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Browsing University of Hertfordshire by Author "Rol, E."
Now showing items 1-18 of 18
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A case of mistaken identity GRB 060912A and the nature of the long-short GRB divide
Levan, A.; Jakobsson, P.; Hurkett, C.; Tanvir, N.; Gorosabel, J.; Vreeswijk, P.M.; Rol, E.; Chapman, R.; Gehrels, N.; O'Brien, O.T.; Osborne, J.P.; Priddey, R.; Kouveliotou, C.; Starling, R.L.; Vanden Berk, D.; Wiersema, K. (2007) -
Detailed radio view on two stellar explosions and their host galaxy : XRF 080109/SN 2008D and SN 2007uy in NGC 2770
van der Horst, A.J.; Kamble, A.P.; Paragi, Z.; Sage, L.J.; Pal, S.; Taylor, G.B.; Kouveliotou, C.; Granot, J.; Ramirez-Ruiz, E.; Ishwara-Chandra, C.H.; Oosterloo, T.; Wijers, R.A.M.J.; Wiersema, K.; Strom, R.G.; Bhattacharya, D.; Rol, E.; Starling, R.L.; Curran, P.; Garrett, M.A. (2011)The galaxy NGC 2770 hosted two core-collapse supernova (SN) explosions, SN 2008D and SN 2007uy, within 10 days of each other and 9 years after the first SN of the same type, SN 1999eh, was found in that galaxy. In particular, ... -
Early spectroscopic identification of SN 2008D
Malesani, D.; Fynbo, J.; Hjorth, J.; Leloudas, G.; Sollerman, J.; Stritzinger, M.; Vreeswijk, P.M.; Watson, D.; Gorosabel, J.; Michalowski, M.; Thone, C.C.; Augusteijn, T.; Bersier, D.; Jakobsson, P.; Jaunsen, A.O.; Ledoux, C.; Levan, A.; Milvang-Jensen, B.; Rol, E.; Tanvir, N.; Wiersema, K.; Xu, D. (2009)SN 2008D was discovered while following up an unusually bright X-ray transient (XT) in the nearby spiral galaxy NGC 2770. We present early optical spectra (obtained 1.75 days after the XT) which allowed the first identification ... -
The Early-Time Optical Properties of Gamma-Ray Burst Afterglows
Melandri, A.; Mundell, C.G.; Kobayashi, S.; Guidorzi, C.; Gomboc, A.; Steele, I.A.; Smith, R.J.; Bersier, D.; Mottram, C.J.; Carter, D.; Bode, M.F.; O'Brien, P.T.; Tanvir, N.; Rol, E.; Chapman, R. (2008)We present a multiwavelength analysis of 63 gamma-ray bursts observed with the world's three largest robotic optical telescopes, the Liverpool and Faulkes Telescopes (North and South). Optical emission was detected for 24 ... -
The extreme red afterglow of GRB 060923: distance or dust?
Tanvir, N.; Levan, A.; Rol, E.; Starling, R.L.; Gorosabel, J.; Priddey, R.; Malesani, D.; Jakobsson, P.; O'Brien, P.T.; Jaunsen, A.O.; Hjorth, J.; Fynbo, J.; Melandri, A.; Gomboc, A.; Milvang-Jensen, B.; Fruchter, A.S.; Jarvis, M.J.; Fernandes, C.A.C.; Wold, T. (2008) -
An extremely luminous panchromatic outburst from the nucleus of a distant galaxy
Levan, Andrew; Tanvir, Nial; Cenko, S.B.; Perley, D.A.; Wiersema, K.; Bloom, J.S.; Fruchter, A.S.; Postigo, A.; O'Brien, O.T.; Butler, N.R.; van der Horst, A.J.; Leloudas, G.; Morgan, A.N.; Misra, K.; Bower, G.C.; Farihi, J.; Tunnicliffe, R.L.; Modjaz, M.; Silverman, J.M.; Hjorth, J.; Thone, C.C.; Cucchiara, A.; Ceron, J.M.C.; Castro-Tirado, A.J.; Arnold, J.A.; Bremer, M.; Brodie, J.P.; Carroll, T.; Cooper, M.C.; Curran, P.; Cutri, R.M.; Ehle, J.; Forbes, D.; Fynbo, J.; Gorosabel, J.; Graham, J.; Hoffman, D.I.; Guziy, S.; Jakobsson, Pall; Kamble, A.P.; Kerr, T.H.; Kasliwal, M.M.; Kouveliotou, C.; Kocevski, D.; Law, N.M.; Nugent, P.; Ofek, E.O.; Poznanski, D.; Quimby, R.M.; Rol, E.; Romanowsky, A.J.; Sanchez-Ramirez, R.; Schulze, S.; Singh, N.; Van Spaandonk, Lieke; Starling, R.L.; Strom, R.G.; Tello, J.C.; Vaduvescu, O.; Wheatley, P.J.; Wijers, R.A.M.J.; Winters, J.M.; Xu, D. (2011)Variable x-ray and gamma-ray emission is characteristic of the most extreme physical processes in the universe. We present multiwavelength observations of a unique gamma-ray-selected transient detected by the Swift satellite, ... -
The Faint Afterglow and Host Galaxy of the Short Hard GRB 060121
Levan, A.; Tanvir, N.; Fruchter, A.S.; Rol, E.; Fynbo, J.; Hjorth, J.; Williams, G.; Bergeron, E.; Bersier, D.; Bremer, M.; Grav, T.; Jakobsson, P.; Nilsson, K.; Olszewski, E.; Priddey, R.; Rafferty, D.; Rhoads, J.E. (2006) -
GRB 001109: deep JHK upper limits
Vreeswijk, P.M.; Rol, E.; Packham, C.; Tanvir, N.; Kouveliotou, C.; Wijers, R.A.M.J.; Knapen, J. (2000)We observed the field of GRB 001109 [1] in J, H and Ks with INGRID on the 4.2m William Herschel Telescope on La Palma, Canary Islands on Nov. 9.8 and 11.8 UT, respectively 10 and 59 hours after the burst. The 50" radius ... -
GRB 060206 and the quandary of achromatic breaks in afterglow light curves
Curran, P.; van der Horst, A.J.; Wijers, R.A.M.J.; Starling, R.L.; Castro-Tirado, A.J.; Fynbo, J.; Gorosabel, J.; Jarvinen, A.S.; Malesani, D.; Rol, E.; Tanvir, N.; Wiersema, K.; Burleigh, M.R.; Casewell, S.L.; Dobbie, P.D.; Guziy, S.; Jakobsson, P.; Jelinek, M.; Laursen, P.; Levan, A.; Mundell, C.G.; Naranen, J.; Piranomonte, S. (2007) -
The GRB 060218/SN 2006aj event in the context of other gamma-ray burst supernovae
Ferrero, P.; Kann, D.A.; Zeh, A.; Klose, S.; Pian, E.; Palazzi, E.; Masetti, N.; Hartmann, D.H.; Sollerman, J.; Deng, J.; Filippenko, A.; Greiner, J.; Hughes, M.A.; Mazzali, P.; Li, W.; Rol, E.; Smith, R.J.; Tanvir, N. (2006) -
Late-time observations of GRB 080319B: jet break, host galaxy and accompanying supernova
Tanvir, N.; Rol, E.; Levan, A.; Svensson, K.; Fruchter, A.S.; Granot, J.; O'Brien, P.T.; Wiersema, K.; Starling, R.L.; Jakobsson, P.; Fynbo, J.; Hjorth, J.; Curran, P.; van der Horst, A.J.; Kouveliotou, C.; Racusin, J.L.; Burrows, D.N.; Genet, F. (2010)The Swift-discovered GRB 080319B was by far the most distant source ever observed at naked-eye brightness, reaching a peak apparent magnitude of 5.3 at a redshift of z = 0.937. We present our late-time optical (Hubble Space ... -
LOFAR MSSS: Detection of a low-frequency radio transient in 400 hrs of monitoring of the North Celestial Pole
Stewart, A. J.; Fender, R.P.; Broderick, J. W.; Hassall, T. E.; Muñoz-Darias, T.; Rowlinson, A.; Swinbank, J. D.; Staley, T. D.; Molenaar, G. J.; Scheers, B.; Grobler, T. L.; Pietka, M.; Heald, G.; McKean, J. P.; Bell, M. E.; Bonafede, A.; Breton, R. P.; Carbone, D.; Cendes, Y.; Clarke, A. O.; Corbel, S.; Gasperin, F. de; Eislöffel, J.; Falcke, H.; Ferrari, C.; Grießmeier, J. -M.; Hardcastle, M.J.; Heesen, V.; Hessels, J. W. T.; Horneffer, A.; Iacobelli, M.; Jonker, P.; Karastergiou, A.; Kokotanekov, G.; Kondratiev, V. I.; Kuniyoshi, M.; Law, C. J.; Leeuwen, J. van; Markoff, S.; Miller-Jones, J. C. A.; Mulcahy, D.; Orru, E.; Pandey-Pommier, M.; Pratley, L.; Rol, E.; Röttgering, H. J. A.; Scaife, A. M. M.; Shulevski, A.; Sobey, C. A.; Stappers, B. W.; Tasse, C.; van der Horst, A.J.; Velzen, S. van; Weeren, R. J. van; Wijers, R.A.M.J.; Wijnands, R.; Wise, M.; Zarka, P.; Alexov, A.; Anderson, J.; Asgekar, A.; Avruch, I. M.; Bentum, M. J.; Bernardi, G.; Best, P.; Breitling, F.; Brüggen, M.; Butcher, H. R.; Ciardi, B.; Conway, J. E.; Corstanje, A.; Geus, E. de; Deller, A.; Duscha, S.; Frieswijk, W.; Garrett, M.A.; Gunst, A. W.; Haarlem, M. P. van; Hoeft, M.; Hörandel, J.; Juette, E.; Kuper, G.; Loose, M.; Maat, P.; McFadden, R.; McKay-Bukowski, D.; Moldon, J.; Munk, H.; Norden, M. J.; Paas, H.; Polatidis, A. G.; Schwarz, D.; Sluman, J.; Smirnov, O.; Steinmetz, M.; Thoudam, S.; Toribio, M. C.; Vermeulen, R.; Vocks, C.; Wijnholds, S. J.; Wucknitz, O.; Yatawatta, S. (2016-03-01)We present the results of a four-month campaign searching for low-frequency radio transients near the North Celestial Pole with the Low-Frequency Array (LOFAR), as part of the Multifrequency Snapshot Sky Survey (MSSS). The ... -
Low-resolution VLT spectroscopy of GRBs 991216, 011211 and 021211
Vreeswijk, P.M.; Smette, A.; Fruchter, S.; Palazzi, E.; Rol, E.; Wijers, R.A.M.J.; Kouveliotou, C.; Kaper, L.; Pian, E.; Masetti, N.; Frontera, F.; Hjorth, J.; Gorosabel, J.; Piro, L.; Fynbo, J.; Jakobsson, P.; Watson, D.; O'Brien, P.T.; Ledoux, C. (2006) -
On the Afterglow of the X-ray Flash of 2003 July 23: Photometric evdence for an Off-Axis Gamma-Ray burst with an Associated Supernova
Fynbo, J.; Sollerman, J.; Hjorth, J.; Grundahl, F.; Gorosabel, J.; Weidinger, M.; Moller, P.; Jensen, B.L.; Vreeswijk, P.M.; Fransson, C.; Ramirez-Ruiz, E.; Jakobsson, P.; Jorgensen, S.F.; Vinter, C.; Andersen, M.I.; Castro Ceron, J.M.; Castro-Tirado, A.J.; Fruchter, A.S.; Greiner, J.; Kouveliotou, C.; Levan, A.; Klose, S.; Masetti, N.; Pedersen, K.; Palazzi, E.; Pian, E.; Rhoads, J.E.; Rol, E.; Sekiguchi, T.; Tanvir, N.; Tristram, P.J.; Postigo, A.; Wijers, R.A.M.J.; van den Heuvel, E.P.J. (2004-07) -
A photometric redshift of z = 6.39 0.12 for GRB 050904
Haislip, J.B.; Nysewander, M.C.; Reichart, D.; Levan, A.; Tanvir, N.; Cenko, S.B.; Fox, D.B.; Price, P.A.; Castro-Tirado, A.J.; Gorosabel, J.; Evans, C.R.; Figueredo, E.; MacLeod, C.L.; Kirschbrown, J.R.; Jelinek, M.; Guizy, S.; Postigo, A.; Cypriano, E.S.; Lacluyze, A.; Graham, J.; Priddey, R.; Chapman, R.; Rhoads, J.E.; Fruchter, A.S.; Lamb, D.Q.; Kouveliotou, C.; Wijers, R.A.M.J.; Bayliss, M.B.; Schmidt, B.P.; Soderberg, A.B.; Kulkami, S.R.; Harrison, F.A.; Moon, D.S.; Gal-Yam, A.; Kasliwal, M.M.; Hudec, R.; Vitek, S.; Kubanek, P.; Crain, J.A.; Foster, A.C.; Clemens, J.C.; Bartelme, J.W.; Canterna, R.; Hartmann, D.H.; Henden, A.A.; Klose, S.; Park, H.; Williams, G.; Rol, E.; O'Brien, P.; Bersier, D.; Prada, F.; Pizarro, S.; Maturana, D.; Ugarte, P.; Alvarez, E.; Fernandez, A.J.M.; Jarvis, M.J.; Moles, M.; Alfaro, E.; Ivarsen, K.M.; Kumar, N.D.; Mack, C.E.; Zdarowicz, C.M.; Gehrels, N.; Barthelmy, S.; Burrows, D.N. (2006-03) -
Probing cosmic chemical evolution with gamma-ray bursts: GRB 060206 at z = 4.048
Fynbo, J.; Starling, R.L.; Ledoux, C.; Wiersema, K.; Thoene, C.C.; Sollerman, J.; Jakobsson, P.; Hjorth, J.; Watson, D.; Vreeswijk, P.M.; Moller, P.; Rol, E.; Gorosabel, J.; Naranen, J.; Wijers, R.A.M.J.; Bjornsson, G.; Castro Ceron, J.M.; Curran, P.; Hartmann, D.H.; Holland, S.T.; Jensen, B.L.; Levan, A.; Limousin, M.; Kouveliotou, C.; Nelemans, G.; Pedersen, K.; Priddey, R.; Tanvir, N. (2006) -
Spectroscopy of the gamma-ray burst GRB021004: a structured jet ploughing through a massive stellar wind
Starling, R.L.; Wijers, R.A.M.J.; Hughes, M.A.; Tanvir, N.; Vreeswijk, P.M.; Rol, E.; Salamanca, I. (2005-06) -
A very energetic supernova associated with the -ray burst of 29 March 2003
Hjorth, J.; Sollerman, J.; Moller, P.; Fynbo, J.; Woosley, S.E.; Kouveliotou, C.; Tanvir, N.; Greiner, J.; Andersen, M.I.; Castro-Tirado, A.J.; Castro Ceron, J.M.; Fruchter, A.S.; Gorosabel, J.; Jakobsson, P.; Kaper, L.; Klose, S.; Masetti, N.; Pedersen, H.; Pedersen, K.; Pian, E.; Palazzi, E.; Rhoads, J.E.; Rol, E.; van den Heuvel, E.P.J.; Vreeswijk, P.M.; Watson, D.; Wijers, R.A.M.J. (2003)