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English Physics Astronomy, astrophysics and cosmology

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Showing 41-60 of 10,000 results

  1. Black Hole Growth in a Cosmological Context and the Associated Cosmic Star Formation History

    Based on a co-evolution scenario of massive black holes (MBH) and their host spheroids, we trace the BH growth and the joint cosmic star formation...
    Y. P. Wang, T. Yamada, Y. Taniguchi in Growing Black Holes: Accretion in a Cosmological Context
    Conference paper

  2. Radiative Feedback from Quasars and the Growth of Supermassive Black Holes

    We discuss the role of feedback via photoionization and Compton heating in the co-evolution of massive black holes at the center of spheroidal...
    S.Yu. Sazonov, J. P. Ostriker, ... R. A. Sunyaev in Growing Black Holes: Accretion in a Cosmological Context
    Conference paper

  3. The Influence of Black Hole Mass and Accretion Rate on the FRI/FRII Radio Galaxy Dichotomy

    We use medium resolution optical spectra of 3CR radio galaxies to estimate their black hole masses and accretion rates. Black hole masses are found...
    M. Wold, M. Lacy, L. Armus in Growing Black Holes: Accretion in a Cosmological Context
    Conference paper

  4. When Supermassive Black Holes Were Growing: Clues from Deep X–ray Surveys

    Merging the Chandra and XMM–Newton deep surveys with the previously identified ROSAT surveys a unique sample of almost 1000 AGN–1 covering five...
    G. Hasinger in Growing Black Holes: Accretion in a Cosmological Context
    Conference paper

  5. The Art and Science of Black Hole Mergers

    The merger of two black holes is one of the most extraordinary events in the natural world. Made of pure gravity, the holes combine to form a single...
    B.F. Schutz in Growing Black Holes: Accretion in a Cosmological Context
    Conference paper

  6. Galaxies of 1012 M⊙ at z ≥ 4 Along the K-z Sequence

    Stellar masses of galaxies are derived from the K-band (2.2 μm) photometry by taking into account evolution and cosmological effects with the code...
    Brigitte Rocca-Volmerange in Multiwavelength Map** of Galaxy Formation and Evolution
    Conference paper

  7. The CDF-S Viewed with SIMBA

    Observations of the Chandra Deep Field South (CDF-S) with the bolometer array SIMBA on the SEST 15m telescope is presented. SIMBA operates at 1250 μm...
    Tommy Wiklind, Stefan Bergström, ... Piero Rosati in Multiwavelength Map** of Galaxy Formation and Evolution
    Conference paper

  8. The TESIS Project: Are Type 2 QSO Hidden in X-Ray Emitting EROs?

    X-ray selected EROs are, on average, the hardest X-ray sources in medium and deep X-ray fields. This coupled with their extremely red colors...
    P. Severgnini, R. Della Ceca, ... C. Maraston in Multiwavelength Map** of Galaxy Formation and Evolution
    Conference paper

  9. The Deepest Near-Infrared View of the Universe

    We present very deep near-infrared imaging in the J s , H and K s -bands of the HDF-S and...
    Ivo Labbé, Marijn Franx, ... Paul van der Werf in Multiwavelength Map** of Galaxy Formation and Evolution
    Conference paper

  10. A Spectroscopic Survey of the Submillimeter Galaxy Population: 85 Redshifts Using Keck/LRIS-B

    We present spectroscopic identifications for a sample of 85 millimeter and submillimeter galaxies detected with the SCUBA/JCMT and MAMBO/IRAM30m...
    Scott C. Chapman, Andrew Blain, ... Ian Smail in Multiwavelength Map** of Galaxy Formation and Evolution
    Conference paper

  11. The Evolution of Evolved Galaxies

    The plethora of high redshift multifrequency surveys currently under way, that were extensively illustrated at this meeting will shortly provide us...
    Giuseppe Gavazzi in Multiwavelength Map** of Galaxy Formation and Evolution
    Conference paper

  12. The First 1–2 Gyrs of Galaxy Formation: Dropout Galaxies from z~ 3–6

    The unique high–resolution wide–field imaging capabilities of HST with ACS have allowed the characterization of galaxies at redshift 6, less than 1...
    Garth Illingworth, Rychard Bouwens in Multiwavelength Map** of Galaxy Formation and Evolution
    Conference paper

  13. COSMOS 2 $\square^\circ$ Survey

    The Cosmic Evolution Survey (COSMOS) will provide complete multi-wavelength imaging and spectroscopy of a 2...
    Nick Scoville in Multiwavelength Map** of Galaxy Formation and Evolution
    Conference paper

  14. Nuclei of Galaxy Bulges Through HST NIR Imaging

    We have analyzed the structure of bulges of early-to intermediate-type spirals, on nuclear and global scales, using HST NIR imaging together with...
    Marc Balcells, Alister W. Graham, Reynier F. Peletier in Multiwavelength Map** of Galaxy Formation and Evolution
    Conference paper

  15. On the Dearth of Low-Luminosity, High-Redshift Quasars

    The GOODS Team [2] presented a sample of 17 high-redshift QSO candidates from the GOODS fields with 3.5 < z < 5.2. The number counts of their z > 4...
    F. Fontanot, P. Monaco, ... M. Nonino in Multiwavelength Map** of Galaxy Formation and Evolution
    Conference paper

  16. Large Scale Structure in the Two Micron All Sky Survey

    The unprecedented sky coverage and photometric uniformity of the Two Micron All Sky Survey (2MASS) [1] provides a rich resource for obtaining an...
    Ariyeh H. Maller, Daniel H. McIntosh, ... Martin D. Weinberg in Multiwavelength Map** of Galaxy Formation and Evolution
    Conference paper

  17. Tracing the Evolution of Massive Galaxies up to z ~ 3

    Objects with unusual red near-IR color J-K > 3 are extremely rare at magnitude brighter than K=20, while their surface density increases at fainter...
    M. Longhetti, P. Saracco, ... E. Vanzella in Multiwavelength Map** of Galaxy Formation and Evolution
    Conference paper

  18. T-ReCS and Michelle: The Mid-Infrared Spectroscopic Capabilities of the Gemini Observatory

    Gemini Observatory’s northern and southern telescopes are both presently being outfitted with facility mid-infrared imagers/spectrometers. This will...
    James M. De Buizer, R. Scott Fisher in High Resolution Infrared Spectroscopy in Astronomy
    Conference paper

  19. Infrared Spectroscopy of H+3 in the Interstellar Medium

    Long a subject of laboratory and theoretical studies, H+3indexAH+3 is now recognized to be a fundamental ingredient of interstellar space, as the...
    Tom R. Geballe in High Resolution Infrared Spectroscopy in Astronomy
    Conference paper

  20. High-Resolution Infrared Spectroscopy of Protoplanetary Disks

    High-resolution spectroscopy at near and mid-infrared wavelengths can provide important and unique information about protoplanetary disks around...
    John S. Carr in High Resolution Infrared Spectroscopy in Astronomy
    Conference paper
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