Browsing by Author "de Blok, W.J.G."

Now showing items 1-20 of 32

    • Are the kinematics of DLAs in agreement with their arising in the gas disks of galaxies? 

      Zwaan, M.; Walter, F.; Ryan-Weber, E.; Brinks, E.; de Blok, W.J.G.; Kennicutt, R.C. (2008)
      We demonstrate in this paper that the velocity widths of the neutral gas in damped Lyα (DLA) systems are inconsistent with these systems originating in gas disks of galaxies, similar to those seen in the local universe. ...

    • The Arecibo Galaxy Environment Survey: precursor observations of the NGC 628 group 

      Auld, R.; Minchin, R.F.; Davies, J.; Catinella, B.; van Driel, W.; Henning, P.A.; Linder, S.; Momjian, E.; Muller, E.; O'Neil, K.; Sabatini, S.; Schneider, S.; Bothun, G.; Cortese, L.; Disney, M.; Hoffman, G.L.; Putman, M.; Rosenberg, J.L.; Baes, M.; de Blok, W.J.G.; Boselli, A.; Brinks, E.; Brosch, N.; Irwin, M.J.; Karachentsev, I.D.; Kilborn, V.A.; Koribalski, B.; Spekkens, K. (2006)

    • The central slope of dark matter cores in dwarf galaxies : simulations versus THINGS 

      Oh, S.H.; Brook, C.; Governato, F.; Brinks, E.; Mayer, L.; de Blok, W.J.G.; Brooks, A.; Walter, F. (2011)
      We make a direct comparison of the derived dark matter (DM) distributions between hydrodynamical simulations of dwarf galaxies assuming ACDM cosmology and the observed dwarf galaxies sample from the THINGS survey in terms ...

    • The CO-to-H2 Conversion Factor and Dust-to-gas Ratio on Kiloparsec Scales in Nearby Galaxies 

      Sandstrom, K. M.; Leroy, A. K.; Walter, F.; Bolatto, A. D.; Croxall, K. V.; Draine, B. T.; Wilson, C. D.; Wolfire, M.; Calzetti, D.; Kennicutt, R. C.; Aniano, G.; Donovan Meyer, J.; Usero, A.; Bigiel, F.; Brinks, E.; de Blok, W.J.G.; Crocker, A.; Dale, D.; Engelbracht, C.W.; Galametz, M.; Groves, B.; Hunt, L. K.; Koda, J.; Kreckel, K.; Linz, H.; Meidt, S.; Pellegrini, E.; Rix, H-W.; Roussel, H.; Schinnerer, E.; Schruba, A.; Schuster, K-F.; Skibba, R.; van der Laan, T.; Appleton, P.; Armus, L.; Brandl, B.; Gordon, K.; Hinz, J.; Krause, O.; Montiel, E.; Sauvage, M.; Schmiedeke, A.; Smith, J.D.T.; Vigroux, L. (2013-10)

    • A constant molecular gas depletion time in nearby disk galaxies 

      Bigiel, F.; Leroy, A.; Walter, F.; Brinks, E.; de Blok, W.J.G.; Kramer, C.; Rix, H-W.; Schruba, A.; Schuster, K-F.; Usero, A.; Wiesemeyer, H.W. (2011)
      We combine new sensitive, wide-field CO data from the HERACLES survey with ultraviolet and infrared data from GALEX and Spitzer to compare the surface densities of H2, ΣH2, and the recent star formation rate, ΣSFR, over ...

    • Dark and luminous matter in THINGS dwarf galaxies 

      Oh, S.H.; de Blok, W.J.G.; Brinks, E.; Walter, F.; Kennicutt, R.C. (2011)
      We present mass models for the dark matter component of seven dwarf galaxies taken from "The H I Nearby Galaxy Survey" (THINGS) and compare these with those taken from numerical Λ cold dark matter (ΛCDM) simulations. The ...

    • Dust and atomic gas in dwarf irregular galaxies of the M81 group: the SINGS and THINGS view 

      Walter, F.; Cannon, J.; Roussel, H.; Bendo, G.; Calzetti, D.; Dale, D.; Draine, B.; Helou, G.; Kennicutt, R.C.; Moustakas, J.; Rieke, G.; Armus, L.; Engelbracht, C.; Gordon, K.; Hollenbach, D.; Lee, J.; Li, A.; Meyer, M.; Murphy, E.; Regan, M.; Smith, J.D.; Brinks, E.; de Blok, W.J.G.; Bigiel, F.; Thornley, M.D. (2007)

    • Dynamical centers and noncircular motions in THINGS galaxies: implications for dark matter halos 

      Trachternach, C.; de Blok, W.J.G.; Walter, F.; Brinks, E.; Kennicutt, R.C. (2008)

    • Estimating the star formation rate at 1 kpc scales in nearby galaxies. 

      Leroy, Adam K.; Bigiel, Frank; de Blok, W.J.G.; Boissier, Samuel; Bolatto, Alberto; Brinks, E.; Madore, Barry; Munoz-Mateos, Juan-Carlos; Murphy, Eric; Sandstrom, Karin; Schruba, Andreas; Walter, Fabian (2012-07)
      Using combinations of H alpha, ultraviolet (UV), and infrared (IR) emission, we estimate the star formation rate (SFR) surface density, Sigma(SFR), at 1 kpc resolution for 30 disk galaxies that are targets of the IRAM ...

    • Extremely inefficient star formation in the outer disks of nearby galaxies 

      Bigiel, F.; Leroy, A.; Walter, F.; Blitz, L.; Brinks, E.; de Blok, W.J.G.; Madore, B. (2010)
      We combine data from The H I Nearby Galaxy Survey and the GALEX Nearby Galaxy Survey to study the relationship between atomic hydrogen (H I) and far-ultraviolet (FUV) emission outside the optical radius (r 25) in 17 spiral ...

    • The fine-scale structure of the neutral interstellar medium in nearby galaxies 

      Bagetakos, I.; Brinks, E.; Walter, F.; de Blok, W.J.G.; Usero, A.; Leroy, A.; Rich, J.W.; Kennicutt, R.C. (2011)
      We present an analysis of the properties of H I holes detected in 20 galaxies that are part of "The H I Nearby Galaxy Survey." We detected more than 1000 holes in total in the sampled galaxies. Where they can be measured, ...

    • First Results from THINGS: The HI Nearby Galaxy Survey 

      Walter, F.; Brinks, E.; de Blok, W.J.G.; Thornley, M.D.; Kennicutt, R.C. (Astronomical Society of the Pacific, 2005)
      We describe The HI Nearby Galaxy Survey (THINGS), the largest program ever undertaken at the VLA to perform 21-cm HI observations of the highest quality (» 700, · 5 km s¡1 resolution) of nearby galaxies. The goal of THINGS ...

    • The Gas Phase in a Low Metallicity ISM 

      Brinks, E.; Oh, S.H.; Bagetakos, I.; Bigiel, F.; Leroy, A.; Usero, A.; Walter, F.; de Blok, W.J.G.; Kennicutt, R.C. (2008)
      We present several results from our analysis of dwarf irregular galaxies culled from The HI Nearby Galaxy Survey (THINGS). We analyse the rotation curves of two galaxies based on “bulk” velocity fields, i.e. velocity maps ...

    • Geometrically derived timescales for star formation in spiral galaxies 

      Tamburro, D.; Rix, H-W.; Walter, F.; Brinks, E.; de Blok, W.J.G.; Kennicutt, R.C.; Mac Low, M.M. (2008)

    • Heracles: The HERA CO Line Extragalactic Survey 

      Leroy, A.; Walter, F.; Bigiel, F.; Usero, A.; Weiss, A.; Brinks, E.; de Blok, W.J.G.; Kennicutt, R.C.; Schuster, K-F.; Kramer, C.; Wiesemeyer, H.W.; Roussel, H. (2009)
      We present the Heterodyne Receiver Array CO Line Extragalactic Survey, an atlas of CO emission from 18 nearby galaxies that are also part of The H I Nearby Galaxy Survey and the Spitzer Infrared Nearby Galaxies Survey. We ...

    • High-resolution dark matter density profiles of THINGS dwarf galaxies: correcting for non-circular motions 

      Oh, S.H.; de Blok, W.J.G.; Walter, F.; Brinks, E. (2008)

    • High-resolution rotation curves and galaxy mass models from THINGS 

      de Blok, W.J.G.; Walter, F.; Brinks, E.; Trachternach, C.; Oh, S.H.; Kennicutt, R.C. (2008)
      We present rotation curves of 19 galaxies from The H I Nearby Galaxy Survey (THINGS). The high spatial and velocity resolution of THINGS make these the highest quality H I rotation curves available to date for a large ...

    • Low CO luminosities in dwarf galaxies 

      Schruba, Andreas; Leroy, Adam K.; Walter, Fabian; Bigiel, Frank; Brinks, E.; de Blok, W.J.G.; Kramer, Carsten; Rosolowsky, Erik; Sandstrom, Karin; Schuster, Karl; Usero, Antonio; Weiss, Axel; Wiesemeyer, Helmut (2012-05-07)
      We present maps of (12)COJ = 2-1 emission covering the entire star-forming disks of 16 nearby dwarf galaxies observed by the IRAM HERACLES survey. The data have 13 '' angular resolution, similar to 250 pc at our average ...

    • A low H I column density filament in NGC 2403 : signature of interaction or accretion 

      de Blok, W.J.G.; Keating, K.M.; Pisano, D.J.; Fraternali, F.; Walter, F.; Oosterloo, T.; Brinks, E.; Bigiel, F.; Leroy, A. (2014-09-25)
      Observed H i accretion around nearby galaxies can only account for a fraction of the gas supply needed to sustain the currently observed star formation rates. It is possible that additional accretion occurs in the form of ...

    • The Magellanic Clouds as a Template for the Study of Stellar Populations and Galaxy Interactions 

      Cioni, M-R.L.; Bekki, K.; Clementini, G.; de Blok, W.J.G.; Emerson, J.P.; Evans, Chris J.; de Grijs, R.; Gibson, B. K.; Girardi, L.; Groenewegen, M.A.T.; Ivanov, V.D.; Leisy, P.; Marconi, M.; Mastropietro, C.; Moore, B.; Naylor, T.; Oliveira, J.M.; Ripepi, V.; van Loon, J. Th; Wilkinson, Mark; Wood, P.R. (2008-01)
      The Magellanic System represents one of the best places to study the formation and evolution of galaxies. Photometric surveys of various depths, areas and wavelengths have had a significant impact on our understanding of ...