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Astrophysics and astroparticles Planetology

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Showing 41-60 of 10,000 results

  1. Galaxy-Galaxy Lensing in the FORS Deep Field

    We demonstrate the presence of a galaxy-galaxy lensing signal of z=0.5-1.0 foreground galaxies by analyzing the distortion of z=2.5-4.5 background...
    Stella Seitz, Thomas Erben, ... the FDF-Team in The Mass of Galaxies at Low and High Redshift
    Conference paper

  2. The Mass Function of Field Galaxies at 0.4 < z < 1.2 as Derived from the MUNICS K-Selected Sample

    We derive the number density evolution of massive field galaxies in the redshift range 0.4 < z < 1.2 using the K-band selected field galaxy sample...
    Niv Drory, Ralf Bender, ... Claudia Mendes de Oliveira in The Mass of Galaxies at Low and High Redshift
    Conference paper

  3. Nuclear Stellar Disks in Spiral Galaxies

    We report the discovery of a nuclear stellar disk in 3 early-type spirals, namely NGC 1425, NGC 3898 and NGC 4698, revealed by WFPC2/F606W images out...
    A. Pizzella, E. M. Corsini, ... F. Bertola in The Mass of Galaxies at Low and High Redshift
    Conference paper

  4. Gas Minor-Axis Velocity Gradients in Early-Type Spiral Galaxies

    We measured a remarkable gas velocity gradient along the minor axis of 5 early-type spiral galaxies. This phenomenon suggests the presence of a...
    E. M. Corsini, A. Pizzella, ... F. Bertola in The Mass of Galaxies at Low and High Redshift
    Conference paper

  5. The Evolution of Distant Cluster Spirals

    Ground-based and HST observations indicate that the disk galaxy population in rich galaxy clusters has experienced remarkable evolution since z = 1....
    Bo Milvang-Jensen, Alfonso Aragón-Salamanca, ... Jens Hjorth in The Mass of Galaxies at Low and High Redshift
    Conference paper

  6. Measuring Galaxy Disk Mass with the SparsePak Integral Field Unit on WIYN

    We present first results from the commissioning data of the SparsePak Integral Field Unit on the WIYN telescope. SparsePak is a bundle of 82 fibers,...
    Marc Verheijen, Matthew Bershady, David Andersen in The Mass of Galaxies at Low and High Redshift
    Conference paper

  7. Constraining the Mass Assembly in Ellipticals from ERO Clustering

    The redshift evolution of clustering is a powerful tool to constrain the models of galaxy assembly. In particular, the strong clustering of EROs, if...
    Emanuele Daddi in The Mass of Galaxies at Low and High Redshift
    Conference paper

  8. Evolution in the Linewidth-Magnitude Relation to z > 1 from the DEEP Groth Strip Survey

    Galaxy kinematics are potentially a powerful tool to measure the evolution of Tully-Fisher-type relations and to see how properties of distant...
    Benjamin J. Weiner, the DEEP Collaboration in The Mass of Galaxies at Low and High Redshift
    Conference paper

  9. First Evidence for an Extended Dark Halo in the Draco Dwarf Spheroidal

    We present a new velocity data set in the Draco dwarf spheroidal, containing the velocities of 159 giant stars extending to large radii. We fit this...
    Jan Kleyna, Mark Wilkinson, ... Gerard Gilmore in The Mass of Galaxies at Low and High Redshift
    Conference paper

  10. On the Black Hole - Bulge Mass Relation in Active and Inactive Galaxies

    New virial black-hole mass estimates are presented for a sample of 72 AGN covering three decades in optical luminosity. Using a model in which the...
    R. J. McLure, J. S. Dunlop in The Mass of Galaxies at Low and High Redshift
    Conference paper

  11. Stellar M/L Ratios and Spiral Galaxy Dynamics

    We present a simple technique to estimate mass-to-light (M/L) ratios of stellar populations in local universe galaxies based on two broadband...
    Roelof S. de Jong, Eric F. Bell in The Mass of Galaxies at Low and High Redshift
    Conference paper

  12. A Radio-Quiet Radio Galaxy at High Redshift

    We report on observations of CXO52, a Type 2 quasar at redshift z = 3.288 identified as a hard X-ray source in a deep observation with the Chandra...
    Daniel Stern, Edward C. Moran in The Mass of Galaxies at Low and High Redshift
    Conference paper

  13. The Masses of Distant Galaxies from Optical Emission Line Widths

    Promising methods for studying galaxy evolution rely on optical emission line width measurements to compare intermediate-redshift objects to galaxies...
    Elizabeth Barton Gillespie, Liese van Zee in The Mass of Galaxies at Low and High Redshift
    Conference paper

  14. The Evolution of the Mass-to-Light Ratio of Field Early-Type Galaxies

    I report on our recent measurement of the Fundamental Plane (FP) of field early-type galaxies (E/S0) in the redshift range 0.1 < z < 0.66, and...
    Tommaso Treu in The Mass of Galaxies at Low and High Redshift
    Conference paper

  15. The Properties of Low-Redshift Damped Lyman Alpha Galaxies

    Damped Lyman alpha (DLA) galaxies are those which give rise to the DLA lines seen in the spectra of background QSOs, indicative of neutral hydrogen...
    David Turnshek, Sandhya Rao, Daniel Nestor in The Mass of Galaxies at Low and High Redshift
    Conference paper

  16. The Assembly of the First Galaxies

    The first galaxies formed at high redshifts, and were likely substantially less massive than typical galaxies in the local universe. We argue that...
    Zoltán Haiman in The Mass of Galaxies at Low and High Redshift
    Conference paper

  17. Kinematics of ISOCAM Selected Star-Forming Galaxies at z $\sim$ 1 in the Hubble Deep Field South

    The various deep ISOCAM surveys revealed a new class of infrared luminous galaxies which are characterized by a high rate of evolution and are found...
    Dimitra Rigopoulou, Alberto Franceschini, ... Niranjan Thatte in The Mass of Galaxies at Low and High Redshift
    Conference paper

  18. HST Imaging of a z=1.55 Old Galaxy Group

    We present high-resolution imaging in the rest-frame optical of the weak radio source LBDS53W091. Previous optical spectroscopy has shown that this...
    Andrew Bunker, Hyron Spinrad, ... Rogier Windhorst in The Mass of Galaxies at Low and High Redshift
    Conference paper

  19. The Assembly of Galaxies from a Wide/Deep IR Survey

    We show how deep multicolor imaging surveys may be used to trace the assembly of stellar mass in galaxies at different redshifts. Deep multicolor...
    Adriano Fontana in The Mass of Galaxies at Low and High Redshift
    Conference paper

  20. Prospects with ALMA

    The Atacama Large Millimeter Array will greatly enhance our ability to study the dynamics and masses of galaxies and their components at both low and...
    P. A. Shaver in The Mass of Galaxies at Low and High Redshift
    Conference paper
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