Browsing Chapman, Scott by Title

Now showing items 90-109 of 211

  • A Keck/DEIMOS Kinematic Study of Andromeda IX: dark matter on the smallest galactic scales 

    Chapman, Scott C., Rodrigo Ibata, Geraint F. Lewis, Annette M. N. Ferguson, et al. 2005. "A Keck/DEIMOS Kinematic Study of Andromeda IX: dark matter on the smallest galactic scales." The Astrophysical Journal 632(2): 87-L90
    We present the results of a kinematic survey of the dwarf spheroidal satellite of M31, And-IX, which appears to be the lowest surface brightness and also the faintest galaxy (M_V = -8.3) found to date. Using Keck/DEIMOS ...

  • Kinematic and Chemical constraints on the formation of M31's inner and outer halo 

    Koch, A., R. M. Rich, D. B. Reitzel, N. F. Martin, et al. 2007. "Kinematic and Chemical constraints on the formation of M31's inner and outer halo." The Astrophysical Journal 689 (2):958
    The halo of M31 shows a wealth of substructures that are consistent with satellite accretion. Here we report on kinematic and abundance results from Keck/DEIMOS spectroscopy in the calcium triplet region of over 3500 red ...

  • The kinematic footprints of five stellar streams in Andromeda's halo 

    Chapman, S. C., R. Ibata, M. Irwin, A. Koch, et al. 2008. "The kinematic footprints of five stellar streams in Andromeda's halo." Monthly Notices of the Royal Astronomical Society 390(4): 1437
    (abridged) We present a spectroscopic analysis of five stellar streams (`A', `B', `Cr', `Cp' and `D') as well as the extended star cluster, EC4, which lies within streamC, all discovered in the halo of M31 from our ...

  • The kinematic identification of a thick stellar disc in M31 

    Collins, M. L. M., S. C. Chapman, R. A. Ibata, M. J. Irwin, et al. 2010. "The kinematic identification of a thick stellar disc in M31." Monthly Notices of the Royal Astronomical Society 413:1548.
    We present the first characterization of a thick disc component in the Andromeda galaxy (M31) using kinematic data from the DEIMOS multi-object spectrograph instrument on Keck II. Using 21 fields in the South West of the ...

  • A kinematic study of the Andromeda dwarf spheroidal system 

    Collins, Michelle L. M., Scott C. Chapman, R. Michael Rich, Rodrigo A. Ibata, et al. 2013. "A kinematic study of the Andromeda dwarf spheroidal system."Astrophysical Journal 768(2):36.
    We present a homogeneous kinematic analysis of red giant branch stars within 18 of the 28 Andromeda dwarf spheroidal (dSph) galaxies, obtained using the Keck I LRIS and Keck II DEIMOS spectrographs. Based on their g-i ...

  • A kinematically selected, metal-poor stellar halo in the outskirts of M31 

    Chapman, S. C., R. Ibata, G. F. Lewis, A. M. N. Ferguson, et al. 2006. "A kinematically selected, metal-poor stellar halo in the outskirts of M31." The Astrophysical Journal 653(1): 255-266
    We present evidence for a metal-poor, [Fe/H]$\sim-1.4$ $\sigma$=0.2 dex, stellar halo component detectable at radii from 10 kpc to 70 kpc, in our nearest giant spiral neighbor, the Andromeda galaxy. This metal-poor sample ...

  • 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. ...

  • A LABOCA survey of the Extended Chandra Deep Field South - submillimeter properties of near-IR selected galaxies 

    Greve, T. R., A. Weiss, F. Walter, I. Smail, et al. 2009. "A LABOCA survey of the Extended Chandra Deep Field South - submillimeter properties of near-IR selected galaxies." The Astrophysical Journal 719(1): 483.
    Using the 330hr ESO-MPG 870-micron survey of the Extended Chandra Deep Field South (ECDF-S) obtained with the Large Apex BOlometer CAmera (LABOCA) on the Atacama Pathfinder EXperiment (APEX), we have carried out a stacking ...

  • The LABOCA survey of the Extended Chandra Deep Field South: A photometric redshift survey of submillimetre galaxies 

    Wardlow, J. L., Ian Smail, K. E. K. Coppin, D. M. Alexander, et al. 2010. "The LABOCA survey of the Extended Chandra Deep Field South: A photometric redshift survey of submillimetre galaxies." Monthly Notices of the Royal Astronomical Society 415:1479.
    [abridged] We derive photometric redshifts from 17-band optical to mid-IR photometry of 74 robust counterparts to 68 of the 126 submillimetre galaxies (SMGs) selected at 870um by LABOCA observations in the ECDFS. The median ...

  • The LABOCA Survey of the Extended Chandra Deep Field South: Clustering of submillimetre galaxies 

    Hickox, Ryan C., J. L. Wardlow, Ian Smail, A. D. Myers, et al. 2011. "The LABOCA Survey of the Extended Chandra Deep Field South: Clustering of submillimetre galaxies." Monthly Notices of the Royal Astronomical Society 421:284.
    We present a measurement of the spatial clustering of submillimetre galaxies (SMGs) at z = 1-3. Using data from the 870 micron LESS survey, we employ a novel technique to measure the cross-correlation between SMGs and ...

  • The LABOCA survey of the Extended Chandra Deep Field South: Two modes of star formation in AGN hosts? 

    Lutz, D., V. Mainieri, D. Rafferty, L. Shao, et al. 2010. "The LABOCA survey of the Extended Chandra Deep Field South: Two modes of star formation in AGN hosts?." The Astrophysical Journal 712(2):1287.
    We study the co-existence of star formation and AGN activity in X-ray selected AGN by analyzing stacked 870um submm emission from a deep and wide map of the Extended Chandra Deep Field South, obtained with LABOCA at the ...

  • THE LARGE APEX BOLOMETER CAMERA SURVEY OF THE EXTENDED CHANDRA DEEP FIELD SOUTH 

    Wei, A., A. Kovacs, K. Coppin, T.R. Greve, et al. 2009. "THE LARGE APEX BOLOMETER CAMERA SURVEY OF THE EXTENDED CHANDRA DEEP FIELD SOUTH." The Astrophysical journal. 707(2): 1201.
    No abstract available.

  • Large gas reservoirs and free-free emission in two lensed star-forming galaxies at z=2.7 

    Aravena, M., E. J. Murphy, J. E. Aguirre, M. L. N. Ashby, et al. 2013. "Large gas reservoirs and free-free emission in two lensed star-forming galaxies at z=2.7." Monthly Notices of the Royal Astronomical Society 433(1):498
    We report the detection of CO(1-0) line emission in the bright, lensed star-forming galaxies SPT-S 233227-5358.5 (z=2.73) and SPT-S 053816-5030.8 (z=2.78), using the Australia Telescope Compact Array (ATCA). Both galaxies ...

  • The large-scale structure of the halo of the Andromeda Galaxy Part I: global stellar density, morphology and metallicity properties 

    Ibata, Rodrigo A., Geraint F. Lewis, Alan W. McConnachie, Nicolas F. Martin, et al. 2013. "The large-scale structure of the halo of the Andromeda Galaxy Part I: global stellar density, morphology and metallicity properties." The Astrophysical Journal780(2):128
    We present an analysis of the large-scale structure of the halo of the Andromeda galaxy, based on the Pan-Andromeda Archeological Survey (PAndAS), currently the most complete map of resolved stellar populations in any ...

  • LBQS 0103-2753: A Binary Quasar in a Major Merger 

    Shields, G. A., D. J. Rosario, V. Junkkarinen, S. C. Chapman, et al. 2011. "LBQS 0103-2753: A Binary Quasar in a Major Merger." The Astrophysical Journal 744(2):151
    We present HST and UKIRT spectra and images of the 2 kpc binary quasar LBQS 0103-2753 (z=0.858). The HST images (V- and I-band) show tidal features demonstrating that this system is a major galaxy merger in progress. A ...

  • The Link between Submillimetre Galaxies and Luminous Ellipticals: Near-Infrared IFU Spectroscopy of Submillimetre Galaxies 

    Swinbank, Mark, Chapman, , Ian Smail, et al. 2006. "The Link between Submillimetre Galaxies and Luminous Ellipticals: Near-Infrared IFU Spectroscopy of Submillimetre Galaxies." Monthly Notices of the Royal Astronomical Society 371:465.
    We present two-dimensional spectroscopy covering the rest-frame wavelengths of strong optical emission lines in six luminous submillimetre galaxies at z=1.3--2.5. Together with HST ACS and NICMOS imaging we map the dynamics ...

  • Luminous Starbursts in the Redshift Desert at z 1-2: Star Formation Rates, Masses & Evidence for Outflows 

    Banerji, Manda, Scott C. Chapman, Ian Smail, S. Alaghband-Zadeh, et al. 2011. "Luminous Starbursts in the Redshift Desert at z 1-2: Star Formation Rates, Masses & Evidence for Outflows." Monthly Notices of the Royal Astronomical Society 418:1071.
    We present a spectroscopic catalogue of 40 luminous starburst galaxies at z=0.7--1.7 (median z=1.3). 19 of these are submillimetre galaxies (SMGs) and 21 are submillimetre-faint radio galaxies (SFRGs). This sample helps ...

  • The M33 Globular Cluster System with PAndAS Data: The Last Outer Halo Cluster? 

    Cockcroft, Robert, William E. Harris, Annette M. N. Ferguson, Avon Huxor, et al. 2011. "The M33 Globular Cluster System with PAndAS Data: The Last Outer Halo Cluster?." The Astrophysical Journal 730: 112.
    We use CFHT/MegaCam data to search for outer halo star clusters in M33 as part of the Pan-Andromeda Archaeological Survey (PAndAS). This work extends previous studies out to a projected radius of 50 kpc and covers over 40 ...

  • Mapping the Clumpy Structures within Submillimeter Galaxies using Laser-Guide Star Adaptive Optics Spectroscopy 

    Menéndez-Delmestre, Karín, Andrew W. Blain, Mark Swinbank, Ian Smail, et al. 2013. "Mapping the Clumpy Structures within Submillimeter Galaxies using Laser-Guide Star Adaptive Optics Spectroscopy." The Astrophysical Journal 767(2):151
    We present the first integral-field spectroscopic observations of high-redshift submillimeter-selected galaxies (SMGs) using Laser Guide Star Adaptive Optics (LGS-AO). We target H-alpha emission of three SMGs at redshifts ...

  • The masses of Local Group dwarf spheroidal galaxies: The death of the universal mass profile 

    Collins, Michelle L. M., Scott C. Chapman, R. M. Rich, Rodrigo A. Ibata, et al. 2013. "The masses of Local Group dwarf spheroidal galaxies: The death of the universal mass profile." The Astrophysical Journal 783(1):7.
    We investigate the claim that all dwarf spheroidal galaxies (dSphs) reside within halos that share a common, universal mass profile as has been derived for dSphs of the Galaxy. By folding in kinematic information for 25 ...