Now showing items 231-250 of 532

  • 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) ...
  • 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 ...
  • Large surface radiative forcing from topographic blowing snow residuals measured in the High Arctic at Eureka 

    Lesins, G., L. Bourdages, T. J. Duck, J. R. Drummond, et al. 2009. "Large surface radiative forcing from topographic blowing snow residuals measured in the High Arctic at Eureka." Atmospheric Chemistry and Physics 9(6): 1847-1862.
    No abstract available.
  • Large surface radiative forcing from topographic blowing snow residuals measured in the High Arctic at Eureka 

    Lesins, G., L. Bourdages, T. J. Duck, J. R. Drummond, et al. 2009. "Large surface radiative forcing from topographic blowing snow residuals measured in the High Arctic at Eureka." Atmospheric Chemistry and Physics 9(6): 1847-1862.
    No abstract available.
  • Large-scale enhancements in NO/NOy from subsonic aircraft emissions: Comparisons with observations 

    Witte, JC, IA Folkins, J. Neima, BA Ridley, et al. 1997. "Large-scale enhancements in NO/NOy from subsonic aircraft emissions: Comparisons with observations." Journal of Geophysical Research-Atmospheres 102(D23): 28169-28175.
    No abstract available.
  • 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 ...