Browsing Physics & Atmospheric Science by Author "Rich, R. M."

Now showing items 1-7 of 7

  • The All-wavelength Extended Groth Strip International Survey (AEGIS) Data Sets 

    Davis, M.; Guhathakurta, P.; Konidaris, N.; Newman, J. A.; Ashby, M. L. N.; Biggs, A. D.; Barmby, P.; Bundy, K.; Chapman, S.; Coil, A. L.; Conselice, C.; Cooper, M.; Croton, D.; Eisenhardt, P.; Ellis, R.; Faber, S.; Fang, T.; Fazio, G. G.; Georgakakis, A.; Gerke, B.; Goss, W. M.; Gwyn, S.; Harker, J.; Hopkins, A.; Huang, J. -S; Ivison, R. J.; Kassin, S. A.; Kirby, E.; Koekemoer, A.; Koo, D. C.; Laird, E.; Floc'h, E. Le; Lin, L.; Lotz, J.; Marshall, P. J.; Martin, D. C.; Metevier, A.; Moustakas, L. A.; Nandra, K.; Noeske, K.; Papovich, C.; Phillips, A. C.; Rich, R. M.; Rieke, G. H.; Rigopoulou, D.; Salim, S.; Schiminovich, D.; Simard, L.; Smail, I.; Small, T. A.; Weiner, B.; Willmer, C. N. A.; Willner, S. P.; Wilson, G.; Wright, E.; Yan, R. (2007-05-01)
    In this the first of a series of Letters, we present a description of the panchromatic data sets that have been acquired in the Extended Groth Strip region of the sky. Our survey, the All-wavelength Extended Groth strip ...

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

    Koch, A.; Rich, R. M.; Reitzel, D. B.; Martin, N. F.; Ibata, R. A.; Chapman, S. C.; Majewski, S. R.; Mori, M.; Loh, Y. -S; Ostheimer, J. C.; Tanaka, M. (2007-11-28)
    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.; Ibata, R.; Irwin, M.; Koch, A.; Letarte, B.; Martin, N.; Collins, M.; Lewis, G. F.; McConnachie, A.; Penarrubia, J.; Rich, R. M.; Trethewey, D.; Ferguson, A. M. N.; Huxor, A.; Tanvir, N. (2008-10)
    (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.; Chapman, S. C.; Ibata, R. A.; Irwin, M. J.; Rich, R. M.; Ferguson, A. M. N.; Lewis, G. F.; Tanvir, N.; Koch, A. (2010-10-25)
    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 ...

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

    Collins, Michelle L. M.; Chapman, Scott C.; Rich, R. M.; Ibata, Rodrigo A.; Martin, Nicolas F.; Irwin, Michael J.; Bate, Nicholas F.; Lewis, Geraint F.; Peñarrubia, Jorge; Arimoto, Nobuo; Casey, Caitlin M.; Ferguson, Annette M. N.; Koch, Andreas; McConnachie, Alan W.; Tanvir, Nial (2013-09-12)
    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 ...

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

    Davidge, T. J.; McConnachie, A. W.; Fardal, M. A.; Fliri, J.; Valls-Gabaud, D.; Chapman, S. C.; Lewis, G. F.; Rich, R. M. (2012-03-27)
    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 ...

  • The scatter about the "Universal" dwarf spheroidal mass profile: A kinematic study of the M31 satellites, And V and And VI 

    Collins, M. L. M.; Chapman, S. C.; Rich, R. M.; Ibata, R. A.; Irwin, M. J.; Peñarrubia, J.; Arimoto, N.; Brooks, A. M.; Ferguson, A. M. N.; Lewis, G. F.; McConnachie, A. W.; Venn, K. (2011-03-10)
    While the satellites of the Milky Way (MW) have been shown to be largely consistent in terms of their mass contained within one half--light radius (M_{half}) with a "Universal" mass profile, a number of M31 satellites are ...