Darach Jafar Watson
Professor
The Cosmic Dawn Center
Jagtvej 155A
2200 København N
- 2006
- 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-L126Research output: Contribution to journal › Journal article › Research › peer-review
- 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 proceeding › Article in proceedings › Research › peer-review
- 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, , 2006, In: Astronomy & Astrophysics. 460, 2, p. L13-L17Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 145-156Research output: Contribution to journal › Journal article › Research › peer-review
- 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, , 2006, In: Astrophysical Journal. 636, 1, part 1, p. 381-390Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 1047-1049Research output: Contribution to journal › Journal article › Research › peer-review
- 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-L72Research output: Contribution to journal › Journal article › Research › peer-review
- 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, , 2006, In: Astronomy & Astrophysics. 451, p. L47-L50Research output: Contribution to journal › Journal article › Research › peer-review
- 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-L88Research output: Contribution to journal › Journal article › Research › peer-review
- 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, , 2006, In: Astronomy & Astrophysics. 454, 2, p. 503-509Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 582-585Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 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. 891-895Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 967-970Research output: Contribution to journal › Journal article › Research › peer-review
- Published
XMM-Newton observation of a dust echo and X-ray flash in GRB 031203
Reeves..[et al.], J. N. & Watson, Darach Jafar, 2006, In: Advances in Space Research. 38, 7, p. 1287-1290Research output: Contribution to journal › Journal article › Research › peer-review
- 2007
- Published
A multi-wavelength study of z = 3.15 Lyman-a emitters in the GOODS south field
Nilsson, K. K., Møller, P., Möller, O., Fynbo, Johan Peter Uldall, Michalowski, M., Watson, Darach Jafar, Ledoux, C., Rosati, P., Pedersen, K. & Grove, L. F., 2007, In: Astronomy & Astrophysics. 471, 1, p. 71-82 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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, , 2007, In: Astrophysical Journal. 669, 1, p. 1-9 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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 proceeding › Article in proceedings › Research
- Published
No supernovae detected in two long-duration gamma-ray bursts
Watson, Darach Jafar, Fynbo, Johan Peter Uldall, Thöne, C. & Sollerman, J. O., 2007, In: Philosophical Transactions. Series A : Mathematical, physical, and engineering science. 1854, p. 1269-1275Research output: Contribution to journal › Conference article › Research › peer-review
- 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, , 2007, In: Astronomy & Astrophysics. 466, 3, p. 839-846 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 2008
- 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
GRB 080928: VLT redshift
Vreeswijk, P. M., Malesani, Daniele Bjørn, Fynbo, Johan Peter Uldall, Jacobsson, J., Thöne, C., Sollerman, J. O., Watson, Darach Jafar & Milvang-Jensen, B., 2008, In: GCN circulars. 8301, 1Research output: Contribution to journal › Journal article › Research
- 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
- 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
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
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 spectral lag of GRB 060505: A likely member of the long-duration class
McBreen, S., Foley, S., Watson, Darach Jafar, Hanlon, L., Malesani, Daniele Bjørn, Fynbo, Johan Peter Uldall, Kann, D. A., Gehrels, N., McGlynn, S. & Palmer, D., 2008, In: Astrophysical Journal. 677, 2, p. L85-L88 3 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2009
- 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
Current problems in extragalactic dust
Watson, Darach Jafar, Andersen, Anja C. & Fynbo, Johan Peter Uldall, 2009.Research output: Contribution to conference › Conference abstract for conference › Research
- 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
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
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
Galaksernes oprindelse og universets " dark ages "
Fynbo, Johan Peter Uldall, Andersen, Anja C., Hansen, Steen Harle, Pedersen, K., Sollerman, J. O. & Watson, Darach Jafar, 2009, In: Naturens Verden. 1, p. 26-33Research output: Contribution to journal › Journal article › Communication
- 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
- 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
- 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
- 2010
- 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
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
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
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
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
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
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
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
- 2011
- Published
A New Cosmological Distance Measure Using Active Galactic Nuclei
Watson, Darach Jafar, Denney, K. D., Vestergaard, Marianne & Davis, T. M., 20 Jan 2011, In: Astrophysical Journal. 740, 2, p. L49Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The metallicity of gamma-ray burst environments from high-energy observations
Watson, Darach Jafar & Laursen, Peter, 3 Feb 2011, In: Astronomy & Astrophysics. 527, p. A104Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Exploring Dust Extinction at the Edge of Reionization
Zafar, T., Watson, Darach Jafar, Tanvir, N. R., Fynbo, Johan Peter Uldall, Starling, R. L. C. & Levan, A. J., 7 Jun 2011, In: Astrophysical Journal. 735, 1Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Spectroscopic Evidence for SN 2010ma Associated with GRB 101219B
Sparre....[et al.], M., Sollerman, J. O., Fynbo, Johan Peter Uldall, Malesani, Daniele Bjørn, Ugarte Postigo, A. D., Hjorth, Jens, Leloudas, G., Milvang-Jensen, B. & Watson, Darach Jafar, 10 Jun 2011, In: Astrophysical Journal. 735, 1Research output: Contribution to journal › Journal article › Research › peer-review
ID: 12079
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Spectroscopy of the short-hard GRB 130603B: The host galaxy and environment of a compact object merger
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The Emergence of a Lanthanide-rich Kilonova Following the Merger of Two Neutron Stars
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The Environment of the Binary Neutron Star Merger GW170817
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