Browsing University of Hertfordshire by Author "Chrysostomou, A."

Now showing items 61-80 of 95

    • Near-infrared imaging polarimetry of young stellar objects in ρ Ophiuchi 

      Beckford, A.; Lucas, P.W.; Chrysostomou, A.; Gledhill, T. (2008)

    • Near-IR echelle spectroscopy of Class I protostars: Mapping Forbidden Emission-Line (FEL) regions in [FeII] 

      Davis, C.J.; Whelan, E.; Ray, T.P.; Chrysostomou, A. (2003)

    • A new era of wide-field submillimetre imaging : on-sky performance of SCUBA-2 

      Dempsey, J. T.; Holland, W. S.; Chrysostomou, A.; Berry, D.S.; Bintley, D.; Chapin, E.L.; Craig, S.C.; Coulson, I.M.; Davis, G.R.; Friberg, P.; Jenness, T.; Gibb, A.G.; Parsons, H.A.L.; Scott, D.; Thomas, H.S.; Tilanus, R.P.J.; Robson, I.; Walther, C.A. (SPIE, 2012-09)
      SCUBA-2 is the largest submillimetre wide-field bolometric camera ever built. This 43 square arc- minute field-of-view instrument operates at two wavelengths (850 and 450 microns) and has been installed on the James Clerk ...

    • A new imaging infrared polarimeter 

      Hough, J.; Chrysostomou, A.; Bailey, J. (1994)

    • On the Detection of Artifacts in Spectro-Astrometry 

      Brannigan, E.; Takami, M.; Bailey, J.; Chrysostomou, A. (2005)

    • Opportunities for Imaging and Spectro-Polarimetry at UKIRT 

      Davis, C.J.; Chrysostomou, A.; Hough, J. (Astronomical Society of the Pacific, 2005)
      Near-IR imaging and spectro-polarimetry are offered with the facility instruments UIST and UFTI. Both linear and circular polarimetry are possible, the former from 1-5¹m, the latter from 1-2.5¹m. The IRPOL polarimetry ...

    • The Parkes methanol multibeam survey 

      Cohen, R.J.; Caswell, J.L.; Brooks, K.; Burton, M.; Chrysostomou, A.; Cox, J.; Diamond, P.J.; Ellingsen, S.; Fuller, G.A.; Gray, M.D.; Green, J.A.; Hoare, M.G.; Masheder, M.R.W.; McClure-Griffiths, N.; Pestalozzi, M.; Phillips, C.; Thompson, M.A.; Voronkov, M.; Walsh, A.; Ward-Thompson, D.; Wong-McSweeney, D.; Yates, J.A. (2007)

    • The Physics of Shocked Outflows In Star Forming Molecular Clouds 

      Tedds, J.A.; Brand, P.W.J.L.; Burton, M.; Chrysostomou, A.; Fernandes, A.J.L. (Astronomical Society of the Pacific, 1994)
      Recent near-IR imaging of the Orion molecular cloud has revealed a complex of dense bullets, visible as [FeII] emitting HH-objects at the tips of H2 wakes, ejected explosively from the cloud core. Having resolved individual ...

    • A pilot study for the SCUBA-2 'All-Sky' Survey 

      Mackenzie, Todd; Braglia, Filiberto G.; Gibb, Andy G.; Scott, Douglas; Jenness, Tim; Serjeant, Stephen; Thompson, Mark; Berry, David; Brunt, Christopher M.; Chapin, Edward; Chrysostomou, A.; Clements, Dave; Coppin, Kristen; Economou, Frossie; Evans, A.; Friberg, Per; Greaves, Jane; Hill, T.; Holland, Wayne; Ivison, R. J.; Knapen, Johan H.; Jackson, Neal; Joncas, Gilles; Morgan, Larry; Mortier, Angela; Pearson, Chris; Pestalozzi, Michele; Pope, Alexandra; Richer, John; Urquhart, J. S.; Vaccari, Mattia; Weferling, Bernd; White, Glenn; Zhu, Ming (2011-08)
      We have carried out a pilot study for the Submillimetre Common-User Bolometer Array 2 (SCUBA-2) 'All-Sky' Survey (SASSy), a wide and shallow mapping project at 850 mu m, designed to find rare objects, both Galactic and ...

    • Polarimetry for the Gemini telescopes 

      Hough, J.; Aitken, D.; Chrysostomou, A. (1998)
      Polarimeters at optical and near-IR wavelengths are increasingly available as part of facility instruments at major observatories, and are used for a large number of astronomical programs, ranging form nearby star-forming ...

    • Polarimetry for the Gemini telescopes 

      Hough, J.; Aitken, D.; Chrysostomou, A. (Int Soc for Optical Engineering, 1998)
      Polarimeters at optical and near-IR wavelengths are increasingly available as part of facility instruments at major observatories, and are used for a large number of astronomical programs, ranging form nearby star-forming ...

    • Polarimetry of young stellar objects - III : Circular polarimetry of OMC-1 

      Chrysostomou, A.; Gledhill, T.M.; Ménard, F.; Hough, J.H.; Tamura, M.; Bailey, J. (2000-02-11)
      We present the first imaging circular polarimetry of the Orion Molecular Cloud, OMC-1. The observations, taken in the J, H, K and nbL bands, reveal a complex pattern of circular polarization. Globally, there is a background ...

    • SCOPE : SCUBA-2 Continuum Observations of Pre-protostellar Evolution - Survey Description and Compact Source Catalogue 

      SCOPE Collaboration; Eden, D. J.; Liu, Tie; Kim, Kee-Tae; Liu, S. -Y.; Tatematsu, K.; Francesco, J. Di; Wang, K.; Thompson, M. A.; Fuller, G. A.; Li, Di; Ristorcelli, I.; Kang, Sung-ju; Hirano, N.; Johnstone, D.; Lin, Y.; He, J. H.; Koch, P. M.; Sanhueza, Patricio; Qin, S. -L.; Zhang, Q.; Goldsmith, P. F.; N., J. Evans II; Yuan, J.; Zhang, C. -P.; White, G. J.; Choi, Minho; Lee, Chang Won; Toth, L. V.; Mairs, S.; Yi, H. -W.; Tang, M.; Soam, A.; Peretto, N.; Samal, M. R.; Fich, M.; Parsons, H.; Malinen, J.; Bendo, G. J.; Rivera-Ingraham, A.; Liu, H. -L.; Wouterloot, J.; Li, P. S.; Qian, L.; Rawlings, J.; Rawlings, M. G.; Feng, S.; Wang, B.; Li, Dalei; Liu, M.; Chrysostomou, A. (2019-05-01)
      We present the first release of the data and compact-source catalogue for the JCMT Large Program SCUBA-2 Continuum Observations of Pre-protostellar Evolution (SCOPE). SCOPE consists of 850 μm continuum observations of 1235 ...

    • The SCUBA-2 Ambitious Sky Survey: a catalogue of beam-sized sources in the Galactic longitude range 120deg-140deg 

      Nettke, W.; Scott, D.; Gibb, A. G.; Thompson, M.; Chrysostomou, A.; Evans, A.; Hill, T.; Jenness, T.; Joncas, G.; Moore, T.; Serjeant, S.; Urquhart, J.S.; Vaccari, M.; Weferling, B.; White, G.; Zhu, M. (2017-06-01)
      The SCUBA-2 Ambitious Sky Survey (SASSy) is composed of shallow 850-µm imaging using the Submillimetre Common-User Bolometer Array 2 (SCUBA-2) on the James Clerk Maxwell Telescope. Here we describe the extraction of a ...

    • The SCUBA-2 Cosmology Legacy Survey : 850um maps, catalogues and number counts 

      Geach, J. E.; Dunlop, J. S.; Halpern, M.; Smail, Ian; Werf, P. van der; Alexander, D. M.; Almaini, O.; Aretxaga, I.; Arumugam, V.; Asboth, V.; Banerji, M.; Beanlands, J.; Best, P. N.; Blain, A. W.; Birkinshaw, M.; Chapin, E. L.; Chapman, S. C.; Chen, C.-C.; Chrysostomou, A.; Clarke, C.; Clements, D. L.; Conselice, C.; Coppin, K. E. K.; Cowley, W. I.; Danielson, A. L. R.; Eales, S.; Edge, A. C.; Farrah, D.; Gibb, A.; Harrison, C. M.; Hine, N. K.; Hughes, D.; Ivison, R. J.; Jarvis, M.; Jenness, T.; Jones, S. F.; Karim, A.; Koprowski, M.; Knudsen, K. K.; Lacey, C. G.; Mackenzie, T.; Marsden, G.; McAlpine, K.; McMahon, R.; Meijerink, R.; Michalowski, M. J.; Oliver, S. J.; Page, M. J.; Peacock, J. A.; Rigopoulou, D.; Robson, E. I.; Roseboom, I.; Rotermund, K.; Scott, Douglas; Serjeant, S.; Simpson, C.; Simpson, J. M.; Smith, D. J. B.; Spaans, M.; Stanley, F.; Stevens, J. A.; Swinbank, A. M.; Targett, T.; Thomson, A. P.; Valiante, E.; Webb, T. M. A.; Willott, C.; Zavala, J. A.; Zemcov, M. (2016-11-10)
      We present a catalogue of nearly 3,000 submillimetre sources detected at 850um over ~5 square degrees surveyed as part of the James Clerk Maxwell Telescope (JCMT) SCUBA-2 Cosmology Legacy Survey (S2CLS). This is the largest ...

    • The SCUBA-2 cosmology legacy survey : Demographics of the 450-μm population 

      Roseboom, I.G.; Dunlop, J.S.; Cirasuolo, M.; Geach, J.E.; Smail, I.; Halpern, M.; van der Werf, P.; Almaini, O.; Arumugam, V.; Asboth, V.; Auld, R.; Blain, A.; Bremer, M.N.; Bock, J.; Bowler, R.A.A.; Buitrago, F.; Chapin, E.; Chapman, S.; Chrysostomou, A.; Clarke, C.; Conley, A.; Coppin, Kristen; Danielson, A. L. R.; Farrah, D.; Glenn, J.; Hatziminaoglou, E.; Ibar, E.; Ivison, R.J.; Jenness, T.; van Kampen, E.; Karim, A.; Mackenzie, T.; Marsden, G.; Meijerink, R.; Michałowski, M. J.; Oliver, S.J.; Page, M.J.; Pearson, E.; Scott, D.; Simpson, J.M.; Smith, Daniel; Spaans, M.; Swinbank, A.M.; Symeonidis, M.; Targett, T.; Valiante, E.; Viero, M.; Wang, L.; Willott, C.J.; Zemcov, M. (2013-11-01)
      We investigate the multiwavelength properties of a sample of 450-μm-selected sources from the SCUBA-2 Cosmology Legacy Survey. A total of 69 sources were identified above 4σ in deep SCUBA-2 450-μm observations overlapping ...

    • 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 ...

    • Searching for jet rotation in Class 0/I sources observed with GEMINI/GNIRS 

      Coffey, D.; Bacciotti, F.; Chrysostomou, A.; Nisini, B.; Davis, C. (2011-02-01)
      In recent years, there has been a number of detections of gradients in the radial velocity profile across jets from young stars. The significance of these results is considerable. They may be interpreted as a signature of ...

    • Searching for jet rotation in Class 0/I sources observed with GEMINI/GNIRS. 

      Coffey, D.; Bacciotti, F.; Chrysostomou, A.; Nisini, B.; Davis, C.J. (EDP Sciences, 2011)
      Context: In recent years, there has been a number of detections of gradients in the radial velocity profile across jets from young stars. The significance of these results is considerable. They may be interpreted as a ...