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Now showing items 1459-1478 of 24049

    • The ATLAS(3D) project-XIII. : mass and morphology of HI in early-type galaxies as a function of environment 

      Serra, Paolo; Oosterloo, Tom; Morganti, Raffaella; Alatalo, Katherine; Blitz, Leo; Bois, Maxime; Bournaud, Frederic; Bureau, Martin; Cappellari, Michele; Crocker, Alison F.; Davies, Roger L.; Davis, Timothy A.; de Zeeuw, P. T.; Duc, Pierre-Alain; Emsellem, Eric; Khochfar, Sadegh; Krajnovic, Davor; Kuntschner, Harald; Lablanche, Pierre-Yves; McDermid, Richard M.; Naab, Thorsten; Sarzi, Marc; Scott, Nicholas; Trager, Scott C.; Weijmans, Anne-Marie; Young, Lisa M. (2012-05)
      We present the ATLAS3D H i survey of a volume-limited, complete sample of 166 nearby early-type galaxies (ETGs) brighter than MK=-21.5. The survey is mostly based on data taken with the Westerbork Synthesis Radio Telescope, ...

    • The ATLAS3D project - XXIV : The intrinsic shape distribution of early-type galaxies 

      Weijmans, Anne-Marie; De Zeeuw, P.T.; Emsellem, Eric; Krajnović, Davor; Lablanche, Pierre-Yves; Alatalo, Katherine; Blitz, Leo; Bois, Maxime; Bournaud, Frédéric; Bureau, Martin; Cappellari, Michele; Crocker, Alison F.; Davies, Roger L.; Davis, Timothy A.; Duc, Pierre-Alain; Khochfar, Sadegh; Kuntschner, Harald; McDermid, Richard M.; Morganti, Raffaella; Naab, Thorsten; Oosterloo, Tom; Sarzi, Marc; Scott, Nicholas; Serra, Paolo; Kleijn, Gijs Verdoes; Young, Lisa M. (2014-11-11)
      We use the ATLAS<sup>3D</sup> sample to perform a study of the intrinsic shapes of early-type galaxies, taking advantage of the available combined photometric and kinematic data. Based on our ellipticity measurements from ...

    • The ATLAS3D project - XXIX : The new look of early-type galaxies and surrounding fields disclosed by extremely deep optical images 

      Duc, Pierre-Alain; Cuillandre, Jean Charles; Karabal, Emin; Cappellari, Michele; Alatalo, Katherine; Blitz, Leo; Bournaud, Frédéric; Bureau, Martin; Crocker, Alison F.; Davies, Roger L.; Davis, Timothy; de Zeeuw, P.T.; Emsellem, Eric; Khochfar, Sadegh; Krajnović, Davor; Kuntschner, Harald; Mcdermid, Richard M.; Michel-Dansac, Leo; Morganti, Raffaella; Naab, Thorsten; Oosterloo, Tom; Paudel, Sanjaya; Sarzi, Marc; Scott, Nicholas; Serra, Paolo; Weijmans, Anne-Marie; Young, Lisa M. (2015-01)
      Galactic archaeology based on star counts is instrumental to reconstruct the past mass assembly of Local Group galaxies. The development of new observing techniques and data reduction, coupled with the use of sensitive ...

    • The ATLAS3D project - XXV : Two-dimensional kinematic analysis of simulated galaxies and the cosmological origin of fast and slow rotators 

      Naab, Thorsten; Oser, L.; Emsellem, E.; Cappellari, Michele; Krajnović, D.; McDermid, Richard M.; Alatalo, Katherine; Bayet, Estelle; Blitz, L.; Bois, M.; Bournaud, Frederic; Bureau, M.; Crocker, A.; Davies, R. L.; Davis, T. A.; de Zeeuw, P.T.; Duc, P.A.; Hirschmann, Michaela; Johansson, P. H.; Khochfar, S.; Kuntschner, H.; Morganti, R.; Oosterloo, T.; Sarzi, Marc; Scott, N.; Serra, P.; van de Ven, G.; Weijmans, A.; Young, Lisa M. (2014-11-11)
      We present a detailed two-dimensional stellar dynamical analysis of a sample of 44 cosmological hydrodynamical simulations of individual central galaxies with stellar masses of 2 × 1010 M⊙ ≲ M* ≲ 6 × 1011 M⊙. Kinematic ...

    • 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 ...

    • The ATLAS3D project - XXX : Star formation histories and stellar population scaling relations of early-type galaxies 

      McDermid, Richard M.; Alatalo, Katherine; Blitz, Leo; Bournaud, Frédéric; Bureau, Martin; Cappellari, Michele; Crocker, Alison F.; Davies, Roger L.; Davis, Timothy A.; de Zeeuw, P.T.; Duc, Pierre-Alain; Emsellem, Eric; Khochfar, Sadegh; Krajnović, Davor; Kuntschner, Harald; Morganti, Raffaella; Naab, Thorsten; Oosterloo, Tom; Sarzi, Marc; Scott, Nicholas; Serra, Paolo; Weijmans, Anne-Marie; Young, Lisa M. (2015-04-21)

    • ATLASGAL - environments of 6.7 GHz methanol masers 

      Urquhart, J.S.; Moore, T.J.T.; Schuller, F.; Wyrowski, F.; Menten, K. M.; Thompson, M. A.; Csengeri, T.; Walmsley, C.M.; Bronfman, L.; König, C. (2013-05-01)
      Using the 870 micron APEX Telescope large area survey of the Galaxy, we have identified 577 submillimetre continuum sources with masers from the methanol multibeam survey in the region 280deg lt ell lt 20deg; |b| lt 1deg.5 ...

    • ATLASGAL - properties of a complete sample of Galactic clumps 

      Urquhart, J.S.; Koenig, C.; Giannetti, A.; Leurini, S.; Moore, T. J. T.; Eden, D.~J.; Pillai, T.; Thompson, M. A.; Braiding, C.; Burton, M. G.; Csengeri, T.; Dempsey, J. T.; Figura, C.C.; Froebrich, D.; Menten, K.~M.; Schuller, F.; Smith, M. D.; Wyrowski, F. (2018-01-01)
      The APEX Telescope Large Area Survey of the Galaxy (ATLASGAL) is an unbiased 870 μm submillimetre survey of the inner Galactic plane (|ℓ| < 60° with |b| < 1.°5). It is the largest and most sensitive ground-based submillimetre ...

    • ATLASGAL - towards a complete sample of massive star forming clumps 

      Urquhart, J.S.; Moore, T. J. T.; Csengeri, T.; Wyrowski, F.; Schuller, F.; Hoare, M.G.; Lumsden, S. L.; Mottram, J. C.; Thompson, M.A.; Menten, K. M.; Walmsley, C.M.; Bronfman, L.; Pfalzner, S.; König, C.; Wienen, M. (2014-09-11)
      By matching infrared-selected, massive young stellar objects (MYSOs) and compact HII regions in the Red MSX Source survey to massive clumps found in the submillimetre ATLASGAL (APEX Telescope Large Area Survey of the Galaxy) ...

    • ATLASGAL -- physical parameters of dust clumps associated with 6.7 GHz methanol masers 

      Billington, S. J.; Urquhart, J. S.; Konig, C.; Moore, T. J. T.; Eden, D. J.; Breen, S. L.; Kim, W. -J.; Thompson, M. A.; Ellingsen, S. P.; Menten, K. M.; Wyrowski, F.; Leurini, S. (2019-12-01)
      We have constructed the largest sample of dust-associated class II 6.7 GHz methanol masers yet obtained. New measurements from the the Methanol MultiBeam (MMB) Survey were combined with the 870 $\mu$m APEX Telescope Large ...

    • ATLASGAL -- Relationship between dense star forming clumps and interstellar masers 

      Billington, S. J.; Urquhart, J. S.; König, C.; Beuther, H.; Breen, S. L.; Menten, K. M.; Campbell-White, J.; Ellingsen, S. P.; Thompson, M. A.; Moore, T. J. T.; Eden, D. J.; Kim, W. -J.; Leurini, S. (2020-09-29)
      We have used catalogues from several Galactic plane surveys and dedicated observations to investigate the relationship between various maser species and Galactic star forming clumps, as identified by the ATLASGAL survey. ...

    • ATLASGAL --- Molecular fingerprints of a sample of massive star forming clumps 

      Urquhart, J. S.; Figura, C.; Wyrowski, F.; Giannetti, A.; Kim, W. -J.; Wienen, M.; Leurini, S.; Pillai, T.; Csengeri, T.; Gibson, S. J.; Menten, K.; Moore, T. J. T.; Thompson, M. A. (2019-04-21)
      We have conducted a 3-mm molecular-line survey towards 570 high-mass star-forming clumps, using the Mopra telescope. The sample is selected from the 10 000 clumps identified by the ATLASGAL (APEX Telescope Large Area Survey ...

    • ATM automation: guidance on human technology integration 

      Amaldi, Paola; Quercioli, Monica (CAA UK, 2016-03-01)
      Human interaction with technology and automation is a key area of interest to industry and safety regulators alike. In February 2014, a joint CAA/industry workshop considered perspectives on present and future implementation ...

    • Atmospheric aerosol characterization combining multi-wavelength Raman Lidar and MAX-DOAS measurements in Gwanjgu 

      Chong, Jihyo; Shin, Dong Ho; Kim, Kwan Chul; Lee, Kwon-Ho; Shin, Sungkyun; Noh, Y. M.; Mueller, D.; Kim, Young J. (SPIE, 2011)
      Integrated approach has been adopted at the ADvanced Environmental Research Center (ADEMRC), Gwangju Institute of Science and Technology (GIST), Korea for effective monitoring of atmospheric aerosol. Various active and ...

    • Atmospheric dust charging, vertical profiles, and optical properties measured in the Arabian Peninsula during the DREAME campaign 

      Ulanowski, Joseph; Sabbah, Ismail; Harrison, R.G.; Nicoll, K.A.; Hirst, Edwin; Kaye, Paul H.; Al-Abbadi, Naif; Rogers, George (2010)
      Polarimetric observations of atmospheric Saharan dust over the Canary Islands have provided strong evidence for the presence of vertically aligned particles. The alignment was thought to be due to the electric field present ...

    • Atmospheric dust modeling from meso to global scales with the online NMMB/BSC-Dust model - Part 2 : Experimental campaigns in Northern Africa 

      Haustein, K.; Perez, C.; Baldasano, J. M.; Jorba, O.; Basart, S.; Miller, R. L.; Janjic, Z.; Black, T.; Nickovic, S.; Todd, M. C.; Washington, R.; Mueller, D.; Tesche, Matthias; Weinzierl, B.; Esselborn, M.; Schladitz, A. (2012)
      The new NMMB/BSC-Dust model is intended to provide short to medium-range weather and dust forecasts from regional to global scales. It is an online model in which the dust aerosol dynamics and physics are solved at each ...

    • Atmospheric metal-deposition in London 

      Duggan, M. J.; Burton, Marie (1983)

    • Atmospheric polycyclic aromatic hydrocarbons: Source attribution, emission factors and regulation 

      Ravindra, K.; Sokhi, R.S.; Van Grieken, R. (2008)
      There is an increasing concern about the occurrence of polycyclic aromatic hydrocarbons (PAHs) in the environment as they are ubiquitous in ambient air and some of them are among the strongest known carcinogens. PAHs and ...