Now showing items 1-20 of 104

  • AEGIS20: a radio survey of the Extended Groth Strip 

    Ivison, R. J., S. C. Chapman, S. M. Faber, Ian Smail, et al. 2007. "AEGIS20: a radio survey of the Extended Groth Strip." The Astrophysical Journal 660(1): 77-L80
    We describe AEGIS20 - a radio survey of the Extended Groth Strip (EGS) conducted with the Very Large Array (VLA) at 1.4GHz. The resulting catalog contains 1,123 emitters and is sensitive to ultraluminous starbursts to z1 ...
  • Alma Observations of Spt-Discovered, Strongly Lensed, Dusty, Star-Forming Galaxies 

    Hezaveh, Y. D., D. P. Marrone, C. D. Fassnacht, J. S. Spilker, et al. 2013. "Alma Observations of Spt-Discovered, Strongly Lensed, Dusty, Star-Forming Galaxies." Astrophysical Journal 767(2): 132-132.
    No abstract available.
  • Alma Redshifts of Millimeter-Selected Galaxies from the Spt Survey: the Redshift Distribution of Dusty Star-Forming Galaxies 

    Weiss, A., C. De Breuck, D. P. Marrone, J. D. Vieira, et al. 2013. "Alma Redshifts of Millimeter-Selected Galaxies from the Spt Survey: the Redshift Distribution of Dusty Star-Forming Galaxies." Astrophysical Journal 767(1): 88-88.
    No abstract available.
  • AzTEC half square degree survey of the SHADES fields - II. Identifications, redshifts, and evidence for large-scale structure 

    Michałowski, M. J., J. S. Dunlop, R. J. Ivison, Michele Cirasuolo, et al. 2012. "AzTEC half square degree survey of the SHADES fields - II. Identifications, redshifts, and evidence for large-scale structure." Monthly Notices of the Royal Astronomical Society 426:1845
    The AzTEC 1.1 mm survey of the SCUBA HAlf Degree Extragalactic Survey (SHADES) fields is the largest (0.7 deg2) blank-field millimetre-wavelength survey undertaken to date at a resolution of ~18" and a depth of ~1 mJy. We ...
  • AzTEC Half Square Degree Survey of the SHADES Fields -- I. Maps, Catalogues, and Source Counts 

    Austermann, J. E., J. S. Dunlop, T. A. Perera, K. S. Scott, et al. 2009. "AzTEC Half Square Degree Survey of the SHADES Fields -- I. Maps, Catalogues, and Source Counts." Monthly Notices of the Royal Astronomical Society 401:160.
    We present the first results from the largest deep extragalactic millimetre-wavelength survey undertaken to date. These results are derived from maps covering over 0.7 deg^2, made at 1.1mm, using the AzTEC continuum camera ...
  • The bi-variate luminosity-color distribution of IRAS galaxies, and implications for the high redshift Universe 

    Chapman, S. C., G. Helou, G. F. Lewis, and D. A. Dale. 2003. "The bi-variate luminosity-color distribution of IRAS galaxies, and implications for the high redshift Universe." 588(1): 186-198
    We present a characterization of the local luminosity-color, bi-variate distribution of IRAS galaxies from the 1.2Jy sample, selected at 60 micron. The S60/S100 infrared color is used as the best single parameter description ...
  • The Chandra Deep Protocluster Survey: Evidence for an Enhancement in the AGN Activity in the SSA22 Protocluster at z = 3.09 

    Lehmer, B. D., D. M. Alexander, J. E. Geach, Ian Smail, et al. 2009. "The Chandra Deep Protocluster Survey: Evidence for an Enhancement in the AGN Activity in the SSA22 Protocluster at z = 3.09." The Astrophysical Journal 691(1): 687-695
    We present results from a new ultra-deep 400 ks Chandra observation of the SSA22 protocluster at z = 3.09. We have studied the X-ray properties of 234 z ~ 3 Lyman break galaxies (LBGs; protocluster and field) and 158 z = ...
  • The Chandra Deep Protocluster Survey: Lyα Blobs are powered by heating, not cooling 

    Geach, J. E., D. M. Alexander, B. D. Lehmer, Ian Smail, et al. 2009. "The Chandra Deep Protocluster Survey:Lyα Blobs are powered by heating, not cooling." The Astrophysical Journal, 700(1): 1-9
    We present the results of a 400ks Chandra survey of 29 extended Ly-alpha emitting nebulae (Ly-alpha Blobs, LABs) in the z=3.09 proto-cluster in the SSA22 field. We detect luminous X-ray counterparts in five LABs, implying ...
  • The Chandra Deep Protocluster Survey: Point-Source Catalogs for a 400 ks Observation of the z = 3.09 Protocluster in SSA22 

    Lehmer, B. D., D. M. Alexander, S. C. Chapman, Ian Smail, et al. 2009. "The Chandra Deep Protocluster Survey: Point-Source Catalogs for a 400 ks Observation of the z = 3.09 Protocluster in SSA22." Monthly Notices of the Royal Astronomical Society 400:299.
    We present X-ray point-source catalogs for a deep 400 ks Chandra ACIS-I exposure of the SSA22 field. The observations are centred on a z = 3.09 protocluster, which is populated by Lyman break galaxies (LBGs), Lyalpha ...
  • Deep Gemini/GMOS imaging of an extremely isolated globular cluster in the Local Group 

    Mackey, A. D., A. M. N. Ferguson, M. J. Irwin, N. F. Martin, et al. 2009. "Deep Gemini/GMOS imaging of an extremely isolated globular cluster in the Local Group." Monthly Notices of the Royal Astronomical Society 401:533.
    We report on deep imaging of a remote M31 globular cluster, MGC1, obtained with Gemini/GMOS. Our colour-magnitude diagram for this object extends ~5 magnitudes below the tip of the red giant branch and exhibits features ...
  • Deep observations of CO line emission from star-forming galaxies in a cluster candidate at z=1.5 

    Aravena, M., C. L. Carilli, M. Salvato, M. Tanaka, et al. 2012. "Deep observations of CO line emission from star-forming galaxies in a cluster candidate at z=1.5." Monthly Notices of the Royal Astronomical Society 426: 258.
    We report results from a deep Jansky Very Large Array (JVLA) search for CO 1-0 line emission from galaxies in a candidate galaxy cluster at z~1.55 in the COSMOS field. We target 4 galaxies with optical spectroscopic redshifts ...
  • Deep SAURON Spectral-Imaging of the diffuse Lyman-alpha halo LAB1 in SSA22 

    Bower, Richard, S. L. Morris, R. Bacon, R. J. Wilman, et al. 2004. "Deep SAURON Spectral-Imaging of the diffuse Lyman-alpha halo LAB1 in SSA22." Monthly Notices of the Royal Astronomical Society 351(1): 63-69
    We have used the SAURON panoramic integral field spectrograph to study the structure of the Ly-alpha emission-line halo, LAB1, surrounding the sub-millimeter galaxy SMM J221726+0013. This emission-line halo was discovered ...
  • The Discovery of Remote Globular Clusters in M33 

    Huxor, A., A. M. N. Ferguson, M. K. Barker, N. R. Tanvir, et al. 2009. "The Discovery of Remote Globular Clusters in M33." The Astrophysical Journal Letters, 698(2): 77-L81
    We present the discovery of four remote star clusters in M33, one of which is of an extended nature. Three of the clusters were discovered using survey data from the Isaac Newton Telescope Wide-Field Camera while one was ...
  • Do submillimeter galaxies really trace the most massive dark matter halos? Discovery of a high-z cluster in a highly active phase of evolution 

    Chapman, S. C., A. W. Blain, R. Ibata, R. J. Ivison, et al. 2009. "Do submillimeter galaxies really trace the most massive dark matter halos? Discovery of a high-z cluster in a highly active phase of evolution." The Astrophysical Journal 691(1): 560-568
    We present detailed observations of a z~1.99 cluster of submillimeter galaxies (SMGs), discovered as the strongest redshift spike in our entire survey of ~100 SMGs across 800 square arcmin. It is the largest blank-field ...
  • 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 ...
  • Dynamics in the satellite system of Triangulum: Is AndXXII a dwarf satellite of M33? 

    Chapman, S. C., L. Widrow, M. L. M. Collins, J. Dubinski, et al. 2012. "Dynamics in the satellite system of Triangulum: Is AndXXII a dwarf satellite of M33?." Monthly Notices of the Royal Astronomical Society 430(1): 37.
    We present results from a spectroscopic survey of the dwarf spheroidal And XXII and the two extended clusters EC1 and EC2. These three objects are candidate satellites of the Triangulum galaxy, M33, which itself is likely ...
  • The effect of lensing on the identification of bright SCUBA galaxies 

    Chapman, S. C., Ian Smail, R. J. Ivison, and A. W. Blain. 2002. "The effect of lensing on the identification of bright SCUBA galaxies." Monthly Notices of the Royal Astronomical Society 335(1): 17-L21
    Spectroscopic surveys of luminous submillimetre-selected sources have uncovered optically-bright galaxies at z<1 close to the positions of several submillimetre (submm) sources. Naive statistical analyses suggest that ...
  • Energetic galaxy-wide outflows in high-redshift ultra-luminous infrared galaxies hosting AGN activity 

    Harrison, C. M., D. M. Alexander, A. M. Swinbank, Ian Smail, et al. 2012. "Energetic galaxy-wide outflows in high-redshift ultra-luminous infrared galaxies hosting AGN activity." Monthly Notices of the Royal Astronomical Society 426:1073.
    We present integral field spectroscopy observations, covering the [O III]4959,5007 emission-line doublet of eight high-redshift (z=1.4-3.4) ultra-luminous infrared galaxies (ULIRGs) that host Active Galactic Nuclei (AGN) ...
  • Evidence for extended, obscured starbursts in submm galaxies 

    Chapman, S. C., Ian Smail, R. Windhorst, T. Muxlow, et al. 2004. "Evidence for extended, obscured starbursts in submm galaxies." The Astrophysical Journal 611(2): 732-738
    We compare high-resolution optical and radio imaging of 12 luminous submm galaxies at z=2.2+/-0.2 observed with HST and the MERLIN and VLA at comparable spatial resolution, 0.3" (2kpc). The radio emission traces the likely ...
  • Exploring the Properties of the M31 Halo Globular Cluster System 

    Huxor, A. P., A. M. N. Ferguson, N. R. Tanvir, M. J. Irwin, et al. 2011. "Exploring the Properties of the M31 Halo Globular Cluster System." Monthly Notices of the Royal Astronomical Society 414:770.
    Following on from our discovery of a significant population of M31 outer halo globular clusters (GCs), and updates to the Revised Bologna Catalogue of M31 GCs, we investigate the GC system of M31 out to an unprecedented ...