Browsing Physics & Atmospheric Science Faculty Research, Publications and Presentations by Author "Ibar, E."

Now showing items 1-14 of 14

  • 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 ...

  • 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 ...

  • HerMES: Candidate Gravitationally Lensed Galaxies and Lensing Statistics at Submillimeter Wavelengths 

    Wardlow, Julie L., Asantha Cooray, Francesco De Bernardis, A. Amblard, et al. 2012. "HerMES: Candidate Gravitationally Lensed Galaxies and Lensing Statistics at Submillimeter Wavelengths." The Astrophysical Journal 762:59.
    We present a list of 13 candidate gravitationally lensed submillimeter galaxies (SMGs) from 95 square degrees of the Herschel Multi-tiered Extragalactic Survey, a surface density of 0.14\pm0.04deg^{-2}. The selected sources ...

  • HerMES: Candidate High-Redshift Galaxies Discovered with Herschel/SPIRE 

    Dowell, C. Darren, A. Conley, J. Glenn, V. Arumugam, et al. 2014. "HerMES: Candidate High-Redshift Galaxies Discovered with Herschel/SPIRE." The Astrophysical Journal 780:75
    We present a method for selecting $z>4$ dusty, star forming galaxies (DSFGs) using Herschel/SPIRE 250/350/500 $\mu m$ flux densities to search for red sources. We apply this method to 21 deg$^2$ of data from the HerMES ...

  • The Herschel Multi-Tiered Extragalactic Survey: SPIRE-mm Photometric Redshifts 

    Roseboom, I. G., R. J. Ivison, T. R. Greve, A. Amblard, et al. 2011. "The Herschel Multi-Tiered Extragalactic Survey: SPIRE-mm Photometric Redshifts." Monthly Notices of the Royal Astronomical Society 419:2758.
    We investigate the potential of submm-mm and submm-mm-radio photometric redshifts using a sample of mm-selected sources as seen at 250, 350 and 500 {\mu}m by the SPIRE instrument on Herschel. From a sample of 63 previously ...

  • Herschel observations of a z 2 stellar mass selected galaxy sample drawn from the GOODS NICMOS Survey 

    Hilton, M., C. J. Conselice, I. G. Roseboom, D. Burgarella, et al. 2012. "Herschel observations of a z 2 stellar mass selected galaxy sample drawn from the GOODS NICMOS Survey." Monthly Notices of the Royal Astronomical Society 425:540.
    We present a study of the far-IR properties of a stellar mass selected sample of 1.5 9.5 drawn from the GOODS NICMOS Survey (GNS), the deepest H-band Hubble Space Telescope survey of its type prior to the installation of ...

  • A Herschel view of the far-infrared properties of submillimetre galaxies 

    Magnelli, B., D. Lutz, P. Santini, A. Saintonge, et al. 2012. "A Herschel view of the far-infrared properties of submillimetre galaxies." Astronomy and astrophysics 539:155.
    We study a sample of 61 submillimetre galaxies (SMGs) selected from ground-based surveys, with known spectroscopic redshifts and observed with Herschel as part of the PACS Evolutionary Probe (PEP) and the Herschel Multi-tiered ...

  • The LABOCA survey of the Extended Chandra Deep Field South - radio and mid-infrared counterparts to submillimetre galaxies 

    Biggs, A. D., R. J. Ivison, E. Ibar, J. L. Wardlow, et al. 2010. "The LABOCA survey of the Extended Chandra Deep Field South - radio and mid-infrared counterparts to submillimetre galaxies." Monthly Notices of the Royal Astronomical Society 413:2314.
    We present radio and infrared (3.6-24um) counterparts to submillimetre galaxies (SMGs) detected in the Extended Chandra Deep Field South with the LABOCA 870-um bolometer camera on the 12-m Atacama Pathfinder Experiment. ...

  • 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 ...

  • The SCUBA HAlf Degree Extragalactic Survey (SHADES) - III. Identification of radio and mid-infrared counterparts to submillimetre galaxies 

    Ivison, R. J., T. R. Greve, J. S. Dunlop, J. A. Peacock, et al. 2007. "The SCUBA HAlf Degree Extragalactic Survey (SHADES) - III. Identification of radio and mid-infrared counterparts to submillimetre galaxies." Monthly Notices of the Royal Astronomical Society 380(1): 199-228
    Determining an accurate position for a submm galaxy (SMG) is the crucial step that enables us to move from the basic properties of an SMG sample - source counts and 2-D clustering - to an assessment of their detailed, ...

  • The SCUBA-2 Cosmology Legacy Survey: demographics of the 450 \mu m-population 

    Roseboom, I. G., J. S. Dunlop, M. Cirasuolo, J. E. Geach, et al. 2013. "The SCUBA-2 Cosmology Legacy Survey: demographics of the 450 \mu m-population." Monthly Notices of the Royal Astronomical Society 436:430.
    We investigate the multi-wavelength properties of a sample of 450-\mu m selected sources from the SCUBA-2 Cosmology Legacy Survey (S2CLS). A total of 69 sources were identified above 4\sigma\ in deep SCUBA-2 450-\mu m ...

  • SPT 0538-50: Physical conditions in the ISM of a strongly lensed dusty star-forming galaxy at z=2.8 

    Bothwell, M. S., J. E. Aguirre, S. C. Chapman, D. P. Marrone, et al. 2013. "SPT 0538-50: Physical conditions in the ISM of a strongly lensed dusty star-forming galaxy at z=2.8." Astrophysical Journal, 779 (1):67
    We present observations of SPT-S J053816-5030.8, a gravitationally-lensed dusty star forming galaxy (DSFG) at z = 2.7817, first discovered at millimeter wavelengths by the South Pole Telescope. SPT 0538-50 is typical of ...

  • Ultra Steep Spectrum radio sources in the Lockman Hole: SERVS identifications and redshift distribution at the faintest radio fluxes 

    Afonso, J., L. Bizzocchi, E. Ibar, M. Grossi, et al. 2011. "Ultra Steep Spectrum radio sources in the Lockman Hole: SERVS identifications and redshift distribution at the faintest radio fluxes." The Astrophysical Journal 743:122.
    Ultra Steep Spectrum (USS) radio sources have been successfully used to select powerful radio sources at high redshifts (z>~2). Typically restricted to large-sky surveys and relatively bright radio flux densities, it has ...