Browsing Chapman, Scott by Title

Now showing items 132-151 of 211

  • PAndAS in the mist: The stellar and gaseous mass within the halos of M31 and M33 

    Lewis, Geraint F., Robert Braun, Alan W. McConnachie, Michael J. Irwin, et al. 2012. "PAndAS in the mist: The stellar and gaseous mass within the halos of M31 and M33." The Astrophysical Journal 763:4.
    Large scale surveys of the prominent members of the Local Group have provided compelling evidence for the hierarchical formation of massive galaxies, revealing a wealth of substructure that is thought to be the debris from ...

  • PAndAS' cubs: discovery of two new dwarf galaxies in the surroundings of the Andromeda and Triangulum galaxies 

    Martin, Nicolas F., Alan W. McConnachie, Mike Irwin, Lawrence M. Widrow, et al. 2009. "PAndAS' cubs: discovery of two new dwarf galaxies in the surroundings of the Andromeda and Triangulum galaxies." The Astrophysical Journal 705(1):758.
    We present the discovery of two new dwarf galaxies, Andromeda XXI and Andromeda XXII, located in the surroundings of the Andromeda and Triangulum galaxies (M31 and M33). These discoveries stem from the first year data of ...

  • PAndAS' progeny: extending the M31 dwarf galaxy cabal 

    Richardson, Jenny C., Mike Irwin, Alan W. McConnachie, Nicolas F. Martin, et al. 2011. "PAndAS' progeny: extending the M31 dwarf galaxy cabal." The Astrophysical Journal 732 (2):76.
    We present the discovery of five new dwarf galaxies, Andromeda XXIII-XXVII, located in the outer halo of M31. These galaxies were found in the second year of data from the Pan-Andromeda Archaeological Survey (PAndAS) of ...

  • Physical Conditions of the Gas in an ALMA [CII]-identified Submillimetre Galaxy at z = 4.44 

    Huynh, M. T., R. P. Norris, K. E. K. Coppin, B. H. C. Emonts, et al. 2013. "Physical Conditions of the Gas in an ALMA [CII]-identified Submillimetre Galaxy at z = 4.44." Monthly Notices of the Royal Astronomical Society: Letters, Volume 431(1); L88-L92
    We present CO(2-1) observations of the submillimetre galaxy ALESS65.1 performed with the Australia Telescope Compact Array at 42.3 GHz. A previous ALMA study of submillimetre galaxies in the Extended Chandra Deep Field ...

  • Polytropic model fits to the globular cluster NGC 2419 in Modified Newtonian Dynamics 

    Ibata, Rodrigo, Antonio Sollima, Carlo Nipoti, Michele Bellazzini, et al. 2011. "Polytropic model fits to the globular cluster NGC 2419 in Modified Newtonian Dynamics." The Astrophysical Journal 743:43.
    We present an analysis of the globular cluster NGC 2419, using a polytropic model in Modified Newtonian Dynamics (MOND) to reproduce recently published high quality data of the structure and kinematics of the system. We ...

  • 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 ...

  • A Population of z > 2 Far-Infrared Herschel-Spire-selected Starbursts 

    Casey, C. M., S. Berta, M. Bethermin, J. Bock, et al. 2012. "A Population of z > 2 Far-Infrared Herschel-Spire-selected Starbursts" Astrophysical Journal 761(2): 139.
    No abstract available.

  • 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 ...

  • 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 ...

  • Radio galaxy selected clusters at high redshift and associated ERO overdensities 

    Chapman, S. C., P. McCarthy, and S. E. Persson. 2000. "Radio galaxy selected clusters at high redshift and associated ERO overdensities." The Astronomical Journal120(4): 1612-1625
    Galaxy clusters at high redshift present a superb opportunity to study galaxy evolution, with large galaxy samples at fixed distances. Several lines of evidence point towards large formation redshifts and passive evolution ...

  • Radio imaging of the Subaru/XMM-Newton Deep Field - III. Evolution of the radio luminosity function beyond z=1 

    Simpson, Chris, Steve Rawlings, Rob Ivision, Masayuki Akiyama, et al. 2012. "Radio imaging of the Subaru/XMM-Newton Deep Field - III. Evolution of the radio luminosity function beyond z=1." Monthly Notices of the Royal Astronomical Society 421:3060.
    We present spectroscopic and eleven-band photometric redshifts for galaxies in the 100-uJy Subaru/XMM-Newton Deep Field radio source sample. We find good agreement between our redshift distribution and that predicted by ...

  • The Recent Stellar Archeology of M31 - The Nearest Red Disk Galaxy 

    Davidge, T. J., A. W. McConnachie, M. A. Fardal, J. Fliri, et al. 2012. "The Recent Stellar Archeology of M31 - The Nearest Red Disk Galaxy." The Astrophysical Journal 751(1):74
    We examine the star-forming history (SFH) of the M31 disk during the past few hundred Myr. The luminosity functions (LFs) of main sequence stars at distances R_GC > 21 kpc (i.e. > 4 disk scale lengths) are matched by models ...

  • 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 ...

  • A Redshift Survey of Herschel Far-Infrared Selected Starbursts and Implications for Obscured Star Formation 

    Casey, C. M., S. Berta, M. Bethermin, J. Bock, et al. 2012. "A Redshift Survey of Herschel Far-Infrared Selected Starbursts and Implications for Obscured Star Formation." Astrophysical Journal 761(2): 140.
    No abstract available.

  • 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 ...

  • The Relationship Between Stellar and Black-Hole Mass in Submillimeter Galaxies 

    Borys, C., Ian Smail, S. C. Chapman, A. W. Blain, et al. 2005. "The Relationship Between Stellar and Black-Hole Mass in Submillimeter Galaxies." The Astrophysical Journal 635(2): 853-863
    We analyze deep X-ray, optical and mid-infrared Spitzer observations of the CDF-N/GOODS-N region to study 13 submillimeter-detected galaxies (SMGs) with spectroscopic redshifts (median z=2.2). We find a correlation between ...

  • 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 ...

  • 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 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, ...

  • Restframe Optical Spectroscopic Classifications for Submillimeter Galaxies 

    Takata, Tadafumi, Kazuhiro Sekiguchi, Ian Smail, Scott C. Chapman, et al. 2006. "Restframe Optical Spectroscopic Classifications for Submillimeter Galaxies." The Astrophysical Journal 651(2): 713-727
    We report the results of a systematic near-infrared spectroscopic survey using the Subaru, VLT and Keck Telescopes of a sample of high redshift Ultra-luminous Infrared Galaxies (ULIRGs) mainly composed of submillimeter-selected ...