Now showing items 21-35 of 35

    • Multiwavelength observations of the February 1996 high-energy flare in the blazar 3C 279 

      Wehrle, A. E.; Pian, E.; Urry, C.M.; Maraschi, L.; Ghisellini, G.; Hartman, R.C.; Madejski, G. M.; Makino, F.; Marscher, A.P.; McHardy, I.M.; Webb, J. R.; Aldering, G. S.; Aller, M. F.; Aller, H. D.; Backman, D.E.; Balonek, T.J.; Boltwood, P.; Bonnell, J.; Caplinger, J.; Celotti, A.; Collmar, W.; Dalton, J.; Drucker, A.; Falomo, R.; Fichtel, C.E.; Freudling, W.; Gear, W.K.; Gonzalez-Perez, N.; Hall, P.; Inoue, H.; Johnson, W. N.; Kidger, M. R.; Kollgaard, R. I.; Kondo, Y.; Kurfess, J.; Lawson, A.J.; McCollum, B.; McNaron-Brown, K.; Nair, D.; Penton, S.; Pesce, J. E.; Pohl, M.; Raiteri, C.M.; Renda, M.; Robson, E.I.; Sambruna, R.M.; Schirmer, A. F.; Shrader, C.; Sikora, M.; Sillanpää, A.; Smith, P.S.; Stevens, Jason; Stocke, J.; Takalo, L.O.; Teräsranta, H.; Thompson, D.J.; Thompson, R.; Tornikoski, M.; Tosti, G.; Turcotte, P.; Treves, A.; Unwin, S.C.; Valtaoja, E.; Villata, M.; Wagner, S.J.; Xu, W.; Zook, A. C. (American Institute of Physics (AIP), 1997-05-01)
      We report CGRO, RXTE, ASCA, ROSAT, IUE, HST and ground-based observations of a large flare in 3C 279 in February 1996. X-rays and γ-rays peaked simultaneously (within one day). We show simultaneous spectral energy distributions ...
    • Observations of flat-spectrum radio sources at λ850 μm from the James Clerk Maxwell Telescope II. April 2000 to June 2005 

      Jenness, T.; Robson, E.I.; Stevens, J. A. (2010)
      Calibrated data for 143 flat-spectrum extragalactic radio sources are presented at a wavelength of 850 μm covering a 5-yr period from 2000 April. The data, obtained at the James Clerk Maxwell Telescope using the Submillimetre ...
    • On the atmospheric limitations of ground-based submillimetre astronomy using array receivers 

      Archibald, E.N.; Jenness, T.; Holland, W.S.; Coulson, I.M.; Jessop, N.; Stevens, J. A.; Robson, E.I.; Tilanus, R.P.J.; Lightfoot, J.F. (2002-10)
      The calibration of ground-based submillimetre observations has always been a difficult process. We discuss how to overcome the limitations imposed by the submillimetre atmosphere. Novel ways to improve line-of-sight opacity ...
    • Polarimetric Observations of 15 Active Galactic Nuclei at High Frequencies: Jet Kinematics from Bimonthly Monitoring with the very Long Baseline Array 

      Marscher, A.P.; Jorstad, S.G.; Lister, M.; Stirling, A.M.; Cawthorne, T.V.; Gear, W.K.; Gomez, J-L.; Stevens, J. A.; Smith, P.S.; Forster, J.R.; Robson, E.I. (2005-10)
    • Quasars as probes of the submillimetre cosmos at z > 5 - I. Preliminary SCUBA photometry -- 

      Priddey, R.; Isaak, K.G.; McMahon, R.G.; Robson, E.I.; Pearson, C. (2003)
    • The SCUBA-2 Cosmology Legacy Survey : the submillimetre properties of Lyman-break galaxies at z = 3-5 

      Coppin, Kristen; Geach, J.E.; Almaini, O.; Arumugam, V.; Dunlop, James S.; Hartley, W.G.; Ivison, Rob J.; Simpson, C.J.; Smith, Daniel; Swinbank, A.M.; Blain, Andrew W.; Bourne, N.; Bremer, M.; Conselice, C.; Harrison, C. M.; Mortlock, A.; Chapman, S.C.; Davies, L.J.M.; Farrah, D.; Gibb, A.; Jenness, T.; Karim, A.; Knudsen, K.; Ibar, E.; Michalowski, M. J.; Peacock, J.A.; Rigopoulou, D.; Robson, E.I.; Scott, D.; Stevens, J.; van der Werf, P. (2015-01-11)
      We present detections at 850 μm of the Lyman-break galaxy (LBG) population at z ≈ 3, 4, and 5 using data from the Submillimetre Common User Bolometer Array 2 Cosmology Legacy Survey in the United Kingdom Infrared Deep Sky ...
    • The SCUBA-2 cosmology legacy survey : Ultraluminous star-forming galaxies in A z = 1.6 cluster 

      Smail, Ian; Geach, J. E.; Swinbank, A.M.; Tadaki, K.; Arumugam, V.; Hartley, W.; Almaini, O.; Bremer, M.N.; Chapin, E.; Chapman, S. C.; Danielson, A. L. R.; Edge, A. C.; Scott, D.; Simpson, C. J.; Simpson, J. M.; Conselice, C. J.; Dunlop, J. S.; Ivison, R. J.; Karim, A.; Kodama, T.; Mortlock, A.; Robson, E.I.; Roseboom, I.; Thomson, A. P.; Van Der Werf, P. P.; Webb, T. M. A. (2014-02-10)
      We analyze new SCUBA-2 submillimeter and archival SPIRE far-infrared imaging of a z = 1.62 cluster, Cl 0218.3-0510, which lies in the UKIRT Infrared Deep Sky Survey/Ultra-Deep Survey field of the SCUBA-2 Cosmology Legacy ...
    • The SCUBA-2 Cosmology Legacy Survey: blank-field number counts of 450-mu m-selected galaxies and their contribution to the cosmic infrared background 

      Geach, James E.; Chapin, E.L.; Coppin, Kristen; Dunlop, J. S.; Halpern, M.; Smail, Ian; van der Werf, P.; Serjeant, S.; Farrah, D.; Roseboom, I.; Targett, T.; Arumugam, V.; Asboth, V.; Blain, A.; Chrysostomou, A.; Clarke, C.; Ivison, R. J.; Jones, S. L.; Karim, A.; Mackenzie, T.; Meijerink, R.; Michalowski, M. J.; Scott, Douglas; Simpson, J. M.; Swinbank, A.M.; Alexander, D.M.; Almaini, O.; Aretxaga, I.; Best, P.; Chapman, S.; Clements, D. L.; Conselice, C.; Danielson, A. L. R.; Eales, S.; Edge, A.C.; Gibb, A. G.; Hughes, D.; Jenness, T.; Knudsen, K. K.; Lacey, C. G.; Marsden, G.; McMahon, R.; Oliver, S. J.; Page, M. J.; Peacock, J.A.; Rigopoulou, D.; Robson, E.I.; Spaans, M.; Stevens, J.; Webb, T. M. A.; Willott, C.; Wilson, C. D.; Zemcov, M. (2013-06)
      The first deep blank-field 450 mu m map (1 sigma approximate to 1.3 mJy) from the Submillimetre Common-User Bolometer Array-2 SCUBA-2 Cosmology Legacy Survey (S2CLS), conducted with the James Clerk Maxwell Telescope (JCMT) ...
    • SCUBA-2: the 10 000 pixel bolometer camera on the James Clerk Maxwell Telescope 

      Holland, W.S.; Bintley, D.; Chapin, E.L.; Chrysostomou, A.; Davis, G.R.; Dempsey, J. T.; Duncan, W.D.; Fich, M.; Friberg, P.; Halpern, M.; Irwin, K.D.; Jenness, T.; Kelly, B.D.; MacIntosh, M.J.; Robson, E.I.; Scott, Douglas; Ade, P.A.R.; Atad-Ettedgui, E.; Berry, D.S.; Craig, S.C.; Gao, X.; Gibb, Andy G.; Hilton, G.C.; Hollister, M.I.; Kycia, J.B.; Lunney, David; McGregor, H.; Montgomery, David; Parkes, W.; Tilanus, R.P.J.; Ullum, J.N.; Walther, C.A.; Walton, A.J.; Woodcraft, A.L.; Amiri, M.; Atkinson, D.; Burger, B.; Chuter, T.; Coulson, I.M.; Doriese, W.B.; Dunare, C.; Economou, F.; Niemack, M.D.; Parsons, H.A.L.; Reintsema, C.D.; Sibthorpe, B.; Smail, I.; Sudiwala, R.; Thomas, H.S. (2013-04)
      Submillimetre Common-User Bolometer Array 2 (SCUBA-2) is an innovative 10 000 pixel bolometer camera operating at submillimetre wavelengths on the James Clerk Maxwell Telescope (JCMT). The camera has the capability to carry ...
    • SCUBA: a common-user submillimetre camera operating on the James Clerk Maxwell Telescope 

      Holland, W.S.; Robson, E.I.; Gear, W.K.; Cunningham, C.; Lightfoot, J.F.; Jenness, T.; Ivison, R.J.; Stevens, J. A.; Ade, P.A.R.; Griffin, M.J.; Duncan, W.D.; Murphy, J.A.; Naylor, D.A. (1999)
      SCUBA, the Submillimetre Common-User Bolometer Array, built by the Royal Observatory Edinburgh for the James Clerk Maxwell Telescope, is the most versatile and powerful of a new generation of submillimetre cameras. It ...
    • A Submillimeter Galaxy Illuminating its Circumgalactic Medium : Ly-alpha Scattering in a Cold, Clumpy Outflow 

      Geach, J.E.; Bower, R. G.; Alexander, D.M.; Blain, A.W.; Bremer, M.N.; Chapin, E.L.; Chapman, S.C.; Clements, D. L.; Coppin, Kristen; Dunlop, J.S.; Farrah, D.; Jenness, T.; Koprowski, M.P.; Michalowski, M. J.; Robson, E.I.; Scott, D.; Smith, Daniel; Spaans, M.; Swinbank, A.M.; van der Werf, P. (2014-09-20)
      We report the detection at 850 μm of the central source in SSA22-LAB1, the archetypal "Lyman-α Blob" (LAB), a 100 kpc scale radio-quiet emission-line nebula at z = 3.1. The flux density of the source, S 850 = 4.6 ± 1.1 ...
    • A submillimetre imaging polarimeter at the James Clerk Maxwell Telescope 

      Greaves, J.S.; Holland, W.S.; Jenness, T.; Chrysostomou, A.; Berry, D.S.; Tamura, M.; Robson, E.I.; Ade, P.A.R.; Nartallo, R.; Stevens, J. A.; Morino, J.; Moriarty-Schieven, G.; Gannaway, F.; Haynes, C.V. (2003-04)
      A polarimeter has been built for use with the Submillimetre Common-User Bolometer Array (SCUBA), on the James Clerk Maxwell Telescope (JCMT) in Hawaii. SCUBA is the first of a new generation of highly sensitive submillimetre ...
    • Towards the automated reduction and calibration of SCUBA data from the James Clerk Maxwell Telescope 

      Jenness, T.; Stevens, J. A.; Archibald, E.N.; Economou, F.; Jessop, N.; Robson, E.I. (2002-10)
      The Submillimetre Common User Bolometer Array (SCUBA) instrument has been op- erating on the James Clerk Maxwell Telescope (JCMT) since 1997. The data archive is now sufficiently large that it can be used to investigate ...
    • Variability of the Centimeter-Submillimeter Spectrum and Polarization of 3C 273 during Outburst 

      Stevens, J. A.; Robson, E.I.; Gear, W.K.; Cawthorne, T.V.; Aller, M.; Aller, H.; Terasranta, H.; Wright, M.C.H. (1998)
      Centimeter to submillimeter total flux and polarization monitoring data are used to investigate the nature of a prominent flare in the quasar 3C 273 during 1995/6. After removal of the quiescent level, the resulting “flare ...