Browsing Chapman, Scott by Title

Now showing items 118-137 of 211

  • The nature and origin of substructure in the outskirts of M31. I. Surveying the stellar content with the hubble space telescope advanced camera for surveys 

    Richardson J.C., Ferguson A.M.N., Johnson R.A., Irwin M.J., Faria D.C., Chapman S.C., Tanvir N.R., Ibata R.A., Johnston K.V., Lewis G.F.,McConnachie A.W.,. 2008. "The nature and origin of substructure in the outskirts of M31. I. Surveying the stellar content with the hubble space telescope advanced camera for surveys." Astron.J.Astronomical Journal 135(6): 1998-2012.
    No abstract available.

  • The nature of a gravitationally lensed sub-millimetre arc in MS0451.6-0305: two interacting galaxies at z~2.9? 

    Borys, C., S. C. Chapman, M. Donahue, G. Fahlman, et al. 2004. "The nature of a gravitationally lensed sub-millimetre arc in MS0451.6-0305: two interacting galaxies at z~2.9?." Monthly Notices of the Royal Astronomical Society 352(3): 759-767
    We present a new SCUBA image of the cluster MS0451.6-0305, which exhibits strong, extended sub-mm flux at 850 microns. The most striking feature in the map is an elongated region of bright sub-mm emission, with a flux ...

  • The nature of the bright submillimeter galaxy population: a radio pre-selected sample with I>25 

    Chapman, S. C., E. Richards, G. Lewis, G. Wilson, et al. 2001. "The nature of the bright submillimeter galaxy population: a radio pre-selected sample with I>25." The Astrophysical Journal 548(2): 147-L151
    Deep submillimetre surveys have successfully detected distant, star-forming galaxies, enshrouded in vast quantities of dust and which emit most of their energy at far infrared wavelengths. These luminous galaxies are an ...

  • Near-IR adaptive optics imaging of nuclear spiral structure in the Seyfert galaxy, NGC3227 

    Chapman, Scott C., Simon L. Morris, and Gordon A. H. Walker. 2002. "Near-IR adaptive optics imaging of nuclear spiral structure in the Seyfert galaxy, NGC3227." Monthly Notices of the Royal Astronomical Society 319(3): 666-676
    We present high spatial resolution, near-IR images in J, H, K of the nucleus of NGC3227, obtained with the Adaptive Optics bonnette on CFHT. The ~0.15 arcsec (17pc) resolution allows structures to be probed in the core ...

  • News from the Galactic suburbia: the chemical composition of the remote globular cluster NGC 2419 

    Mucciarelli, A., M. Bellazzini, R. Ibata, T. Merle, et al. 2012. "News from the Galactic suburbia: the chemical composition of the remote globular cluster NGC 2419." Monthly Notices of the Royal Astronomical Society 426:2889.
    We present the chemical analysis of 49 giant stars of the globular cluster NGC 2419, using medium resolution spectra collected with the multi-object spectrograph DEIMOS@Keck. Previous analysis of this cluster revealed a ...

  • The next generation virgo cluster survey (NGVS). I. Introduction to the survey 

    Ferrarese, L., P. Cote, J. -C Cuillandre, S. D. J. Gwyn, et al. 2012. "The next generation virgo cluster survey (NGVS). I. Introduction to the survey." The Astrophysical Journal 200(1): 4.
    No abstract available.

  • Non Axi-symmetric Anisotropy of Solar Wind Turbulence 

    Turner, A. J., G. Gogoberidze, S. C. Chapman, B. Hnat, et al. 2011. "Non Axi-symmetric Anisotropy of Solar Wind Turbulence." 107(9)
    A key prediction of turbulence theories is frame-invariance, and in magnetohydrodynamic (MHD) turbulence, axisymmetry of fluctuations with respect to the background magnetic field. Paradoxically the power in fluctuations ...

  • The nucleus of the Sagittarius dSph galaxy and M54: a window on the process of galaxy nucleation 

    Bellazzini, M., R. A. Ibata, S. C. Chapman, A. D. Mackey, et al. 2008. "The nucleus of the Sagittarius dSph galaxy and M54: a window on the process of galaxy nucleation." The Astronomical Journal 136(3): 1147-1170
    We present the results of a thorough study of the nucleus of the Sgr dwarf spheroidal galaxy and of the bright globular cluster M54 that resides within the same nucleus (Sgr,N). We have obtained accurate radial velocities ...

  • Obscured and unobscured active galactic nuclei in the Spitzer Space Telescope First Look Survey 

    Lacy, M., L. J. Storrie-Lombardi, A. Sajina, P. N. Appleton, et al. 2004. "Obscured and unobscured active galactic nuclei in the Spitzer Space Telescope First Look Survey." The Astrophysical Journal 154(1): 166-169
    Selection of active galactic nuclei (AGN) in the infrared allows the discovery of AGN whose optical emission is extinguished by dust. In this paper, we use the Spitzer Space Telescope First Look Survey (FLS) to assess what ...

  • Observing Cold Gas in Submillimeter Galaxies: Detection of CO(1-0) Emission in SMM J13120+4242 with the Green Bank Telescope 

    Hainline, L. J., A. W. Blain, T. R. Greve, S. C. Chapman, et al. 2006. "Observing Cold Gas in Submillimeter Galaxies: Detection of CO(1-0) Emission in SMM J13120+4242 with the Green Bank Telescope." The Astrophysical Journal 650(2): 614-623
    We report the first detection of CO(1-0) emission from a submillimeter-selected galaxy, using the Green Bank Telescope. We identify the line in the spectrum of SMM J13120+4242 as a broad emission feature at z=3.408, with ...

  • On the accretion origin of a vast extended stellar disk around the Andromeda galaxy 

    Ibata, R., S. Chapman, A. M. N. Ferguson, G. Lewis, et al. 2005. "On the accretion origin of a vast extended stellar disk around the Andromeda galaxy." The Astrophysical Journal 634(1): 287-313
    We present the discovery of an inhomogenous, low-surface brightness, extended disk-like structure around the Andromeda galaxy (M31) based on a large kinematic survey of more than 2800 stars with the Keck/DEIMOS spectrograph. ...

  • Optical and Near-Infrared Integral Field Spectroscopy of the SCUBA Galaxy N2-850.4 

    Swinbank, Mark, Ian Smail, Richard Bower, Colin Borys, et al. 2005. "Optical and Near-Infrared Integral Field Spectroscopy of the SCUBA Galaxy N2-850.4." Monthly Notices of the Royal Astronomical Society 359(2): 401-407
    We present optical and near-infrared integral field spectroscopy of the SCUBA galaxy SMM J163650.43+405734.5 (ELAIS N2 850.4) at z=2.385. We combine Ly-alpha and H-alpha emission line maps and velocity structure with high ...

  • Optically faint counterparts to the ISO-FIRBACK 170 micron population: the discovery of cold, luminous galaxies at high redshift 

    Chapman, S. C., I. Smail, R. J. Ivison, G. Helou, et al. 2002. "Optically faint counterparts to the ISO-FIRBACK 170 micron population: the discovery of cold, luminous galaxies at high redshift." The Astrophysical Journal 573(1): 66-74
    We present Keck spectroscopy and UKIRT near-IR imaging observations of two 170micron-selected sources from the ISO-FIRBACK survey which have faint counterparts in the optical, and r-K~5. Both sources were expected to lie ...

  • The origin of [Fe II] emission in NGC 4151 

    Turner, James E. H., Jeremy Allington-Smith, Scott Chapman, Robert Content, et al. 2002. "The origin of [Fe II] emission in NGC 4151." Monthly Notices of the Royal Astronomical Society 331(2): 284-292
    The centre of NGC 4151 has been observed in the J-band with the SMIRFS integral field unit (IFU) on the UK Infrared Telescope. A map of [Fe II] emission is derived, and compared with the distributions of the optical narrow ...

  • 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 ...