Browsing Research publications by Author "Walter, F."

Now showing items 1-20 of 70

    • ALMA 400 pc Imaging of a z = 6.5 Massive Warped Disk Galaxy 

      Neeleman, Marcel; Walter, F.; Decarli, Roberto; Drake, Alyssa B.; Eilers, Anna-Christina; Meyer, Romain A.; Venemans, Bram P. (2023-12-01)
      We present 0.″075 (≈400 pc) resolution Atacama Large Millimeter/submillimeter Array (ALMA) observations of the [C ii] and dust continuum emission from the host galaxy of the z = 6.5406 quasar, P036+03. We find that the ...

    • An alma survey of sub-millimeter galaxies in the extended Chandra deep field south : Sub-millimeter properties of color-selected galaxies 

      Decarli, R.; Smail, I.; Walter, F.; Swinbank, A.M.; Chapman, S.; Coppin, Kristen; Cox, P.; Dannerbauer, H.; Greve, T.R.; Hodge, J. A.; Ivison, Rob J.; Karim, A.; Knudsen, K.K.; Lindroos, L.; Rix, H-W.; Schinnerer, E.; Simpson, J.M.; van der Werf, P.; Weiss, A. (2014-01-10)
      We study the sub-millimeter properties of color-selected galaxies via a stacking analysis applied for the first time to interferometric data at sub-millimeter wavelengths. We base our study on 344 GHz ALMA continuum ...

    • An ALMA survey of sub-millimetre galaxies in the extended chandra deep field south : The far-infrared properties of SMGs 

      Swinbank, A. M.; Simpson, J. M.; Smail, Ian; Harrison, C. M.; Hodge, J. A.; Karim, A.; Walter, F.; Alexander, D. M.; Brandt, W. N.; de Breuck, C.; da Cunha, E.; Chapman, S. C.; Coppin, Kristen; Danielson, A. L. R.; Dannerbauer, H.; Decarli, R.; Greve, T.R.; Ivison, R. J.; Knudsen, K. K.; Lagos, Claudia del P.; Schinnerer, E.; Thomson, A. P.; Wardlow, J. L.; Weiß, A.; van der Werf, P. (2014-02-21)
      We exploit Atacama Large Millimeter Array (ALMA) 870 μm observations of sub-millimetre sources in the Extended Chandra Deep Field South to investigate the far-infrared properties of high-redshift sub-millimetre galaxies ...

    • An ALMA survey of submillimeter galaxies in the extended chandra deep field south : Near-infrared morphologies and stellar sizes 

      Chen, Chian Chou; Smail, Ian; Swinbank, A.M.; Simpson, J. M.; Ma, Cheng Jiun; Alexander, D.M.; Biggs, A. D.; Brandt, W.N.; Chapman, S.C.; Coppin, Kristen; Danielson, A. L. R.; Dannerbauer, H.; Edge, A. C.; Greve, T.R.; Ivison, R. J.; Karim, A.; Menten, Karl M.; Schinnerer, E.; Walter, F.; Wardlow, J. L.; Weiß, A.; Van Der Werf, P. P. (2015-02-01)
      We analyze Hubble Space Telescope WFC3/H160-band observations of a sample of 48 Atacama Large Millimeter/submillimeter Array detected submillimeter galaxies (SMGs) in the Extended Chandra Deep Field South field, to study ...

    • An ALMA survey of submillimeter galaxies in the Extended Chandra Deep Field South : Source catalog and multiplicity 

      Hodge, J. A.; Karim, A.; Smail, I.; Swinbank, A. M.; Walter, F.; Biggs, A. D.; Ivison, Rob J.; Weiss, A.; Alexander, D. M.; Bertoldi, F.; Brandt, W. N.; Chapman, S.C.; Coppin, Kristen; Cox, P.; Danielson, A. L. R.; Dannerbauer, H.; De Breuck, C.; Decarli, R.; Edge, A. C.; Greve, T. R.; Knudsen, K. K.; Menten, K.M.; Rix, H-W.; Schinnerer, E.; Simpson, J.M.; Wardlow, J. L.; van der Werf, P. (2013)
      We present an Atacama Large Millimeter/submillimeter Array (ALMA) Cycle 0 survey of 126 submillimeter sources from the LABOCA ECDFS Submillimeter Survey (LESS). Our 870 micron survey with ALMA (ALESS) has produced maps ~3X ...

    • An ALMA Survey of Submillimeter Galaxies in the Extended Chandra Deep Field South : Spectroscopic Redshifts 

      Danielson, A. L. R.; Swinbank, A.~M.; Smail, Ian; Simpson, J. M.; M. Casey, C.; Chapman, S.~C.; Cunha, Elisabete da; Hodge, J. A.; Walter, F.; Wardlow, J. L.; Alexander, D. M.; Brandt, W.N.; De Breuck, C.; Coppin, K. E.K.; Dannerbauer, H.; Dickinson, M.; Edge, A. C.; Gawiser, E.; Ivison, R. J.; Karim, A.; Kovacs, A.; Lutz, D.; Menten, K.~M.; Schinnerer, E.; Weiß, A.; van der Werf, P. (2017-05-10)
      We present spectroscopic redshifts of S870 μm ≳ 2 mJy submillimeter galaxies (SMGs), which have been identified from the ALMA follow-up observations of 870 μm detected sources in the Extended Chandra Deep Field South (the ...

    • An ALMA survey of submillimetre galaxies in the Extended Chandra Deep Field-South : Detection of [Cii] at z = 4.4 

      Swinbank, A.M.; Karim, A.; Smail, I.; Hodge, J.; Walter, F.; Bertoldi, F.; Biggs, A.D.; De Breuck, C.; Chapman, S.C.; Coppin, Kristen; Cox, P.; Danielson, A .L. R.; Dannerbauer, H.; Ivison, R.J.; Greve, T.R.; Knudsen, K.K.; Menten, K. M.; Simpson, J.M.; Schinnerer, E.; Wardlow, J. L.; Weiss, A.; van der Werf, P. (2012-12-01)
      We present Atacama Large Millimeter Array (ALMA) 870-μm (345-GHz) observations of two submillimetre galaxies (SMGs) drawn from an ALMA study of the 126 submillimetre sources from the LABOCA Extended Chandra Deep Field-South ...

    • An ALMA survey of the S2CLS UDS field: optically invisible submillimetre galaxies 

      Smail, Ian; Dudzevičiūtė, U.; Stach, S. M.; Almaini, O.; Birkin, J. E.; Chapman, S. C.; Chen, Chian-Chou; Geach, J. E.; Gullberg, B.; Hodge, J. A.; Ikarashi, S.; Ivison, R. J.; Scott, D.; Simpson, Chris; Swinbank, A. M.; Thomson, A. P.; Walter, F.; Wardlow, J. L.; Werf, P. van der (2021-04-01)
      We analyse a robust sample of 30 near-infrared-faint (KAB > 25.3, 5σ) submillimetre galaxies (SMGs) selected from a 0.96 deg2 field to investigate their properties and the cause of their faintness in optical/near-infrared ...

    • An ALMA survey of the SCUBA-2 CLS UDS field: physical properties of 707 sub-millimetre galaxies 

      Dudzevičiūtė, U.; Smail, Ian; Swinbank, A. M.; Stach, S. M.; Almaini, O.; Cunha, E. da; An, Fang Xia; Arumugam, V.; Birkin, J.; Blain, A. W.; Chapman, S. C.; Conselice, C. J.; Coppin, K. E. K.; Dunlop, J. S.; Farrah, D.; Geach, J. E.; Gullberg, B.; Hartley, W. G.; Hodge, J. A.; Ivison, R. J.; Maltby, D. T.; Scott, D.; Simpson, C. J.; Walter, F.; Wardlow, J. L.; Weiss, A.; Werf, P. van der (2020-05)
      We analyse the physical properties of a large, homogeneously selected sample of ALMA-located sub-mm galaxies (SMGs) detected in the SCUBA-2 CLS 850-$\mu$m map of the UKIDSS/UDS field. This survey, AS2UDS, identified 707 ...

    • Aperture Synthesis Spectral Line Imaging: Exploring the Third Dimension (Invited Talk) 

      Brinks, E.; Walter, F. (Astronomical Society of the Pacific, 2002)
      Radio astronomers are in a privileged position as compared to optical and near-IR observers because almost from the beginning of radioastronomical observations it proved possible to obtain spectral information at velocity ...

    • 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 BLAST 250 μm-selected galaxy population in GOODS-South 

      Dunlop, J.S.; Ade, P.A.R.; Bock, J.J.; Chapin, E.L.; Cirasuolo, M.; Coppin, Kristen; Devlin, M.J.; Griffin, M.; Greve, T.R.; Gundersen, J.O.; Halpern, M.; Hargrave, P.C.; Hughes, D.H.; Ivison, R.J.; Klein, J.; Kovacs, A.; Marsden, G.; Mauskopf, P.; Netterfield, Calvin B.; Olmi, L.; Pascale, E.; Patanchon, G.; Rex, M.; Scott, D.; Semisch, C.; Smail, I.; Targett, T.A.; Thomas, N.; Truch, M.D.P.; Tucker, C.; Tucker, G.S.; Viero, M.P.; Walter, F.; Wardlow, J. L.; Weiss, A.; Wiebe, D.V. (2010-11-01)
      We identify and investigate the nature of the 20 brightest 250 μm sources detected by the Balloon-borne Large Aperture Submillimetre Telescope (BLAST) within the central 150 arcmin of the Great Observatories Origins Deep ...

    • Bloated Dwarfs: The Thickness of the HI Disks in Irregular Galaxies 

      Brinks, E.; Walter, F.; Ott, J. (Astronomical Society of the Pacific, 2002)
      Somewhat counterintuitively, the gas disks of (dwarf) irregular galaxies, such as the LMC, are thicker than those of normal disk galaxies, both in relative as well as in absolute terms. In retrospect, this is easily ...

    • 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 ...

    • A Chandra x-ray survey of nearby dwarf starburst galaxies - II. Starburst properties and outflows 

      Ott, J.; Walter, F.; Brinks, E. (2005-04)

    • A Chandra X-ray survey of nearby dwarf starburst galaxies- I. data reduction and results 

      Ott, J.; Walter, F.; Brinks, E. (2005-04)

    • 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 ...

    • The dust and [CII] morphologies of redshift ~4.5 sub-millimeter galaxies at ~200pc resolution : The Absence of Large Clumps in the Interstellar Medium at High-redshift 

      Gullberg, B.; Swinbank, A. M.; Smail, I.; Biggs, A. D.; Bertoldi, F.; Breuck, C. De; Chapman, S. C.; Chen, C. -C.; Cooke, E. A.; Coppin, K. E. K.; Cox, P.; Dannerbauer, H.; Dunlop, J. S.; Edge, A. C.; Farrah, D.; Geach, J. E.; Greve, T. R.; Hodge, J.; Ibar, E.; Ivison, R. J.; Karim, A.; Schinnerer, E.; Scott, D.; Simpson, J. M.; Stach, S. M.; Thomson, A. P.; Werf, P. van der; Walter, F.; Wardlow, J. L.; Weiss, A. (2018-05-17)
      We present deep, high-resolution (0.″03, 200 pc) ALMA Band 7 observations covering the dust continuum and [C ii] λ157.7 μm emission in four z ∼4.4-4.8 sub-millimeter galaxies (SMGs) selected from the ALESS and AS2UDS ...