Browsing by Author "van der Horst, A.J."

Now showing items 1-10 of 10

    • 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, ...

    • Discovery of a new soft gamma repeater: SGR J0418+5729 

      van der Horst, A.J.; Connaughton, V.; Kouveliotou, C.; Gogus, E.; Kaneko, Y.; Wachter, S.; Briggs, M.S.; Granot, J. (2010)
      On 2009 June 5, the Gamma-ray Burst Monitor (GBM) onboard the Fermi Gamma-ray Space Telescope triggered on two short and relatively dim bursts with spectral properties similar to soft gamma repeater (SGR) bursts. Independent ...

    • An expanding radio nebula produced by a giant flare from the magnetar SGR 1806-20 

      Gaensler, B.M.; Kouveliotou, C.; Gelfand, J.D.; Taylor, G.B.; Eichler, D.; Wijers, R.A.M.J.; Granot, J.; Ramirez-Ruiz, E.; Lyubarsky, Y.E.; Hunstead, R.W.; Campbell-Wilson, D.; van der Horst, A.J.; McLaughlin, M.A.; Fender, R.P.; Garrett, M.A.; Newton-McGee, K.J.; Palmer, D.M.; Gehrels, N.; Woods, P.M. (2005)

    • 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, ...

    • 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)

    • 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 ...

    • The LOFAR Multifrequency Snapshot Sky Survey (MSSS) : I. Survey description and first results 

      Heald, G. H.; Pizzo, R. F.; Orrú, E.; Breton, R. P.; Carbone, D.; Ferrari, C.; Hardcastle, M.J.; Jurusik, W.; Macario, G.; Mulcahy, D.; Rafferty, D.; Asgekar, A.; Brentjens, M.; Fallows, R. A.; Frieswijk, W.; Toribio, M. C.; Adebahr, B.; Arts, M.; Bell, M. R.; Bonafede, A.; Bray, J.; Broderick, J.; Cantwell, T.; Carroll, P.; Cendes, Y.; Clarke, A. O.; Croston, J. H.; Daiboo, S.; De Gasperin, F.; Gregson, J.; Harwood, J.; Hassall, T.; Heesen, V.; Horneffer, A.; van der Horst, A.J.; Iacobelli, M.; Jelić, V.; Jones, D.; Kant, D.; Kokotanekov, G.; Martin, P.; McKean, J. P.; Morabito, L. K.; Nikiel-Wroczyński, B.; Offringa, A.; Pandey, V. N.; Pandey-Pommier, M.; Pietka, M.; Pratley, L.; Riseley, C.; Rowlinson, A.; Sabater, J.; Scaife, A. M. M.; Scheers, L. H. A.; Sendlinger, K.; Shulevski, A.; Sipior, M.; Sobey, C.; Stewart, A. J.; Stroe, A.; Swinbank, J.; Tasse, C.; Trüstedt, J.; Varenius, E.; Van Velzen, S.; Vilchez, N.; Van Weeren, R. J.; Wijnholds, S.; Williams, W. L.; de Bruyn, A. G.; Nijboer, R.; Wise, M.; Alexov, A.; Anderson, J.; Avruch, I. M.; Beck, R.; Bell, M. E.; Van Bemmel, I.; Bentum, M. J.; Bernardi, G.; Best, P.; Breitling, F.; Brouw, W. N.; Brüggen, M.; Butcher, H. R.; Ciardi, B.; Conway, J. E.; De Geus, E.; De Jong, A.; De Vos, M.; Deller, A.; Dettmar, R. J.; Duscha, S.; Eislöffel, J.; Engels, D.; Falcke, H.; Fender, R.; Garrett, M.A.; Grießmeier, J.; Gunst, A. W.; Hamaker, J. P.; Hessels, J. W. T.; Hoeft, M.; Hörandel, J.; Holties, H. A.; Intema, H.; Jackson, N. J.; Jütte, E.; Karastergiou, A.; Klijn, W. F. A.; Kondratiev, V. I.; Koopmans, L. V. E.; Kuniyoshi, M.; Kuper, G.; Law, C.; Van Leeuwen, J.; Loose, M.; Maat, P.; Markoff, S.; McFadden, R.; McKay-Bukowski, D.; Mevius, M.; Miller-Jones, J. C A; Morganti, R.; Munk, H.; Nelles, A.; Noordam, J. E.; Norden, M. J.; Paas, H.; Polatidis, A. G.; Reich, W.; Renting, A.; Röttgering, H.; Schoenmakers, A.; Schwarz, D.; Sluman, J.; Smirnov, O.; Stappers, B. W.; Steinmetz, M.; Tagger, M.; Tang, Y.; Ter Veen, S.; Thoudam, S.; Vermeulen, R.; Vocks, C.; Vogt, C.; Wijers, R.A.M.J.; Wucknitz, O.; Yatawatta, S.; Zarka, P. (2015-10-01)
      We present the Multifrequency Snapshot Sky Survey (MSSS), the first northern-sky Low Frequency Array (LOFAR) imaging survey. In this introductory paper, we first describe in detail the motivation and design of the survey. ...

    • Magnetar twists: Fermi/Gamma-Ray Burst Monitor detection of SGR J1550-5418 

      Kaneko, Y.; Gogus, E.; Kouveliotou, C.; Granot, J.; Ramirez-Ruiz, E.; van der Horst, A.J.; Watts, A.L.; Finger, M.H.; Gehrels, N.; Pe'er, A.; van der Klis, M.; von Kienlin, A.; Wachter, S.; Wilson-Hodge, C.A.; Woods, P.M. (2010)
      SGR J1550-5418 (previously known as AXP 1E 1547.0-5408 or PSR J1550-5418) went into three active bursting episodes in 2008 October and in 2009 January and March, emitting hundreds of typical soft gamma repeater bursts in ...

    • A mildly relativistic radio jet from the otherwise normal type Ic supernova 2007gr 

      Paragi, Z.; Taylor, G.B.; Kouveliotou, C.; Granot, J.; Ramirez-Ruiz, E.; Bietenholz, M.; van der Horst, A.J.; Pidopryhora, Y.; van Langevelde, H.J.; Garrett, M.A.; Szomoru, A.; Argo, M.K.; Bourke, S.; Paczynski, B. (2010)
      Type Ic supernovae have drawn attention since 1998 owing to their sparse association with long duration γ-ray bursts (GRBs). Although the GRB central engine generates ultra-relativistic jets, no relativistic outflows have ...