Browsing University of Hertfordshire by Author "Thompson, Mark"

Now showing items 21-36 of 36

    • Herschel-ATLAS: first data release of the Science Demonstration Phase source catalogues 

      Rigby, E. E.; Maddox, S. J.; Dunne, L.; Negrello, M.; Smith, Daniel; Gonzalez-Nuevo, J.; Herranz, D.; Lopez-Caniego, M.; Auld, R.; Buttiglione, S.; Baes, M.; Cava, A.; Cooray, A.; Clements, D. L.; Dariush, A.; de Zotti, G.; Dye, S.; Eales, S.; Frayer, D.; Fritz, J.; Hopwood, R.; Ibar, E.; Ivison, R.J.; Jarvis, M.J.; Panuzzo, P.; Pascale, E.; Pohlen, M.; Rodighiero, G.; Serjeant, S.; Temi, P.; Thompson, Mark (2011-08)
      The Herschel Astrophysical Terahertz LargeArea Survey (Herschel-ATLAS) is a survey of 550 deg(2) with the Herschel Space Observatory in five far-infrared and submillimetre bands. The first data for the survey, observations ...

    • Herschel-ATLAS: the far-infrared-radio correlation at z <0.5 

      Jarvis, M.J.; Smith, Daniel; Bonfield, David G.; Hardcastle, M.J.; Falder, J. T.; Stevens, Jason; Ivison, R.J.; Auld, R.; Baes, M.; Baldry, I.K.; Bamford, S. P.; Bourne, N.; Buttiglione, S.; Cava, A.; Cooray, A.; Dariush, A.; de Zotti, G.; Dunlop, J. S.; Dunne, L.; Dye, S.; Eales, S.; Fritz, J.; Hill, D. T.; Hopwood, R.; Hughes, D.H.; Ibar, E.; Jones, D. H.; Kelvin, L.; Lawrence, A.; Leeuw, L.; Loveday, J.; Maddox, S. J.; Michalowski, M. J.; Negrello, M.; Norberg, P.; Pohlen, M.; Prescott, M.; Rigby, E. E.; Robotham, A.; Rodighiero, G.; Scott, D.; Sharp, R.; Temi, P.; Thompson, Mark; van der Werf, P.; van Kampen, E.; Vlahakis, C.; White, G. (2010)
      We use data from the Herschel-ATLAS to investigate the evolution of the far-infrared–radio correlation over the redshift range 0 < z < 0.5. Using the total far-infrared luminosity of all >5σ sources in the Herschel-ATLAS ...

    • The HO Southern Galactic Plane Survey (HOPS) - I. Techniques and HO maser data 

      Walsh, A.J.; White, G.L.; Breen, S.L.; Britton, T.; Brooks, K.J.; Green, J.A.; Harvey-Smith, L.; Hindson, L.; Indermuehle, B.; Jones, P.A.; Lowe, V.; Phillips, C.J.; Urquhart, J.S.; Voronkov, M.A.; Whiting, M.T.; Burton, M.G.; Cunningham, M.R.; Lowe, V.; Hindson, L.; Thompson, Mark; Hoare, M.G.; Purcell, C.R.; Jones, P.A.; Longmore, S.N.; Lo, N. (2011-09-01)
      We present first results of the HO Southern Galactic Plane Survey (HOPS), using the Mopra Radio Telescope with a broad-band backend and a beam size of about 2 arcmin. We have observed 100 deg of the southern Galactic plane ...

    • The infrared properties of sources matched in the WISE all-sky and Herschel ATLAS surveys 

      Bond, Nicholas A.; Benford, Dominic J.; Gardner, Jonathan P.; Amblard, Alexandre; Fleuren, Simone; Blain, Andrew W.; Dunne, Loretta; Smith, Daniel; Maddox, Steve J.; Hoyos, Carlos; Baes, Maarten; Bonfield, David; Bourne, Nathan; Bridge, Carrie; Buttiglione, Sara; Cava, Antonio; Clements, David; Cooray, Asantha; Dariush, Ali; de Zotti, Gianfranco; Driver, Simon; Dye, Simon; Eales, Steve; Eisenhardt, Peter; Hopwood, Rosalind; Ibar, Edo; Ivison, Rob J.; Jarvis, M.J.; Kelvin, Lee; Robotham, Aaron S. G.; Temi, Pasquale; Thompson, Mark; Tsai, Chao-Wei; van der Werf, Paul; Wright, Edward L.; Wu, Jingwen; Yan, Lin (2012-05-01)
      We describe the infrared properties of sources detected over similar to 36 deg(2) of sky in the GAMA 15 hr equatorial field, using data from both the Herschel Astrophysical Terahertz Large-Area Survey (H-ATLAS) and Wide-field ...

    • Magnetic fields in the infrared dark cloud G34.43+0.24 

      Soam, Archana; Liu, Tie; Andersson, B-G; Lee, Chang Won; Liu, Junhao; Juvela, Mika; Li, Pak Shing; Goldsmith, Paul F.; Zhang, Qizhou; Koch, Patrick M.; Kim, Kee-Tae; Qiu, Keping; Neal, J. Evans II; collaborations, SCOPE; Thompson, Mark (2019-09-24)
      We present the B-fields mapped in IRDC G34.43+0.24 using 850\,$\mu$m polarized dust emission observed with the POL-2 instrument at JCMT. We examine the magnetic field geometries and strengths in the northern, central, and ...

    • Massive outflows associated with ATLASGAL clumps 

      Yang, Aiyuan; Thompson, Mark; Urquhart, James; Tian, Wenwu (2018-03-01)
      We have undertaken the largest survey for outflows within the Galactic plane using simultaneously observed 13COand C18O data. Out of a total of 919 ATLASGAL clumps, 325 have data suitable to identify outflows, and 225(69% ...

    • Methanol maser associated outflows : detection statistics and properties 

      De Villiers, H.M; Chrysostomou, A.; Thompson, Mark; Burton, Michael (2014-10-11)
      We have selected the positions of 54 6.7 GHz methanol masers from the Methanol Multibeam Survey catalogue, covering a range of longitudes between 20° and 34° of the Galactic plane. These positions were mapped in the J = ...

    • Multiple stellar generations in massive star forming complexes 

      Clark, J.S.; Davies, B.; Thompson, Mark (2011-01-01)
      The formation of massive stars is an outstanding problem in stellar evolution. However, it is expected that they are (predominantly) born in heirarchical environments within massive young clusters, which in turn are located ...

    • 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 ...

    • A population of hypercompact HII regions identified from young HII regions 

      Yang, Aiyuan; Urquhart, James; Thompson, Mark; Menten, Karl; Wyrowski, Friedrich; Brunthaler, Andreas; Tian, Wenwu; Rugel, Michael; Yang, Xiaolong; Yao, Su; Mutale, Mubela (2021-01-22)
      Context. The derived physical parameters for young H II regions are normally determined assuming the emission region to be optically thin. However, this assumption is unlikely to hold for young H II regions such as ...

    • The RMS survey : Galactic distribution of massive star formation 

      Urquhart, J.S.; Figura, C.C.; Moore, T. J. T.; Hoare, M.G.; Lumsden, S. L.; Mottram, J.C.; Thompson, Mark; Oudmaijer, R.D. (2013-11)
      We have used the well-selected sample of~1750 embedded, young, massive stars identified by the Red MSX Source (RMS) survey to investigate the Galactic distribution of recent massive star formation. We present molecular ...

    • The statistics of triggered star formation : an overdensity of massive young stellar objects around Spitzer bubbles 

      Thompson, Mark; Urquhart, J.S.; Moore, T.J.T.; Morgan, L.K. (2012-03-01)
      We present a detailed statistical study of massive star formation in the environment of 322 Spitzer mid-infrared bubbles by using the Red MSX Source (RMS) survey for massive young stellar objects (YSOs). Using a combination ...

    • Tomography of Galactic star-forming regions and spiral arms with the Square Kilometer Array 

      Loinard, Laurent; Thompson, Mark; Hoare, Melvin; Langevelde, Huib Jan van; Ellingsen, Simon; Brunthaler, Andreas; Forbrich, Jan; Rygl, Kazi L. J.; Rodriguez, Luis F.; Mioduszewski, Amy J.; Torres-Lopez, Rosa M.; Dzib, Sergio A.; Ortiz-Leon, Gisela N.; Bourke, Tyler L.; Green, James A. (Proceedings of Science (PoS), 2014-12-19)
      Very Long Baseline Interferometry (VLBI) at radio wavelengths can provide astrometry accurate to 10 micro-arcseconds or better (i.e. better than the target GAIA accuracy) without being limited by dust obscuration. This ...

    • The TOP-SCOPE survey of Planck Galactic Cold Clumps : Survey overview and results of an exemplar source, PGCC G26.53+0.17 

      Liu, Tie; Kim, Kee-Tae; Juvela, Mika; Wang, Ke; Tatematsu, Ken'ichi; Francesco, James Di; Liu, Sheng-Yuan; Wu, Yuefang; Thompson, Mark; Fuller, Gary; Eden, David; Li, Di; Ristorcelli, I.; collaborations, TOP-SCOPE (2018-02-01)
      The low dust temperatures (<14 K) of Planck Galactic cold clumps (PGCCs) make them ideal targets to probe the initial conditions and very early phase of star formation. "TOP-SCOPE" is a joint survey program targeting ∼2000 ...

    • VISTA Variables in the Via Lactea (VVV) : The public ESO near-IR variability survey of the Milky Way 

      Minniti, D.; Lucas, P.W.; Emerson, J.P.; Saito, R.K.; Hempel, M.; Pietrukowicz, P.; Ahumada, A.V.; Alonso, M.V.; Alonso-Garcia, J.; Arias, J.I.; Bandyopadhyay, R.M.; Barba, R.; Barbuy, B.; Bedin, L.R.; Bica, E.; Borissova, J.; Bronfman, L.; Carraro, G.; Catelan, M.; Claria, J. J.; Cross, N.; de Grijs, R.; Dekany, I.; Drew, J.E.; Farina, C.; Feinstein, C.; Fernandez Lajus, E.; Gamen, R.C.; Geisler, D.; Gieren, W.; Goldman, B.; Gonzalez, O. A.; Gunthardt, G.; Gurovich, S.; Hambly, N.C.; Irwin, M.J.; Ivanov, V.D.; Jordan, A.; Kerins, E.; Kinemuchi, K.; Kurtev, R.; Lopez-Corredoira, M.; Maccarone, T.; Masetti, N.; Merlo, D.; Messineo, M.; Mirabel, I.F.; Monaco, L.; Morelli, L.; Padilla, N.; Palma, T.; Parisi, M.C.; Pignata, G.; Rejkuba, M.; Roman-Lopes, A.; Sale, S. E.; Schreiber, M. R.; Schroder, A.C.; Smith, M.; Sodre Jr, L.; Soto, M.; Tamura, M.; Tappert, C.; Thompson, Mark; Toledo, I.; Zoccali, M.; Pietrzynski, G. (2010)
      We describe the public ESO near-IR variability survey (VVV) scanning the Milky Way bulge and an adjacent section of the mid-plane where star formation activity is high. The survey will take 1929 h of observations with the ...

    • VVV DR1: The first data release of the Milky Way bulge and southern plane from the near-infrared ESO public survey VISTA variables in the Vía Láctea 

      Saito, R.K.; Hempel, M.; Minniti, D.; Lucas, P.W.; Rejkuba, M.; Toledo, I.; Gonzalez, O. A.; Alonso-García, J.; Irwin, M.J.; Gonzalez-Solares, E.; Hodgkin, S.T.; Lewis, J.R.; Cross, N.; Ivanov, V.D.; Kerins, E.; Emerson, J.P.; Soto, M.; Amôres, E.B.; Gurovich, S.; Dékány, I.; Angeloni, R.; Beamin, J.C.; Catelan, M.; Padilla, N.; Zoccali, M.; Pietrukowicz, P.; Moni Bidin, C.; Mauro, F.; Geisler, D.; Folkes, S.L.; Sale, S.E.; Borissova, J.; Kurtev, R.; Ahumada, A.V.; Alonso, M.V.; Adamson, A.; Arias, J.I.; Bandyopadhyay, R.M.; Barbá, R.H.; Barbuy, B.; Baume, G. L.; Bedin, L.R.; Bellini, A.; Benjamin, R.; Bica, E.; Bonatto, C.; Bronfman, L.; Carraro, G.; Chenè, A.N.; Clariá, J.J.; Clarke, J.R.A.; Contreras, C.; Corvillón, A.; de Grijs, R.; Dias, B.; Drew, J.E.; Fariña, C.; Feinstein, C.; Fernández-Lajús, E.; Gamen, R.C.; Gieren, W.; Goldman, B.; González-Fernández, C.; Grand, R. J. J.; Gunthardt, G.; Hambly, N.C.; Hanson, M. M.; Helminiak, K.G.; Hoare, M.G.; Huckvale, L.; Jordán, A.; Kinemuchi, K.; Longmore, A.; López-Corredoira, M.; Maccarone, T.; Majaess, D.; Martín, E.L.; Masetti, N.; Mennickent, R.E.; Mirabel, I.F.; Monaco, L.; Morelli, L.; Motta, V.; Palma, T.; Parisi, M.C.; Parker, Q.; Peñaloza, F.; Pietrzyski, G.; Pignata, G.; Popescu, B.; Read, M. A.; Rojas, A.; Roman-Lopes, A.; Ruiz, M.T.; Saviane, I.; Schreiber, M. R.; Schröder, A. C.; Sharma, S.; Smith, M.D.; Sodré, L.; Stead, J.; Stephens, A. W.; Tamura, M.; Tappert, C.; Thompson, Mark; Valenti, E.; Vanzi, L.; Walton, N.A.; Weidmann, W.; Zijlstra, A. (2012)
      Context. The ESO public survey VISTA variables in the Vía Láctea (VVV) started in 2010. VVV targets 562 sq. deg in the Galactic bulge and an adjacent plane region and is expected to run for about five years. Aims. We ...