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

Now showing items 41-60 of 532

  • Molecular Gas in Submillimetre-Faint, Star-Forming Ultraluminous Galaxies at z>1 

    Casey, C. M., S. C. Chapman, R. Neri, F. Bertoldi, et al. 2009. "Molecular Gas in Submillimetre-Faint, Star-Forming Ultraluminous Galaxies at z>1." Monthly Notices of the Royal Astronomical Society 415:2723.
    [abridged] We present interferometric CO observations of twelve z~2 submillimetre-faint, star-forming radio galaxies (SFRGs) which are thought to be ultraluminous infrared galaxies (ULIRGs) possibly dominated by warmer ...

  • Spectroscopic Characterisation of 250um-Selected Hyper-Luminous Star Forming Galaxies 

    Casey, C. M., S. C. Chapman, Ian Smail, S. Alaghband-Zadeh, et al. 2010. "Spectroscopic Characterisation of 250um-Selected Hyper-Luminous Star Forming Galaxies." Monthly Notices of the Royal Astronomical Society 411:2739.
    We present near-infrared spectroscopic observations from VLT ISAAC of thirteen 250\mu m-luminous galaxies in the CDF-S, seven of which have confirmed redshifts which average to = 2.0 \pm 0.4. Another two sources of the 13 ...

  • A Redshift Survey of the Submillimeter Galaxy Population 

    Chapman, S. C., A. W. Blain, Ian Smail, and R. J. Ivison. 2005. "A Redshift Survey of the Submillimeter Galaxy Population." The Astrophysical Journal 622(2): 772-796
    We have obtained spectroscopic redshifts using the Keck-I telescope for a sample of 73 submillimeter (submm) galaxies for which precise positions are available. The galaxies lie at redshifts out to z=3.6, with a median ...

  • Density Variations in the NW Star Stream of M31 

    Carlberg, R. G., Harvey B. Richer, Alan W. McConnachie, Mike Irwin, et al. 2011. "Density Variations in the NW Star Stream of M31." The Astrophysical Journal 731:124.
    The Pan Andromeda Archeological Survey (PAndAS) CFHT Megaprime survey of the M31-M33 system has found a star stream which extends about 120 kpc NW from the center of M31. The great length of the stream, and the likelihood ...

  • Constraining Star Formation and AGN in z~2 Massive Galaxies using High Resolution MERLIN Radio Observations 

    Casey, Caitlin M., Scott C. Chapman, Tom W. B. Muxlow, Rob J. Beswick, et al. 2009. "Constraining Star Formation and AGN in z~2 Massive Galaxies using High Resolution MERLIN Radio Observations." Monthly Notices of the Royal Astronomical Society 395(3): 1249-1256
    We present high spatial resolution MERLIN 1.4GHz radio observations of two high redshift (z~2) sources, RGJ123623 (HDF147) and RGJ123617 (HDF130), selected as the brightest radio sources from a sample of submillimetre-faint ...

  • A Search for Neutral Carbon towards two z=4.05 Submillimetre Galaxies, GN20 and GN20.2 

    Casey, C. M., S. C. Chapman, E. Daddi, H. Dannerbauer, et al. 2009. "A Search for Neutral Carbon towards two z=4.05 Submillimetre Galaxies, GN20 and GN20.2." Monthly Notices of the Royal Astronomical Society 400:670.
    Using the IRAM Plateau-de-Bure Interferometer (PdBI) we have searched for the upper fine structure line of neutral carbon (CI(2->1), nu_rest = 809 GHz) and 12CO(J=7->6) (nu_rest=806GHz) towards the submillimetre galaxies ...

  • 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 ...

  • Confirmation of a Dominating Hot-Dust Component in z~2 Star Forming ULIRGs 

    Casey, Caitlin M., and Scott C. Chapman. 2009. "Confirmation of a Dominating Hot-Dust Component in z~2 Star Forming ULIRGs." MNRAS 399 (1): 121
    This submission has been withdrawn.

  • First results from the UBC etch-alignment mosaic CCD 

    Chapman, S. C., G. S. Burley, and G. A. H. Walker. 1997. "First results from the UBC etch-alignment mosaic CCD." SPIE 3019
    First imaging results are obtained with a new CCD mosaic prototype (3K x 3k, 15 \mu m pixels). The CCDs are aligned using an etched socket alignment technique. Three different measurements of the alignment are made using ...

  • The Properties of Microjansky Radio Sources in the HDF-N, SSA13, and SSA22 Fields 

    Chapman, S. C., A. J. Barger, L. L. Cowie, D. Scott, et al. 2003. "The Properties of Microjansky Radio Sources in the HDF-N, SSA13, and SSA22 Fields." The Astrophysical Journal 585(1): 57-66
    (abridged) We present multiwavelength observations for a large sample of microjansky radio sources detected in ultradeep 1.4GHz maps centered on the Hubble Deep Field-North (HDF-N) and the Hawaii Survey Fields SSA13 and ...

  • A joint analysis of BLAST 250--500um and LABOCA 870um observations in the Extended Chandra Deep Field South 

    Chapin, Edward L., Scott C. Chapman, Kristen E. Coppin, Mark J. Devlin, et al. 2011. "A joint analysis of BLAST 250--500um and LABOCA 870um observations in the Extended Chandra Deep Field South." 411(1): 505-549
    We present a joint analysis of the overlapping BLAST 250, 350, 500um, and LABOCA 870um observations (from the LESS survey) of the ECDF-S. Out to z~3, the BLAST filters sample near the peak wavelength of far-infrared (FIR) ...

  • 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 ...

  • 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 ...

  • 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 ...

  • Using SCUBA to place upper limits on arcsecond scale CMB anisotropies at 850 microns 

    Borys, Colin, Scott C. Chapman, and Douglas Scott. 1999. "Using SCUBA to place upper limits on arcsecond scale CMB anisotropies at 850 microns." Monthly Notices of the Royal Astronomical Society 308(2): 527-538
    The SCUBA instrument on the James Clerk Maxwell Telescope has already had an impact on cosmology by detecting relatively large numbers of dusty galaxies at high redshift. Apart from identifying well-detected sources, such ...

  • The GALEX Ultraviolet Virgo Cluster Survey (GUViCS). I: The UV luminosity function of the central 12 sq.deg 

    Boselli, A., S. Boissier, S. Heinis, L. Cortese, et al. 2011. "The GALEX Ultraviolet Virgo Cluster Survey (GUViCS). I: The UV luminosity function of the central 12 sq.deg." Astronomy and astrophysics 528: 107.
    The GALEX Ultraviolet Virgo Cluster Survey (GUViCS) is a complete blind survey of the Virgo cluster covering about 40 sq. deg. in the far UV (FUV, lambda_eff=1539A, Delta-lambda=442A) and about 120 sq. deg. in the near UV ...

  • High-resolution CO and radio imaging of ULIRGs: extended CO structures, and implications for the universal star formation law 

    Bothwell, M. S., S. C. Chapman, L. Tacconi, Ian Smail, et al. 2009. "High-resolution CO and radio imaging of ULIRGs: extended CO structures, and implications for the universal star formation law." Monthly Notices of the Royal Astronomical Society 405(1): 219.
    We present high spatial resolution (0.4", ~3.5 kpc) PdBI interferometric data on three ultra-luminous infrared galaxies (ULIRGs) at z~2: two submillimetre galaxies and one submillimetre faint star forming radio galaxy. The ...

  • A survey of molecular gas in luminous sub-millimetre galaxies 

    Bothwell, M. S., Ian Smail, S. C. Chapman, R. Genzel, et al. 2012. "A survey of molecular gas in luminous sub-millimetre galaxies." Monthly Notices of the Royal Astronomical Society 429(4): 3047.
    We present the results from a survey for 12CO emission in 40 luminous sub-millimetre galaxies (SMGs), with 850um fluxes of S850 = 4 - 20 mJy, conducted with the Plateau de Bure Interferometer. We detect 12CO emission in ...

  • The X-ray Spectral Properties of SCUBA Galaxies 

    Alexander, D. M., F. E. Bauer, S. C. Chapman, I. Smail, et al. 2005. "The X-ray Spectral Properties of SCUBA Galaxies." The Astrophysical Journal 632(2): 736-750
    Deep SCUBA surveys have uncovered a large population of massive submm galaxies (SMGs) at z>~1. Although it is generally believed that these galaxies host intense star-formation activity, there is growing evidence that a ...

  • Integral Field Spectroscopy of 2.0<z<2.7 Sub-mm Galaxies; gas morphologies and kinematics 

    Alaghband-Zadeh, S., S. C. Chapman, A. M. Swinbank, Ian Smail, et al. 2012. "Integral Field Spectroscopy of 2.0<z<2.7 Sub-mm Galaxies; gas morphologies and kinematics." Monthly Notices of the Royal Astronomical Society 424:2232.
    We present two-dimensional, integral field spectroscopy covering the rest-frame wavelengths of strong optical emission lines in nine sub-mm-luminous galaxies (SMGs) at 2.0&lt;z&lt;2.7. The GEMINI-NIFS and VLT-SINFONI imaging ...