Browsing Chapman, Scott by Issue Date

Now showing items 41-60 of 211

  • A Deep WSRT 1.4 GHz Radio Survey of the Spitzer Space Telescope FLSv Region 

    Morganti, R., M. A. Garrett, S. Chapman, W. Baan, et al. 2004. "A Deep WSRT 1.4 GHz Radio Survey of the Spitzer Space Telescope FLSv Region." 424(1): 371-378
    The First Look Survey (FLS) is the first scientific product to emerge from the Spitzer Space Telescope. A small region of this field (the verification strip) has been imaged very deeply, permitting the detection of ...

  • Extragalactic Source Counts at 24 Microns in the Spitzer First Look Survey 

    Marleau, Francine R., D. Fadda, L. J. Storrie-Lombardi, G. Helou, et al. 2004. "Extragalactic Source Counts at 24 Microns in the Spitzer First Look Survey." The Astrophysical Journal Supplement Series 154(1): 66-69
    We present the Spitzer MIPS 24 micron source counts in the Extragalactic First Look Survey main, verification and ELAIS-N1 fields. Spitzer's increased sensitivity and efficiency in large areal coverage over previous infrared ...

  • Obscured and unobscured active galactic nuclei in the Spitzer Space Telescope First Look Survey 

    Lacy, M., L. J. Storrie-Lombardi, A. Sajina, P. N. Appleton, et al. 2004. "Obscured and unobscured active galactic nuclei in the Spitzer Space Telescope First Look Survey." The Astrophysical Journal 154(1): 166-169
    Selection of active galactic nuclei (AGN) in the infrared allows the discovery of AGN whose optical emission is extinguished by dust. In this paper, we use the Spitzer Space Telescope First Look Survey (FLS) to assess what ...

  • Characterization of Extragalactic 24micron Sources in the Spitzer First Look Survey 

    Yan, Lin, G. Helou, D. Fadda, F. R. Marleau, et al. 2004. "Characterization of Extragalactic 24micron Sources in the Spitzer First Look Survey." The Astrophysical Journal Supplement Series 154(1): 60-65
    In this Letter, we present the initial characterization of extragalactic 24um sources in the Spitzer First Look Survey (FLS) by examining their counterparts at 8um and R-band. The color-color diagram of 24-to-8 vs. 24-to-0.7um ...

  • The Far- and Mid-Infrared/Radio Correlations in the Spitzer Extragalactic First Look Survey 

    Appleton, P. N., D. T. Fadda, F. R. Marleau, D. T. Frayer, et al. 2004. "The Far- and Mid-Infrared/Radio Correlations in the Spitzer Extragalactic First Look Survey." 154(1):The Astrophysical Journal Supplement Series 147-150
    Using the SPITZER SPACE TELESCOPE and the VLA, we present the first DIRECT evidence that the well-known far-infrared/radio correlation is valid to cosmologically significant redshift. We also confirm, with improved statistics ...

  • The First Measurements of Galaxy Clustering from IRAC Data of the Spitzer First Look Survey 

    Fang, Fan, David L. Shupe, Gillian Wilson, Mark Lacy, et al. 2004. "The First Measurements of Galaxy Clustering from IRAC Data of the Spitzer First Look Survey." 154(1): 35-38

  • Infrared Properties of Radio-Selected Submillimeter Galaxies in the Spitzer First Look Survey Verification Field 

    Frayer, D. T., S. C. Chapman, L. Yan, L. Armus, et al. 2004. "Infrared Properties of Radio-Selected Submillimeter Galaxies in the Spitzer First Look Survey Verification Field." The Astrophysical Journal Supplement Series 154(1): 137-141
    We report on submillimeter and infrared observations of 28 radio-selected galaxies in the Spitzer First Look Survey Verification field (FLSV). All of the radio-selected galaxies that show evidence for emission at 850um ...

  • A population of hot, dusty ultra-luminous galaxies at z~2 

    Chapman, S. C., Ian Smail, A. W. Blain, and R. J. Ivison. 2004. "A population of hot, dusty ultra-luminous galaxies at z~2."The Astrophysical Journal 614(2): 671-678
    We report spectroscopic redshifts for 18 microJy-radio galaxies at mean redshift of z=2.2 that are faint at both submmillimeter (submm) and optical wavelengths. While the radio fluxes of these galaxies could indicate ...

  • 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 HDF-North SCUBA Super-map II: Multi-wavelength properties 

    Borys, C., D. Scott, S. C. Chapman, M. Halpern, et al. 2004. "The HDF-North SCUBA Super-map II: Multi-wavelength properties." Monthly Notices of the Royal Astronomical Society 355(2): 485-503
    We present radio, optical and X-ray detected counterparts to the sub-mm sources found using SCUBA in the Hubble Deep Field North region (GOODS-N). A new counterpart identification statistic is developed to identify properties ...

  • 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 Half-Degree Extragalactic Survey - I. Survey motivation, design and data processing 

    Mortier, A. M. J., Serjeant, S., Dunlop, J. S., Scott, S. E., Ade, P., Alexander, D., Almaini, O., Aretxaga, I., Baugh, C., Benson, A. J., Best, P. N., Blain, A., Bock, J., Borys, C., Bressan, A., Carilli, C., Chapin, E. L., Chapman, S., Clements, D. L., Coppin, K., Crawford, M., Devlin, M., Dicker, S., Dunne, L., Eales, S. A., Edge, A. C., Farrah, D., Fox, M., Frenk, C., Gaztañaga, E., Gear, W. K., Gonzales-Solares, E., Granato, G. L., Greve, T. R., Grimes, J. A., Gundersen, J., Halpern, M., Hargrave, P., Hughes, D. H., Ivison, R. J., Jarvis, M. J., Jenness, T., Jimenez, R., van Kampen, E., King, A., Lacey, C., Lawrence, A., Lepage, K., Mann, R. G., Marsden, G., Mauskopf, P., Netterfield, B., Oliver, S., Olmi, L., Page, M. J., Peacock, J. A., Pearson, C. P., Percival, W. J., Pope, A., Priddey, R. S., Rawlings, S., Roche, N., Rowan-Robinson, M., Scott, D., Sekiguchi, K., Seigar, M., Silva, L., Simpson, C., Smail, I., Stevens, J. A., Takagi, T., Tucker, G., Vlahakis, C., Waddington, I., Wagg, J., Watson, M., Willott, C.,Vaccari, M.,. 2005. "The SCUBA Half-Degree Extragalactic Survey - I. Survey motivation, design and data processing." Monthly Notices of the Royal Astronomical Society 363(2): 509-520.
    The Submillimetre Common-User Bolometer Array (SCUBA) Half-Degree Extragalactic Survey (SHADES) is a major new blank-field extragalactic submillimetre (submm) survey currently underway at the James Clerk Maxwell Telescope ...

  • An 850-micron SCUBA map of the Groth Strip and reliable source extraction 

    Coppin, Kristen, Mark Halpern, Douglas Scott, Colin Borys, et al. 2005. "An 850-micron SCUBA map of the Groth Strip and reliable source extraction." Monthly Notices of the Royal Astronomical Society 357(3): 1022-1028
    We present an 850-micron map and list of candidate sources in a 70 arcmin^2 sub-area of the Groth Strip observed using SCUBA. We initially detect 7 candidate sources with signal-to-noise ratios (SNRs) between 3.0 and 3.5 ...

  • Modeling the evolution of infrared luminous galaxies: the influence of the Luminosity-Temperature distribution 

    Lewis, Geraint F., Scott C. Chapman, and George Helou. 2005. "Modeling the evolution of infrared luminous galaxies: the influence of the Luminosity-Temperature distribution." The Astrophysical Journal 621(1): 32-40
    The evolution of the luminous infrared galaxy population is explored using a pure luminosity evolution model which incorporates the locally observed luminosity-temperature distribution for IRAS galaxies. Pure luminosity ...

  • 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 ...

  • An interferometric CO survey of luminous submm galaxies 

    Greve, T. R., F. Bertoldi, Ian Smail, R. Neri, et al. 2005. "An interferometric CO survey of luminous submm galaxies." Monthly Notices of the Royal Astronomical Society 359(3): 1165-1183
    In this paper we present results from an IRAM Plateau de Bure millimetre-wave Interferometer (PdBI) survey for CO emission towards radio-detected submillimetre galaxies (SMGs) with known optical and near-infrared spectroscopic ...

  • An upper limit to [C II] emission in a z ~= 5 galaxy 

    Marsden, Gaelen, Colin Borys, Scott C. Chapman, Mark Halpern, et al. 2005. "An upper limit to [C II] emission in a z ~= 5 galaxy." Monthly Notices of the Royal Astronomical Society 359(1): 43-46
    Low-ionization-state far-infrared (FIR) emission lines may be useful diagnostics of star-formation activity in young galaxies, and at high redshift may be detectable from the ground. In practice, however, very little is ...

  • Optical and Near-Infrared Integral Field Spectroscopy of the SCUBA Galaxy N2-850.4 

    Swinbank, Mark, Ian Smail, Richard Bower, Colin Borys, et al. 2005. "Optical and Near-Infrared Integral Field Spectroscopy of the SCUBA Galaxy N2-850.4." Monthly Notices of the Royal Astronomical Society 359(2): 401-407
    We present optical and near-infrared integral field spectroscopy of the SCUBA galaxy SMM J163650.43+405734.5 (ELAIS N2 850.4) at z=2.385. We combine Ly-alpha and H-alpha emission line maps and velocity structure with high ...

  • Rest-frame optical and far-infrared observations of extremely bright Lyman-break galaxy candidates at z ~ 2.5 

    Ivison, Rob, Ian Smail, Misty Bentz, Jason Stevens, et al. 2005. "Rest-frame optical and far-infrared observations of extremely bright Lyman-break galaxy candidates at z ~ 2.5." Monthly Notices of the Royal Astronomical Society 362(2): 535-541
    We have investigated the rest-frame optical and far-infrared properties of a sample of extremely bright candidate Lyman-break galaxies (LBG) identified in the Sloan Digital Sky Survey. Their high ultraviolet luminosities ...

  • A submm survey of Lyman-alpha haloes in the SA22 protocluster at z=3.1 

    Geach, J. E., Y. Matsuda, Ian Smail, S. C. Chapman, et al. 2005. "A submm survey of Lyman-alpha haloes in the SA22 protocluster at z=3.1." Monthly Notices of the Royal Astronomical Society 363(4): 1398-1408
    We present the results from a submm survey of a sample of 23 giant Lya emitting nebulae in the overdensity at z=3.09 in the SA22 field. These objects, which have become known as Lya Blobs (LABs) have a diverse range of ...