Browsing Chapman, Scott by Title

Now showing items 166-185 of 211

  • The SCUBA-2 Cosmology Legacy Survey: blank-field number counts of 450um-selected galaxies and their contribution to the cosmic infrared background 

    Geach, J. E., E. L. Chapin, K. E. K. Coppin, J. S. Dunlop, et al. 2012. "The SCUBA-2 Cosmology Legacy Survey: blank-field number counts of 450um-selected galaxies and their contribution to the cosmic infrared background." Monthly Notices of the Royal Astronomical Society 432:53.
    The first deep blank-field 450um map (1-sigma~1.3mJy) from the SCUBA-2 Cosmology Legacy Survey (S2CLS), conducted with the James Clerk Maxwell Telescope (JCMT) is presented. Our map covers 140 arcmin^2 of the COSMOS field, ...

  • 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 ...

  • The SCUBA-2 Cosmology Legacy Survey: Ultraluminous star-forming galaxies in a z=1.6 cluster 

    Smail, Ian, J. E. Geach, A. M. Swinbank, K. Tadaki, et al. 2013. "The SCUBA-2 Cosmology Legacy Survey: Ultraluminous star-forming galaxies in a z=1.6 cluster." The Astrophysical Journal 182(1): 19.
    We analyse new SCUBA-2 submillimeter and archival SPIRE far-infrared imaging of a z=1.62 cluster, Cl0218.3-0510, which lies in the UKIDSS/UDS field of the SCUBA-2 Cosmology Legacy Survey. Combining these tracers of obscured ...

  • 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 ...

  • A search for the submillimetre counterparts to Lyman break galaxies 

    Chapman, Scott C., Douglas Scott, Charles C. Steidel, Colin Borys, et al. 2002. "A search for the submillimetre counterparts to Lyman break galaxies." Monthly Notices of the Royal Astronomical Society 319(1): 318-330
    We have carried out targetted sub-mm observations as part of a programme to explore the connection between the rest-frame UV and far-IR properties of star-forming galaxies at high redshift, which is currently poorly ...

  • Search For Trapped Antihydrogen 

    Andresen, Gorm B., Mohammad D. Ashkezari, Marcelo Baquero-Ruiz, William Bertsche, et al. 2011. "Search For Trapped Antihydrogen." Physics Letters B, 695(1-4): 95-104
    We present the results of an experiment to search for trapped antihydrogen atoms with the ALPHA antihydrogen trap at the CERN Antiproton Decelerator. Sensitive diagnostics of the temperatures, sizes, and densities of the ...

  • SHARC-2 350 Micron Observations of Distant Submillimeter Selected Galaxies 

    Kovacs, A., S. C. Chapman, C. D. Dowell, A. W. Blain, et al. 2006. "SHARC-2 350 Micron Observations of Distant Submillimeter Selected Galaxies." The Astrophysical Journal 650(2): 592-603
    We present 350 micron observations of 15 Chapman et al. submillimeter galaxies (SMGs) with radio counterparts and optical redshifts. We detect 12 and obtain sensitive upper limits for three, providing direct, precise ...

  • Slicing The Monoceros Overdensity with Suprime-Cam 

    Conn, Blair C., Noelia E. D. Noël, Hans-Walter Rix, R. R. Lane, et al. 2012. "Slicing The Monoceros Overdensity with Suprime-Cam." The Astrophysical Journal 754:101.
    We derive distance, density and metallicity distribution of the stellar Monoceros Overdensity (MO) in the outer Milky Way, based on deep imaging with the Subaru Telescope. We applied CMD fitting techniques in three stripes ...

  • 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 spectroscopic survey of EC4, an Extended Cluster in Andromeda's halo 

    Collins, M. L. M., S. C. Chapman, M. Irwin, R. Ibata, et al. 2009. "A spectroscopic survey of EC4, an Extended Cluster in Andromeda's halo." Monthly Notices of the Royal Astronomical Society 396: 1619.
    We present a spectroscopic survey of candidate red giant branch stars in the extended star cluster, EC4, discovered in the halo of M31 from our CFHT/MegaCam survey, overlapping the tidal streams, Stream Cp and Stream Cr. ...

  • Spitzer identifications and classifications of submillimeter galaxies in giant, high-redshift Lyman-alpha emission-line nebulae 

    Geach, J. E., Ian Smail, S. C. Chapman, D. M. Alexander, et al. 2007. "Spitzer identifications and classifications of submillimeter galaxies in giant, high-redshift Lyman-alpha emission-line nebulae." The Astrophysical Journal 655(1): 9-L12
    Using Spitzer Space Telescope IRAC (3.6-8um) and MIPS (24um) imaging, as well as Hubble Space Telescope optical observations, we identify the IRAC counterparts of the luminous power sources residing within the two largest ...

  • The Spitzer Space Telescope Extra-Galactic First Look Survey: 24 micron data reduction, catalog, and source identification 

    Fadda, Dario, F. R. Marleau, L. J. Storrie-Lombardi, D. Makovoz, et al. 2006. "The Spitzer Space Telescope Extra-Galactic First Look Survey: 24 micron data reduction, catalog, and source identification." The Astronomical Journal 131(6): 2859-2876
    We present the reduction of the 24 micron data obtained during the first cosmological survey performed by the Spitzer Space Telescope (First Look Survey, FLS). The survey consists of a shallow observation of 2.5x2 sq deg ...

  • 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 ...

  • The Star Formation History and Dust Content in the Far Outer Disc of M31 

    Bernard, Edouard J., Annette M. N. Ferguson, Michael K. Barker, Sebastian L. Hidalgo, et al. 2011. "The Star Formation History and Dust Content in the Far Outer Disc of M31." Monthly Notices of the Royal Astronomical Society 420: 2625.
    We present a detailed analysis of two fields located 26 kpc (~5 scalelengths) from the centre of M31. One field samples the major axis populations--the Outer Disc field--while the other is offset by ~18' and samples the ...

  • The stellar halo and outer disk of M33 

    McConnachie, Alan W., Scott C. Chapman, Rodrigo A. Ibata, Annette M. N. Ferguson, et al. 2006. "The stellar halo and outer disk of M33." The Astrophysical Journal 647(1): 25-L28
    We present first results from a Keck/DEIMOS spectroscopic survey of red giant branch (RGB) stars in M33. The radial velocity distributions of the stars in our fields are well described by three Gaussian components, ...

  • The Stellar Mass Content of Submillimeter-Selected Galaxies 

    Hainline, L. J., A. W. Blain, I. Smail, D. M. Alexander, et al. 2010. "The Stellar Mass Content of Submillimeter-Selected Galaxies." The Astrophysical Journal 740:96.
    We present a new study of the stellar mass in a sample of ~ 70 submillimeter-selected galaxies (SMGs) with accurate spectroscopic redshifts. We fit combinations of stellar population synthesis models and power laws to the ...

  • Strangers in the night: Discovery of a dwarf spheroidal galaxy on its first Local Group infall 

    Chapman, S. C., J. Penarrubia, R. Ibata, A. McConnachie, et al. 2007. "Strangers in the night: Discovery of a dwarf spheroidal galaxy on its first Local Group infall." The Astrophysical Journal 662(2): 79-L82
    We present spectroscopic observations of the AndXII dwarf spheroidal galaxy using DEIMOS/Keck-II, showing it to be moving rapidly through the Local Group (-556 km/s heliocentric velocity, -281 km/s relative to Andromeda ...

  • The structure of star clusters in the outer halo of M31 

    Tanvir, N. R., A. D. Mackey, A. M. N. Ferguson, A. P. Huxor, et al. 2012. "The structure of star clusters in the outer halo of M31." Monthly Notices of the Royal Astronomical Society 422:162.
    We present a structural analysis of halo star clusters in M31 based on deep Hubble Space Telescope (HST) Advanced Camera for Surveys (ACS) imaging. The clusters in our sample span a range in galactocentric projected distance ...

  • Sub-mm and near-IR observations of galaxies selected at 170 microns 

    Sajina, A., C. Borys, S. Chapman, H. Dole, et al. 2003. "Sub-mm and near-IR observations of galaxies selected at 170 microns." Monthly Notices of the Royal Astronomical Society 343(4): 1365-1375
    We present results from JCMT sub-mm observations of sources selected from the {\sl ISO} FIRBACK (Far-IR BACKground) survey, along with UKIRT near-IR imaging of a sub-sample. This gives valuable insight into the brightest ...

  • Submillimeter Galaxies at z 2: Evidence for Major Mergers & Constraints on Lifetimes, IMF and CO-H2 Conversion Factor 

    Tacconi, L. J., R. Genzel, I. Smail, R. Neri, et al. 2008. "Submillimeter Galaxies at z 2: Evidence for Major Mergers & Constraints on Lifetimes, IMF and CO-H2 Conversion Factor." The Astrophysical Journal 680(1): 246-262
    We report sub-arcsecond resolution IRAM PdBI millimeter CO interferometry of four z~2 submillimeter galaxies (SMGs), and sensitive CO (3-2) flux limits toward three z 2 UV-/optically selected star forming galaxies. The new ...