Browsing by Author "Davis, T.A."

Now showing items 1-11 of 11

    • The ATLAS 3D project - XI : Dense molecular gas properties of CO-luminous early-type galaxies 

      Crocker, A.; Krips, M.; Bureau, M.; Young, L.M.; Davis, T.A.; Bayet, E.; Alatalo, K.; Blitz, L.; Bois, M.; Bournaud, F.; Cappellari, M.; Davies, R. L.; de Zeeuw, P.T.; Duc, P.A.; Emsellem, E.; Khochfar, S.; Krajnović, D.; Kuntschner, H.; Lablanche, Pierre-Yves; McDermid, Richard M.; Morganti, Raffaella; Naab, Thorsten; Oosterloo, Tom; Sarzi, Marc; Scott, N.; Serra, P.; Weijmans, Anne-Marie (2012-04)
      Surveying 18 12CO-bright galaxies from the ATLAS 3D early-type galaxy sample with the Institut de Radio Astronomie Millimétrique (IRAM) 30-m telescope, we detect 13CO(1-0) and 13CO(2-1) in all 18 galaxies, HCN(1-0) in 12/18 ...

    • The ATLAS project - IX. The merger origin of a fast- and a slow-rotating early-type galaxy revealed with deep optical imaging : First results 

      Duc, P.-A.; Ferriere, E.; Bournaud, F.; Cuillandre, J.-C.; Serra, P.; Morganti, R.; Oosterloo, T.; Michel-Dansac, L.; Bois, M.; Emsellem, E.; Lablanche, P.-Y.; Alatalo, K.; Blitz, L.; Bois, M.; de Zeeuw, P.T.; Emsellem, E.; Krajnović, D.; Bureau, M.; Cappellari, M.; Davies, R.L.; Davis, T.A.; Scott, N.; Khochfar, S.; Kuntschner, H.; McDermid, R.M.; Morganti, R.; Oosterloo, T.; Naab, T.; Sarzi, M.; Weijmans, A.-M.; Young, L.M. (2011-10-01)
      The mass assembly of galaxies leaves imprints in their outskirts, such as shells and tidal tails. The frequency and properties of such fine structures depend on the main acting mechanisms - secular evolution, minor or major ...

    • The ATLAS project - VIII. Modelling the formation and evolution of fast and slow rotator early-type galaxies within ΛCDM 

      Khochfar, S.; Emsellem, E.; Bois, M.; de Zeeuw, P.T.; Krajnović, D.; Emsellem, E.; Bois, M.; Bacon, R.; Lablanche, P.-Y.; Serra, P.; Morganti, R.; Oosterloo, T.; Alatalo, K.; Blitz, L.; Bournaud, F.; Oosterloo, T.; Bureau, M.; Cappellari, M.; Davies, R.L.; Davis, T.A.; Scott, N.; Duc, P.-A.; Kuntschner, H.; McDermid, R.M.; Morganti, R.; Naab, T.; Sarzi, M.; Weijmans, A.-M.; Young, L.M. (2011-10-01)
      We propose a simple model for the origin of fast and slow rotator early-type galaxies (ETG) within the hierarchical Λcold dark matter (ΛCDM) scenario, that is based on the assumption that the mass fraction of stellar discs ...

    • The ATLAS project - X. On the origin of the molecular and ionized gas in early-type galaxies 

      Davis, T.A.; Bureau, M.; Cappellari, M.; Davies, R.L.; Scott, N.; Alatalo, K.; Blitz, L.; Sarzi, M.; Young, L.M.; Serra, P.; Morganti, R.; Oosterloo, T.; Crocker, A.F.; Krajnović, D.; de Zeeuw, P.T.; Emsellem, E.; McDermid, R.M.; Bois, M.; Bournaud, F.; Duc, P.-A.; de Zeeuw, P.T.; Emsellem, E.; Lablanche, P.-Y.; Khochfar, S.; Kuntschner, H.; Morganti, R.; Oosterloo, T.; Naab, T.; Weijmans, A.-M. (2011-10-01)
      We make use of interferometric CO and Hi observations, and optical integral-field spectroscopy from the ATLAS survey, to probe the origin of the molecular and ionized interstellar medium (ISM) in local early-type galaxies. ...

    • The ATLAS3D project - XXVI : H I discs in real and simulated fast and slow rotators 

      Serra, Paolo; Oser, Ludwig; Krajnović, Davor; Naab, Thorsten; Oosterloo, Tom; Morganti, Raffaella; Cappellari, Michele; Emsellem, Eric; Young, L.M.; Blitz, Leo; Davis, T.A.; Duc, Pierre-Alain; Hirschmann, Michaela; Weijmans, Anne-Marie; Alatalo, Katherine; Bayet, Estelle; Bois, Maxime; Bournaud, Frederic; Bureau, Martin; Crocker, Alison F.; Davies, R.L.; de Zeeuw, P.T.; Khochfar, Sadegh; Kuntschner, Harald; Lablanche, Pierre-Yves; McDermid, Richard M.; Sarzi, Marc; Scott, Nicholas (2014-11-11)
      One quarter of all nearby early-type galaxies (ETGs) outside Virgo host a disc/ring of H I with size from a few to tens of kpc and mass up to ∼109 M⊙. Here we investigate whether this H I is related to the presence of a ...

    • The ATLAS3D project - XXVII : Cold gas and the colours and ages of early-type galaxies 

      Young, L.M.; Scott, Nicholas; Serra, Paolo; Alatalo, Katherine; Blitz, Leo; Bois, Maxime; Bournaud, Frederic; Bureau, Martin; Crocker, Alison F.; Cappellari, Michele; Davies, R.L.; Davis, T.A.; de Zeeuw, P.T.; Duc, Pierre-Alain; Emsellem, Eric; Khochfar, Sadegh; Krajnovic, Davor; Kuntschner, Harald; McDermid, Richard M.; Morganti, Raffaella; Naab, Thorsten; Oosterloo, Tom; Sarzi, Marc; Weijmans, Anne-Marie (2014-11-11)
      We present a study of the cold gas contents of the ATLAS3D early-type galaxies, in the context of their optical colours, near-ultraviolet colours and Hβ absorption line strengths. Early-type (elliptical and lenticular) ...

    • The ATLAS3D Project - XXVIII : Dynamically driven star formation suppression in early-type galaxies 

      Davis, T.A.; Young, L.M.; Crocker, Alison F.; Bureau, Martin; Blitz, Leo; Alatalo, Katherine; Emsellem, Eric; Naab, Thorsten; Bayet, Estelle; Bois, Maxime; Bournaud, Frederic; Cappellari, Michele; Davies, R.L.; de Zeeuw, P.T.; Duc, Pierre-Alain; Khochfar, Sadegh; Krajnović, Davor; Kuntschner, Harald; McDermid, Richard M.; Morganti, Raffaella; Oosterloo, Tom; Sarzi, Marc; Scott, Nicholas; Serra, Paolo; Weijmans, Anne-Marie (2014-11-11)
      We present measurements of the star formation rate (SFR) in the early-type galaxies (ETGs) of the ATLAS3D sample, based on Wide-field Infrared Survey Explorer (WISE) 22 μm and Galaxy Evolution Explorer far-ultraviolet ...

    • Discovery of an active galactic nucleus driven molecular outflow in the local early-type galaxy NGC 1266 

      Alatalo, K.; Blitz, L.; Young, L.M.; Davis, T.A.; Bureau, M.; Lopez, L.A.; Cappellari, M.; Scott, N.; Shapiro, K.; Crocker, A.; Martin, S.; Bois, M.; Bournaud, F.; Davies, R.L.; de Zeeuw, P.T.; Duc, P.A.; Emsellem, E.; Falcon-Barroso, J.; Knochfar, S.; Krajnovic, D.; Kuntschner, H.; Lablanche, P.-Y.; McDermid, R.M.; Morganti, R.; Naab, T.; Oosterloo, T.; Sarzi, Marc; Serra, P.; Weijmans, A. (2011)
      We report the discovery of a powerful molecular wind from the nucleus of the non-interacting nearby S0 field galaxy NGC 1266. The single-dish CO profile exhibits emission to +/- 400 km s(-1) and requires a nested Gaussian ...

    • Formation of slowly rotating early-type galaxies via major mergers: a resolution study 

      Bois, M.; Bournaud, F.; Emsellem, E.; Alatalo, K.; Blitz, L.; Bureau, M.; Cappellari, M.; Davies, R.L.; Davis, T.A.; de Zeeuw, P.T.; Duc, P.A.; Khochfar, S.; Krajnovic, D.; Kuntschner, H.; Lablanche, P.-Y.; McDermid, R.M.; Morganti, R.; Naab, T.; Oosterloo, T.; Sarzi, M.; Scott, N.; Serra, P.; Weijmans, A.; Young, L.M. (2010)
      We study resolution effects in numerical simulations of gas-rich and gas-poor major mergers, and show that the formation of slowly rotating elliptical galaxies often requires a resolution that is beyond the present-day ...

    • Investigating the merger origin of early-type galaxies using ultra-deep optical images 

      Duc, P.-A.; Bournaud, F.; Ferriere, E.; Cuillandre, J.-C.; Alatalo, K.; Blitz, L.; Bois, M.; Emsellem, E.; Lablanche, P.-Y.; Michel-Dansac, L.; Bureau, M.; Cappellari, M.; Davies, R.L.; Davis, T.A.; Scott, N.; Côté, P.; Ferrarese, L.; Gwyn, S.; MacArthur, L.; De Zeeuw, P.T.; Krajnovic, D.; Kuntschner, H.; Khochfar, S.; McDermid, R.M.; Morganti, R.; Oosterloo, T.; Serra, P.; Naab, T.; Sarzi, M.; Weijmans, A.; Young, L.M. (2010-12-01)
      The mass assembly of galaxies leaves various imprints on their surroundings, such as shells, streams and tidal tails. The frequency and properties of these fine structures depend on the mechanism driving the mass assembly: ...

    • Molecular gas and star formation in local early-type galaxies 

      Bureau, M.; Davis, T.A.; Cappellari, M.; Davies, R.L.; Scott, N.; Alatalo, K.; Blitz, L.; Crocker, A.F.; Young, L.M.; Combes, F.; Bois, M.; Emsellem, E.; Lablanche, P.-Y.; Bournaud, F.; De Zeeuw, P.T.; Krajnović, D.; Kuntschner, H.; Duc, P.-A.; Khochfar, S.; McDermid, R.M.; Morganti, R.; Oosterloo, T.; Serra, P.; Naab, T.; Sarzi, M.; Weijmans, A. (2010-12-01)
      The molecular gas content of local early-type galaxies is constrained and discussed in relation to their evolution. First, as part of the ATLAS survey, we present the first complete, large (260 objects), volume-limited ...