elíasdóttir, Á., 2009, In: Astronomy & Astrophysics. 499, 2, p. 395-408 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Gravitational lenses as cosmic rules: omega(m), omega(lambda) from time delays and velocity dispersions
Paraficz, D. & Hjorth, Jens, 2009, In: Astronomy & Astrophysics. 507, 3, p. L49-L52 3 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A gamma-ray burst at a redshift of z approximate to 8.2
Tanvir, N. R., Fox, D. B., Levan, A. J., Fynbo, Johan Peter Uldall, Hjorth, Jens, Sollerman, J. O. & Watson, Darach Jafar, 2009, In: Nature. 461, 7268, p. 1254-1257 3 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
NGC 2770: a supernova Ib factory ?
Thöne, C. C., Michalowski, M., Leloudas, G., Cox, N. L. J., Fynbo, Johan Peter Uldall, Sollerman, J., Hjorth, Jens & Vreeswijk, P. M., 2009, In: Astrophysical Journal. 698, 2, p. 1307-1320Research output: Contribution to journal › Journal article › Research › peer-review
- Published
In search of progenitors for supernovaless gamma-ray bursts 060505 and 060614: re-examination of their afterglow
Xu, D., Starling, R. L. C., Fynbo, Johan Peter Uldall, Sollerman, J. O., Yost, S., Watson, Darach Jafar, Foley, S., O'Brien, P. T. & Hjorth, Jens, 2009, In: Astrophysical Journal. 696, 1, p. 971-979Research output: Contribution to journal › Journal article › Research › peer-review
- 2010
- Published
On the distribution of stellar masses in gamma-ray burst host galaxies
Castro Cerón, J. M., Michalowski, M., Hjorth, Jens, Malesani, Daniele Bjørn, Gorosabel, J., Watson, Darach Jafar, Fynbo, Johan Peter Uldall & Calderon, C. M., 14 Sep 2010, In: Astrophysical Journal. 721, 2, p. 1919-1927 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
GRB 021004: Tomography of a gamma-ray burst progenitor and its host galaxy
Castro-Tirado...[et al.], A. J., Møller, P., Castro Cerón, J. M., Fynbo, Johan Peter Uldall, Hjorth, Jens, Pedersen, H. & Vreeswijk, P. M., 6 Aug 2010, In: Astronomy & Astrophysics. 517, p. A61 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
VLT/X-shooter spectroscopy of the GRB 090926A afterglow
D'Elia...[et al.], V., Fynbo, Johan Peter Uldall, Sollerman, J. O., Vreeswijk, P. M., Watson, Darach Jafar, Zafar, T., Hjorth, Jens, Malesani, Daniele Bjørn & Milvang-Jensen, B., 15 Nov 2010, In: Astronomy & Astrophysics. 532, A36, 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Erratum: "Low-Resolution Spectroscopy of Gamma-Ray Burst Optical Afterglows: Biases in the Swift Sample and Characterization of the Absorbers" (2009, ApJS, 185, 526)
Fynbo, Johan Peter Uldall, Malesani, Daniele Bjørn, Vreeswijk, P. M., Hjorth, Jens, Sollerman, J. O., Thöne, C., Maund, J. R., Milvang-Jensen, B., Watson, Darach Jafar & Xu, D., 3 Feb 2010, In: Astrophysical Journal Supplement Series. 186, 2, p. 485-496 11 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
- Published
Simultaneous polarization monitoring of supernovae SN2008D/XT 080109 and SN2007uy: isolating geometry from dust
Gorosabel...[et al.], J., Fynbo, Johan Peter Uldall, Hjorth, Jens, Michalowski, M. & Xu, D., 27 Oct 2010, In: Astronomy & Astrophysics. 522, p. A14 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Statistical mechanics of collisionless orbits. I. origin of central cusps in dark-matter halos
Hjorth, Jens & Williams, L. L. R., 23 Sep 2010, In: Astrophysical Journal. 722, 1, p. 851-855 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Afterglows of Swift-era Gamma-ray Bursts. I. Comparing pre-Swift and Swift-era Long/Soft (Type II) GRB Optical Afterglows
Kann...[et al.], D. A., Klose, S., Zhang, B., Malesani, Daniele Bjørn, Castro Cerón, J. M., Fynbo, Johan Peter Uldall, Hjorth, Jens, Laursen, Peter, Sollerman, J. O. & Watson, Darach Jafar, 10 Sep 2010, In: Astrophysical Journal. 720, 2, p. 1513-1558 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Cosmic evolution of submillimeter galaxies and their contribution to stellar mass assembly
Michalowski, M., Hjorth, Jens & Watson, Darach Jafar, 28 May 2010, In: Astronomy & Astrophysics. 514, p. A67 51 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Dust grain growth in the interstellar medium of 5 < z < 6.5 quasars
Michalowski, M., Murphy, E., Hjorth, Jens, Watson, Darach Jafar, Gall, C. & Dunlop, J. S., 27 Oct 2010, In: Astronomy & Astrophysics. 522, A15, 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Rapid Dust Production in Submillimeter Galaxies at z > 4?
Michalowski, M., Watson, Darach Jafar & Hjorth, Jens, 1 Apr 2010, In: Astrophysical Journal. 712, 2, p. 942-950 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Hubble Constant Inferred from 18 Time-delay Lenses
Paraficz, D. & Hjorth, Jens, 1 Apr 2010, In: Astrophysical Journal. 712, 2, p. 1378-1384 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Discovery of the afterglow and host galaxy of the low-redshift short GRB 080905A
Rowlinson...[et al.], A., Wiersema, K., Levan, A. J., Hjorth, Jens, Thöne, C. & Fynbo, Johan Peter Uldall, 11 Oct 2010, In: Monthly Notices of the Royal Astronomical Society. 408, 1, p. 383-391 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The unusual X-ray emission of the short Swift GRB 090515: evidence for the formation of a magnetar?
Rowlinson...[et al.], A., O'Brien, P. T., Tanvir, N. R. & Hjorth, Jens, 5 Oct 2010, In: Monthly Notices of the Royal Astronomical Society. 409, 2, p. 531-540 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Late-time observations of GRB 080319B: jet break, host galaxy, and accompanying supernova
Tanvir..[et al.], N. R., Rol, E., Levan, A. J., Fynbo, Johan Peter Uldall & Hjorth, Jens, 19 Nov 2010, In: Astrophysical Journal. 725, 1, p. 625-632 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Photometry and spectroscopy of GRB 060526: a detailed study of the afterglow and host galaxy of a z=3.2 gamma-ray burst
Thöne, C., Kann, D. A., Fynbo, Johan Peter Uldall, Hjorth, Jens, Jørgensen, Uffe Gråe, Malesani, Daniele Bjørn & Vreeswijk, P. M., 17 Jul 2010, In: Astronomy & Astrophysics. 523, A70, 21 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Statistical mechanics of collisionless orbits. II. structure of halos
Williams, L. L. R. & Hjorth, Jens, 1 Oct 2010, In: Astrophysical Journal. 722, 1, p. 856-861 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Statistical mechanics of collisionless orbits. III. comparison with N-body simulations
Williams, L. L. R., Wojtak, R. & Hjorth, Jens, 17 Nov 2010, In: Astrophysical Journal. 725, 1, p. 282-287 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
No evidence for dust extinction in GRB 050904 at z similar to 6.3
Zafar, T., Watson, Darach Jafar, Malesani, Daniele Bjørn, Vreeswijk, P. M., Fynbo, Johan Peter Uldall, Hjorth, Jens, Levan, A. J. & Michalowski, M., 15 Jun 2010, In: Astronomy & Astrophysics. 515, p. A94 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
GRB 090313: X-shooter's first shot at a gamma-ray burst
de Ugarte Postigo...[et al.}, A., Goldoni, P., Thöne, C., Malesani, Daniele Bjørn, Fynbo, Johan Peter Uldall, Hjorth, Jens, Rasmussen, Per Kjærgaard & Andersen, M., 22 Apr 2010, In: Astronomy & Astrophysics. 513, p. A42 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2011
- Published
GRB 050502B optical afterglow: a jet-break at high redshift
Afonso...[et al.], P., Greiner, J., Pian, E., Covino, S., Malesani, Daniele Bjørn & Hjorth, Jens, 13 Jan 2011, In: Astronomy & Astrophysics. 526, p. A154 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 6508
Most downloads
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2234
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Spectroscopy of the short-hard GRB 130603B: The host galaxy and environment of a compact object merger
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
1841
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VLT identification of the optical afterglow of the gamma-ray burst GRB 000131 at z=4.50
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
1251
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Discovery of a faint optical jet in 3C 120
Research output: Contribution to journal › Journal article › Research › peer-review
Published