Browsing by Author "Urquhart, J. S."

Now showing items 1-10 of 10

    • ATLASGAL -- physical parameters of dust clumps associated with 6.7 GHz methanol masers 

      Billington, S. J.; Urquhart, J. S.; Konig, C.; Moore, T. J. T.; Eden, D. J.; Breen, S. L.; Kim, W. -J.; Thompson, M. A.; Ellingsen, S. P.; Menten, K. M.; Wyrowski, F.; Leurini, S. (2019-12-01)
      We have constructed the largest sample of dust-associated class II 6.7 GHz methanol masers yet obtained. New measurements from the the Methanol MultiBeam (MMB) Survey were combined with the 870 $\mu$m APEX Telescope Large ...

    • ATLASGAL -- Relationship between dense star forming clumps and interstellar masers 

      Billington, S. J.; Urquhart, J. S.; König, C.; Beuther, H.; Breen, S. L.; Menten, K. M.; Campbell-White, J.; Ellingsen, S. P.; Thompson, M. A.; Moore, T. J. T.; Eden, D. J.; Kim, W. -J.; Leurini, S. (2020-09-29)
      We have used catalogues from several Galactic plane surveys and dedicated observations to investigate the relationship between various maser species and Galactic star forming clumps, as identified by the ATLASGAL survey. ...

    • ATLASGAL --- Molecular fingerprints of a sample of massive star forming clumps 

      Urquhart, J. S.; Figura, C.; Wyrowski, F.; Giannetti, A.; Kim, W. -J.; Wienen, M.; Leurini, S.; Pillai, T.; Csengeri, T.; Gibson, S. J.; Menten, K.; Moore, T. J. T.; Thompson, M. A. (2019-04-21)
      We have conducted a 3-mm molecular-line survey towards 570 high-mass star-forming clumps, using the Mopra telescope. The sample is selected from the 10 000 clumps identified by the ATLASGAL (APEX Telescope Large Area Survey ...

    • The Australia Telescope Compact Array Broad-band Backend: description and first results 

      Wilson, Warwick E.; Ferris, R. H.; Axtens, P.; Brown, A.; Davis, E.; Hampson, G.; Leach, M.; Roberts, P.; Saunders, S.; Koribalski, B. S.; Caswell, J. L.; Lenc, E.; Stevens, J.; Voronkov, M. A.; Wieringa, M. H.; Brooks, K.; Edwards, P. G.; Ekers, R. D.; Emonts, B.; Hindson, L.; Johnston, S.; Maddison, S. T.; Mahony, E. K.; Malu, S. S.; Massardi, M.; Mao, M. Y.; McConnell, D.; Norris, R. P.; Schnitzeler, D.; Subrahmanyan, R.; Urquhart, J. S.; Thompson, Mark; Wark, R. M. (2011-09)
      Here, we describe the Compact Array Broad-band Backend (CABB) and present first results obtained with the upgraded Australia Telescope Compact Array (ATCA). The 16-fold increase in observing bandwidth, from 2 x 128 to 2 x ...

    • Characteristic scale of star formation. I. Clump formation efficiency on local scales 

      Eden, D. J.; Moore, T. J. T.; Plume, R.; Rigby, A. J.; Urquhart, J. S.; Marsh, K. A.; Peñaloza, C. H.; Clark, P. C.; Smith, M. W. L.; Tahani, K.; Ragan, S. E.; Thompson, M. A.; Johnstone, D.; Parsons, H.; Rani, R. (2020-10-16)
      We have used the ratio of column densities (CDR) derived independently from the 850-$\mu$m continuum JCMT Plane Survey (JPS) and the $^{13}$CO/C$^{18}$O $(J=3-2)$ Heterodyne Inner Milky Way Plane Survey (CHIMPS) to produce ...

    • CHIMPS2 : Survey description and $^{12}$CO emission in the Galactic Centre 

      Eden, D. J.; Moore, T. J. T.; Currie, M. J.; Rigby, A. J.; Rosolowsky, E.; Su, Y.; Kim, Kee-Tae; Parsons, H.; Morata, O.; Chen, H. -R.; Minamidani, T.; Park, Geumsook; Ragan, S. E.; Urquhart, J. S.; Rani, R.; Tahani, K.; Billington, S. J.; Deb, S.; Figura, C.; Fujiyoshi, T.; Joncas, G.; Liao, L. W.; Liu, T.; Ma, H.; Tuan-Anh, P.; Yun, Hyeong-Sik; Zhang, S.; Zhu, M.; Henshaw, J. D.; Longmore, S. N.; Kobayashi, M. I. N.; Thompson, M. A.; Ao, Y.; Campbell-White, J.; Ching, T. -C.; Chung, E. J.; Duarte-Cabral, A.; Fich, M.; Gao, Y.; Graves, S. F.; Jiang, X. -J.; Kemper, F.; Kuan, Y. -J.; Kwon, W.; Lee, C. W.; Lee, J. -E.; Liu, M.; Penaloza, C. H.; Peretto, N.; Phuong, N. T.; Pineda, J. E.; Plume, R.; Puspitaningrum, E.; Samal, M. R.; Soam, A.; Sun, Y.; Tang, X. D.; Traficante, A.; White, G. J.; Yan, C. -H.; Yang, A.; Yuan, J.; Yue, N.; Bemis, A.; Brunt, C. M.; Chen, Z.; Cho, J.; Clark, P. C.; Cyganowski, C. J.; Friberg, P.; Fuller, G. A.; Han, I.; Hoare, M. G.; Izumi, N.; Kim, H. -J.; Kim, J.; Kim, S.; Koch, E. W.; Kuno, N.; Lacialle, K. M.; Lai, S. -P.; Lee, H. Lee Y. -H.; Li, D. L.; Liu, S. -Y.; Mairs, S.; Oka, T.; Pan, Z.; Qian, L.; Scicluna, P.; Shi, C. -S.; Shi, H.; Srinivasan, S.; Tan, Q. -H.; Thomas, H. S.; Torii, K.; Trejo, A.; Umemoto, T.; Violino, G.; Wallstrom, S.; Wang, B.; Wu, Y.; Yuan, L.; Zhang, C.; Zhang, M.; Zhou, C.; Zhou, J. J. (2020-09-10)
      The latest generation of Galactic-plane surveys is enhancing our ability to study the effects of galactic environment upon the process of star formation. We present the first data from CO Heterodyne Inner Milky Way Plane ...

    • CHIMPS: Physical properties of molecular clumps across the inner Galaxy 

      Rigby, A. J.; Moore, T. J. T.; Eden, D. J.; Urquhart, J. S.; Ragan, S. E.; Peretto, N.; Plume, R.; Thompson, M. A.; Currie, M. J.; Park, G. (2019-12-01)
      The latest generation of high-angular-resolution unbiased Galactic plane surveys in molecular-gas tracers are enabling the interiors of molecular clouds to be studied across a range of environments. The CHIMPS survey ...

    • EMU : Evolutionary Map of the Universe 

      Norris, Ray P.; Hopkins, A. M.; Afonso, J.; Brown, S.; Condon, J. J.; Dunne, L.; Feain, I.; Hollow, R.; Jarvis, M.J.; Johnston-Hollitt, M.; Lenc, E.; Middelberg, E.; Padovani, P.; Prandoni, I.; Rudnick, L.; Seymour, N.; Umana, G.; Andernach, H.; Alexander, D. M.; Appleton, P. N.; Bacon, D.; Banfield, J.; Becker, W.; Brown, M. J. I.; Ciliegi, P.; Jackson, C.; Eales, S.; Edge, A. C.; Gaensler, B. M.; Giovannini, G.; Hales, C. A.; Hancock, P.; Huynh, M. T.; Ibar, E.; Ivison, R. J.; Kennicutt, R.; Kimball, Amy E.; Koekemoer, A. M.; Koribalski, B. S.; Lopez-Sanchez, A. R.; Mao, M. Y.; Murphy, T.; Messias, H.; Pimbblet, K. A.; Raccanelli, A.; Randall, K. E.; Reiprich, T. H.; Roseboom, I. G.; Roettgering, H.; Saikia, D. J.; Sharp, R. G.; Slee, O. B.; Smail, Ian; Thompson, Mark; Urquhart, J. S.; Wall, J. V.; Zhao, G. -B. (2011)
      EMU is a wide-field radio continuum survey planned for the new Australian Square Kilometre Array Pathfinder (ASKAP) telescope. The primary goal of EMU is to make a deep (rms ~ 10 microJy/beam) radio continuum survey of the ...

    • Extreme star formation in the Milky Way: luminosity distributions of young stellar objects in W49A and W51 

      Eden, D. J.; Moore, T. J. T.; Urquhart, J. S.; Elia, D.; Plume, R.; Konig, C.; Baldeschi, A.; Schisano, E.; Rigby, A. J.; Morgan, L. K.; Thompson, M. A. (2018-07-01)
      We have compared the star-formation properties of the W49A and W51 regions by using far-infrared data from the Herschel infrared Galactic Plane Survey (Hi-GAL) and 850-μm observations from the James Clerk Maxwell Telescope ...

    • 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 ...