Now showing items 1-20 of 31

    • 6.7-GHz methanol maser associated outflows : an evolutionary sequence 

      De Villiers, Helena Maria; Chrysostomou, A.; Thompson, M.A.; Urquhart, J.S.; Breen, S.L.; Burton, M.G.; Ellingsen, S.P.; Fuller, G.A.; Pestalozzi, Michele; Voronkov, M. A.; Ward-Thompson, D. (2015-05-01)
      We present a continuing study of a sample 44 molecular outflows, observed in 13CO lines, closely associated with 6.7-GHz methanol masers, hence called methanol maser associated outflows (MMAOs). We compare MMAO properties ...
    • The almost ubiquitous association of 6.7-GHz methanol masers with dust 

      Urquhart, J.S.; Moore, T. J. T.; Menten, K. M.; Koenig, C.; Wyrowski, F.; Thompson, M.A.; Csengeri, T.; Leurini, S.; Eden, D.J. (2015-02)
      We report the results of 870-μm continuum observations, using the Large APEX Bolometer Camera, towards 77 class-II, 6.7-GHz methanol masers identified by the Methanol MultiBeam (MMB) survey to map the thermal emission from ...
    • Ammonia observations of bright-rimmed clouds : establishing a sample of triggered protostars 

      Morgan, L.K.; Figura, C.C.; Urquhart, J.S.; Thompson, M.A. (2010)
      We observed 42 molecular condensations within previously identified bright-rimmed clouds in the ammonia rotational inversion lines NH3(1,1), (2,2), (3,3) and (4,4) using the Green Bank Telescope in Green Bank, West Virginia. ...
    • ATLASGAL - environments of 6.7 GHz methanol masers 

      Urquhart, J.S.; Moore, T.J.T.; Schuller, F.; Wyrowski, F.; Menten, K. M.; Thompson, M. A.; Csengeri, T.; Walmsley, C.M.; Bronfman, L.; König, C. (2013-05-01)
      Using the 870 micron APEX Telescope large area survey of the Galaxy, we have identified 577 submillimetre continuum sources with masers from the methanol multibeam survey in the region 280deg lt ell lt 20deg; |b| lt 1deg.5 ...
    • ATLASGAL - properties of a complete sample of Galactic clumps 

      Urquhart, J.S.; Koenig, C.; Giannetti, A.; Leurini, S.; Moore, T. J. T.; Eden, D.~J.; Pillai, T.; Thompson, M. A.; Braiding, C.; Burton, M. G.; Csengeri, T.; Dempsey, J. T.; Figura, C.C.; Froebrich, D.; Menten, K.~M.; Schuller, F.; Smith, M. D.; Wyrowski, F. (2018-01-01)
      The APEX Telescope Large Area Survey of the Galaxy (ATLASGAL) is an unbiased 870 μm submillimetre survey of the inner Galactic plane (|ℓ| < 60° with |b| < 1.°5). It is the largest and most sensitive ground-based submillimetre ...
    • ATLASGAL - towards a complete sample of massive star forming clumps 

      Urquhart, J.S.; Moore, T. J. T.; Csengeri, T.; Wyrowski, F.; Schuller, F.; Hoare, M.G.; Lumsden, S. L.; Mottram, J. C.; Thompson, M.A.; Menten, K. M.; Walmsley, C.M.; Bronfman, L.; Pfalzner, S.; König, C.; Wienen, M. (2014-09-11)
      By matching infrared-selected, massive young stellar objects (MYSOs) and compact HII regions in the Red MSX Source survey to massive clumps found in the submillimetre ATLASGAL (APEX Telescope Large Area Survey of the Galaxy) ...
    • CHIMPS: the 13CO/C18O (J = 3 to 2) Heterodyne Inner Milky Way Plane Survey 

      Rigby, A.J.; Moore, T.J.T.; Plume, R.; Eden, D.J.; Urquhart, J.S.; Thompson, M.A.; Mottram, J.C.; Brunt, C.M.; Butner, H. M.; Dempsey, J. T.; Gibson, S.J.; Hatchell, J.; Jenness, T.; Kuno, N.; Longmore, S.N.; Morgan, L.K.; Polychroni, D.; Thomas, H.; White, G.J.; Zhu, M. (2016-03-01)
      We present the 13CO/C18O (J = 3 → 2) Heterodyne Inner Milky Way Plane Survey (CHIMPS) which has been carried out using the Heterodyne Array Receiver Program on the 15 m James Clerk Maxwell Telescope (JCMT) in Hawaii. The ...
    • CO observations towards bright-rimmed clouds 

      Morgan, L.K.; Urquhart, J.S.; Thompson, M.A. (2009)
      Bright-rimmed clouds (BRCs) appear to be sites of triggered star formation induced through the propagation of shocks initiated by the expansion of nearby H ii regions. Our main aim is to establish support for observations ...
    • A Compact Array imaging survey of southern bright-rimmed clouds 

      Thompson, M.A.; Urquhart, J.S.; White, G.J. (2004)
    • The Coordinated Radio and Infrared Survey for High-Mass Star Formation (The CORNISH Survey). I : Survey Design 

      Hoare, M.G.; Purcell, C.R.; Churchwell, E.B.; Diamond, P.; Cotton, W.D.; Chandler, C.J.; Smethurst, S.; Kurtz, S.E.; Mundy, L.G.; Dougherty, S.M.; Fender, R.P.; Fuller, G.A.; Jackson, J.M.; Garrington, S.T.; Gledhill, T.; Goldsmith, P.F.; Lumsden, S.L.; Martí, J.; Moore, T.J.T.; Muxlow, T.W.B.; Oudmaijer, R.D.; Pandian, J.D.; Paredes, J.M.; Shepherd, D.S.; Spencer, R.E.; Thompson, M.A.; Umana, G.; Urquhart, J.S.; Zijlstra, A.A. (2012-09-01)
      We describe the motivation, design, and implementation of the CORNISH survey, an arcsecond-resolution radio continuum survey of the inner galactic plane at 5 GHz using the Very Large Array (VLA). It is a blind survey ...
    • The Coordinated Radio and Infrared Survey for High-mass Star Formation II : Source Catalog 

      Purcell, C.R.; Hoare, M.G.; Cotton, W.D.; Lumsden, S. L.; Urquhart, J.S.; Chandler, C.; Churchwell, E.B.; Diamond, P.; Dougherty, S.M.; Fender, R.P.; Fuller, G.; Garrington, S.T.; Gledhill, T.; Goldsmith, P.F.; Hindson, L.; Jackson, J.M.; Kurtz, S.E.; Martí, J.; Moore, T.J.T.; Mundy, L.G.; Muxlow, T.W.B.; Oudmaijer, R.D.; Pandian, J.D.; Paredes, J.M.; Shepherd, D.S.; Smethurst, S.; Spencer, R.E.; Thompson, M.A.; Umana, G.; Zijlstra, A.A. (2013-03-01)
      The CORNISH project is the highest resolution radio continuum survey of the Galactic plane to date. It is the 5 GHz radio continuum part of a series of multi-wavelength surveys that focus on the northern GLIMPSE region ...
    • The effect of spiral arms on star formation in the Galaxy 

      Moore, T.J.T.; Urquhart, J.S.; Morgan, L.K.; Thompson, M.A. (2012-10-11)
    • The G305 star-forming complex : a wide-area radio survey of ultracompact H ii regions 

      Hindson, Luke; Thompson, M. A.; Urquhart, J.S.; Faimali, A.; Clark, J. S.; Davies, B. (2012-04)
      We present wide-area radio continuum 5.5 and 8.8 GHz (5.5 and 3.4 cm) Australia Telescope Compact Array observations of the complex and rich massive star-forming region G305. The aim of this study is to perform an un-targeted ...
    • The G305 star-forming complex : embedded massive star formation discovered by Herschel Hi-GAL 

      Faimali, A.; Thompson, M.A.; Hindson, Luke; Urquhart, J.S.; Pestalozzi, M.; Carey, S.; Shenoy, S.; Veneziani, M.; Molinari, S.; Clark, J.S. (2012-10-11)
    • The G305 star-forming complex : radio continuum and molecular line observations 

      Hindson, Luke; Thompson, Mark; Urquhart, J.S.; Faimali, Alessandro; Johnston-Hollitt, M.; Clark, J. S.; Davies, B. (2013-11-01)
      We present 109–115 GHz (3 mm) wide-field spectral line observations of 12CO, 13CO and C18O J = 1–0 molecular emission and 5.5 and 8.8 GHz (6 and 3 cm) radio continuum emission towards the high-mass star-forming complex ...
    • The G305 star-forming complex : the central star clusters Danks 1 and Danks 2 

      Davies, B.; Clark, J.S.; Trombley, C.; Figer, D. F.; Najarro, F.; Crowther, P.A.; Kudritzki, R.P.; Thompson, M.; Urquhart, J.S.; Hindson, Luke (2012)
      The G305 H ii complex (G305.4+0.1) is one of the most massive star-forming structures yet identified within the Galaxy. It is host to many massive stars at all stages of formation and evolution, from embedded molecular ...
    • The G305 star-forming complex : wide-area molecular mapping of NH3 and H2O masers 

      Hindson, Luke; Thompson, M.A.; Urquhart, J.S.; Clark, J.S.; Davies, B. (2010)
      We present wide-area radio (12 mm) Mopra telescope observations of the complex and rich massive star-forming region G305. Our goals are to determine the reservoir for star formation within G305 using NH3 to trace the dense ...
    • H2O Southern Galactic Plane Survey (HOPS) : Paper III - Properties of Dense Molecular Gas across the Inner Milky Way 

      Longmore, S.~N.; Walsh, A.J.; Purcell, C.R.; Burke, D. J.; Henshaw, J.~D.; Walker, D.; Urquhart, J.S.; Barnes, A. T.; Whiting, M.; Burton, M. G.; Breen, S.L.; Britton, T.; Brooks, K.J.; Cunningham, Maria R.; Green, J. A.; Harvey-Smith, L.; Hindson, L.; Hoare, M.G.; Indermuehle, B.; Jones, P. A.; Tsiolas, N.; Lowe, V.; Moore, T. J. T.; Thompson, M. A.; Voronkov, M. A. (2017-09-01)
      The H2O Southern Galactic Plane Survey (HOPS) has mapped 100 square degrees of the Galactic plane for water masers and thermal molecular line emission using the 22-m Mopra telescope. We describe the automated spectral-line ...
    • The H2O Southern Galactic Plane Survey : NH3 (1,1) and (2,2) catalogues 

      Purcell, C.R.; Longmore, S.N.; Walsh, A.J.; Whiting, M.T.; Breen, S.L.; Britton, T.; Brooks, K.J.; Burton, M.G.; Cunningham, M.R.; Green, J.A.; Harvey-Smith, L.; Hindson, L.; Hoare, M.G.; Indermuehle, B.; Jones, P.A.; Lo, N.; Lowe, V.; Phillips, C.J.; Thompson, M.A.; Urquhart, J.S.; Voronkov, M.A.; White, G.L. (2012-11-01)
    • High-mass star formation within the bright-rimmed cloud SFO 79 

      Urquhart, J.S.; Thompson, M.A.; Morgan, L.K.; White, G.J. (2004)