Physics & Atmospheric Science Faculty Research, Publications and Presentations: Recent submissions

Now showing items 81-100 of 532

  • LBQS 0103-2753: A Binary Quasar in a Major Merger 

    Shields, G. A., D. J. Rosario, V. Junkkarinen, S. C. Chapman, et al. 2011. "LBQS 0103-2753: A Binary Quasar in a Major Merger." The Astrophysical Journal 744(2):151
    We present HST and UKIRT spectra and images of the 2 kpc binary quasar LBQS 0103-2753 (z=0.858). The HST images (V- and I-band) show tidal features demonstrating that this system is a major galaxy merger in progress. A ...

  • High-resolution Millimeter Imaging of Submillimeter Galaxies 

    Tacconi, L. J., R. Neri, S. C. Chapman, R. Genzel, et al. 2006. "High-resolution Millimeter Imaging of Submillimeter Galaxies." The Astrophysical Journal 640(1): 228-240
    We present sub-arcsecond resolution IRAM PdBI interferometry of eight submillimeter galaxies at redshifts from 2 to 3.4, where we detect continuum at 1mm and/or CO lines at 3 and 1 mm. The CO 3-2/4-3 line profiles in five ...

  • Submillimeter Galaxies at z 2: Evidence for Major Mergers & Constraints on Lifetimes, IMF and CO-H2 Conversion Factor 

    Tacconi, L. J., R. Genzel, I. Smail, R. Neri, et al. 2008. "Submillimeter Galaxies at z 2: Evidence for Major Mergers & Constraints on Lifetimes, IMF and CO-H2 Conversion Factor." The Astrophysical Journal 680(1): 246-262
    We report sub-arcsecond resolution IRAM PdBI millimeter CO interferometry of four z~2 submillimeter galaxies (SMGs), and sensitive CO (3-2) flux limits toward three z 2 UV-/optically selected star forming galaxies. The new ...

  • The AGN fraction of submm-selected galaxies and contributions to the submm/mm-wave extragalactic background light 

    Serjeant, S., M. Negrello, C. Pearson, A. Mortier, et al. 2010. "The AGN fraction of submm-selected galaxies and contributions to the submm/mm-wave extragalactic background light." Astronomy and Astrophysics 514:10.
    We present a comparison of the SCUBA Half Degree Extragalactic Survey (SHADES) at 450, 850 and 1100 microns with deep guaranteed time 15 microns AKARI FU-HYU survey data and Spitzer guaranteed time data at 3.6-24 microns ...

  • The HDF-North SCUBA Super-map I: Submillimetre maps, sources and number counts 

    Borys, C., S. C. Chapman, M. Halpern, and D. Scott. 2003. "The HDF-North SCUBA Super-map I: Submillimetre maps, sources and number counts." Monthly Notices of the Royal Astronomical Society 344(2): 385-398
    We investigate the emission of sub-millimetre-wave radiation from galaxies in a 165 square arcminute region surrounding the Hubble Deep Field North. The data were obtained from dedicated observing runs from our group and ...

  • The Rest-Frame Optical Properties of SCUBA Galaxies 

    Smail, Ian, S. C. Chapman, A. W. Blain, and R. J. Ivison. 2004. "The Rest-Frame Optical Properties of SCUBA Galaxies." The Astrophysical Journal 617(1):64
    We present optical and near-IR photometry of 96 dusty, far-IR luminous galaxies. We have precise spectroscopic redshifts for all these galaxies yielding a median redshift of z=2.2. The majority, 78, are submm-detected ...

  • The SCUBA-2 Cosmology Legacy Survey: Ultraluminous star-forming galaxies in a z=1.6 cluster 

    Smail, Ian, J. E. Geach, A. M. Swinbank, K. Tadaki, et al. 2013. "The SCUBA-2 Cosmology Legacy Survey: Ultraluminous star-forming galaxies in a z=1.6 cluster." The Astrophysical Journal 182(1): 19.
    We analyse new SCUBA-2 submillimeter and archival SPIRE far-infrared imaging of a z=1.62 cluster, Cl0218.3-0510, which lies in the UKIDSS/UDS field of the SCUBA-2 Cosmology Legacy Survey. Combining these tracers of obscured ...

  • The Rest-frame Optical Spectra of SCUBA Galaxies 

    Swinbank, Mark, Ian Smail, Scott Chapman, Andrew Blain, et al. 2004. "The Rest-frame Optical Spectra of SCUBA Galaxies." The Astrophysical Journal 616(1): 71-85
    We present near-infrared spectroscopy and narrow-band imaging at the wavelength of redshifted H-alpha for a sample of 30 high-redshift, far-infrared luminous galaxies. This sample is selected from surveys in the sub-millimeter, ...

  • The SCUBA HAlf Degree Extragalactic Survey (SHADES) -- V. Submillimetre properties of near-infrared--selected galaxies in the Subaru/XMM--Newton deep field 

    Takagi, T., A. M. J. Mortier, K. Shimasaku, K. Coppin, et al. 2007. "The SCUBA HAlf Degree Extragalactic Survey (SHADES) -- V. Submillimetre properties of near-infrared--selected galaxies in the Subaru/XMM--Newton deep field." Monthly Notices of the Royal Astronomical Society 381(3): 1154-1168
    We have studied the submillimetre (submm) properties of the following classes of near-infrared (NIR)-selected massive galaxies at high redshifts: BzK-selected star-forming galaxies (BzKs); distant red galaxies (DRGs); and ...

  • The Properties of Sub-mm Galaxies in Hierarchical Models 

    Swinbank, Mark, Cedric Lacey, Ian Smail, Carlton Baugh, et al. 2008. "The Properties of Sub-mm Galaxies in Hierarchical Models." Monthly Notices of the Royal Astronomical Society 391: 420.
    We use the combined GALFORM semi-analytical model of galaxy formation and GRASIL spectrophotometric code to investigate the properties of galaxies selected via their sub-mm emission. Our fiducial model has previously been ...

  • The Link between Submillimetre Galaxies and Luminous Ellipticals: Near-Infrared IFU Spectroscopy of Submillimetre Galaxies 

    Swinbank, Mark, Chapman, , Ian Smail, et al. 2006. "The Link between Submillimetre Galaxies and Luminous Ellipticals: Near-Infrared IFU Spectroscopy of Submillimetre Galaxies." Monthly Notices of the Royal Astronomical Society 371:465.
    We present two-dimensional spectroscopy covering the rest-frame wavelengths of strong optical emission lines in six luminous submillimetre galaxies at z=1.3--2.5. Together with HST ACS and NICMOS imaging we map the dynamics ...

  • The nature of a gravitationally lensed sub-millimetre arc in MS0451.6-0305: two interacting galaxies at z~2.9? 

    Borys, C., S. C. Chapman, M. Donahue, G. Fahlman, et al. 2004. "The nature of a gravitationally lensed sub-millimetre arc in MS0451.6-0305: two interacting galaxies at z~2.9?." Monthly Notices of the Royal Astronomical Society 352(3): 759-767
    We present a new SCUBA image of the cluster MS0451.6-0305, which exhibits strong, extended sub-mm flux at 850 microns. The most striking feature in the map is an elongated region of bright sub-mm emission, with a flux ...

  • A Hubble Space Telescope NICMOS and ACS Morphological Study of z~2 Submillimetre Galaxies 

    Swinbank, Mark, Ian Smail, Scott Chapman, Colin Borys, et al. 2010. "A Hubble Space Telescope NICMOS and ACS Morphological Study of z~2 Submillimetre Galaxies." Monthly Notices of the Royal Astronomical Society 405(1): 234.
    We present a quantitative morphological analysis using HST NICMOS H160- and ACS I775- band imaging of 25 spectroscopically confirmed submillimetre galaxies (SMGs) which have redshifts between z=0.7-3.4. Our analysis also ...

  • A Vigorous Starburst in the SCUBA Galaxy N2 850.4 

    Smail, Ian, S. C. Chapman, R. J. Ivison, A. W. Blain, et al. 2003. "A Vigorous Starburst in the SCUBA Galaxy N2 850.4." Monthly Notices of the Royal Astronomical Society 342(4): 1185-1193
    We present optical and near-IR spectroscopy of a z=2.38 hyperluminous IR galaxy, covering the restframe wavelength range from 1000-5000A. It appears to comprise two components separated by less than 1" on the sky (<8kpc); ...

  • An HST/ACS View of the Inhomogeneous Outer Halo of M31 

    Richardson, J. C., A. M. N. Ferguson, A. D. Mackey, M. J. Irwin, et al. 2009. "An HST/ACS View of the Inhomogeneous Outer Halo of M31." Monthly Notices of the Royal Astronomical Society 396:1842.
    We present a high precision photometric view of the stellar populations in the outer halo of M31, using data taken with the Hubble Space Telescope Advanced Camera for Surveys (HST/ACS). We analyse the field populations ...

  • Redshift Determination and CO Line Excitation Modeling for the Multiply-Lensed Galaxy HLSW-01 

    Scott, K. S., R. E. Lupu, J. E. Aguirre, R. Auld, et al. 2011. "Redshift Determination and CO Line Excitation Modeling for the Multiply-Lensed Galaxy HLSW-01." The Astrophysical Journal 733:29.
    We report on the redshift measurement and CO line excitation of HERMES J105751.1+573027 (HLSW-01), a strongly lensed submillimeter galaxy discovered in Herschel/SPIRE observations as part of the Herschel Multi-tiered ...

  • Draco, a flawless dwarf galaxy 

    Segall, Mathieu, Rodrigo Ibata, Michael Irwin, Nicolas Martin, et al. 2007. "Draco, a flawless dwarf galaxy." Monthly Notices of the Royal Astronomical Society 375(3): 831-842
    The Draco dwarf spheroidal galaxy (dSph), with its apparent immense mass to light ratio and compact size, holds many clues to the nature of the enigmatic dark matter. Here we present deep photometric studies of this dwarf ...

  • Dynamical Structure of the Molecular Interstellar Medium in an Extremely Bright, Multiply Lensed z 3 Submillimeter Galaxy Discovered with Herschel 

    Riechers, Dominik A., A. Cooray, A. Omont, R. Neri, et al. 2011. "Dynamical Structure of the Molecular Interstellar Medium in an Extremely Bright, Multiply Lensed z 3 Submillimeter Galaxy Discovered with Herschel." The Astrophysical Journal Letters 733:L12
    We report the detection of CO 5-4, 3-2, and 1-0 emission in the strongly lensed, Herschel/SPIRE-selected submillimeter galaxy (SMG) HLSW-01 at z=2.9574+/-0.0001, using the Plateau de Bure Interferometer, the Combined Array ...

  • An extended Herschel drop-out source in the center of AS1063, a 'normal' dusty galaxy at z=6.1 or SZ substructures? 

    Boone, F., B. Clément, J. Richard, D. Schaerer, et al. 2013. "An extended Herschel drop-out source in the center of AS1063, a 'normal' dusty galaxy at z=6.1 or SZ substructures?." Astronomy and astrophysics 559:L1
    In the course of our 870um APEX/LABOCA follow up of the Herschel Lensing Survey we have detected a source in AS1063 (RXC J2248.7-4431), that has no counterparts in any of the Herschel PACS/SPIRE bands, it is a Herschel ...

  • First detections of FIRBACK sources with SCUBA 

    Scott, Douglas, Guilaine Lagache, Colin Borys, Scott C. Chapman, et al. 1999. "First detections of FIRBACK sources with SCUBA." Astronomy and Astrophysics 357:L5
    The FIRBACK (Far InfraRed BACKground) survey represents the deepest extensive 170 micron images obtained by the ISO satellite. The sources detected comprise about 10% of the Cosmic IR Background (CIB) seen by COBE, and, ...