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Showing 41-60 of 10,000 results

  1. Molecular Gas in Nuclei of the Seyfert Galaxies NGC3227 and NGC1068

    New subarcsecond data on NGC 3227 and NGC 1068 obtained with the Plateau de Bure millimeter interferometry indicate large enclosed masses and the...
    Eva Schinnerer, Andreas Eckart, Linda Tacconi in Black Holes in Binaries and Galactic Nuclei: Diagnostics, Demography and Formation
    Conference paper

  2. X-Ray Spectra of Neutron Stars vs. Black Holes

    This paper gives an overview of the observed X-ray spectra of lowmass X-ray binaries containing a weakly-magnetized neutron star (NS-LMXRB) and those...
    Yasuo Tanaka in Black Holes in Binaries and Galactic Nuclei: Diagnostics, Demography and Formation
    Conference paper

  3. Determination of Mass Limits Around Pulsars at 10 and $90 \mu$ m with ISO

    We present mid-infrared photometric results obtained with ISOCAM and ISOPHOT on 3 millisecond pulsars and 3 ordinary radio pulsars. No detections...
    Lydie Koch Miramond, Philipp Podsiadlowski, ... Marc Sauvage in Black Holes in Binaries and Galactic Nuclei: Diagnostics, Demography and Formation
    Conference paper

  4. Gamma-Ray Observations of Black Holes: The Prospects of INTEGRAL

    In this paper we describe the upcoming European gamma-ray observatory INTEGRAL (International Gamma-Ray Astrophysics Laboratory). This ESA satellite...
    Norman R. Trams in Black Holes in Binaries and Galactic Nuclei: Diagnostics, Demography and Formation
    Conference paper

  5. Accreting Black Holes: Modelling Individual Objects and Whole Populations

    We are carrying out a programme of non-linear, time-dependent calculations to study non-stationary accretion onto black holes. We plan to use this...
    Ewa Szuszkiewicz, Luigi Danese, ... Paolo Salucci in Black Holes in Binaries and Galactic Nuclei: Diagnostics, Demography and Formation
    Conference paper

  6. Clusters of Galaxies at High Redshift

    For a long time, the small number of clusters at z > 0.3 in the Abell survey catalogue and simulations of the standard CDM formation of large scale...
    Bernard Fort in From Extrasolar Planets to Cosmology: The VLT Opening Symposium
    Conference paper

  7. The Cluster Population in a Complete Sample of Optically Identified RASS X-Ray Sources

    Using the 2.1-m telescope of the Guillermo Haro Observatory (Cananea, Mexico) the optical counterparts of a count-rate and area limited complete...
    Immo Appenzeller, Reinhold Kneer, ... Inge Thiering in From Extrasolar Planets to Cosmology: The VLT Opening Symposium
    Conference paper

  8. Massive Stars and Their Role in Spectra and Abundances of High Redshift Galaxies

    There are great changes in our understanding of massive star evolution. Although it is a known fact that the populations of massive stars (O-stars,...
    André Maeder in From Extrasolar Planets to Cosmology: The VLT Opening Symposium
    Conference paper

  9. Supernovae at High Redshift

    Distant supernovae provide a convenient tool for cosmology. As bright beacons with small variation in their peak luminosity Type Ia Supernovae can be...
    Bruno Leibundgut in From Extrasolar Planets to Cosmology: The VLT Opening Symposium
    Conference paper

  10. Nuclear Activity and Galaxy Evolution

    This talk discusses the connection between nuclear activity and galaxy evolution. First, the evidence for a fundamental connection is reviewed. Then,...
    George Miley in From Extrasolar Planets to Cosmology: The VLT Opening Symposium
    Conference paper

  11. Solar Nebulae and Replenished Dust Disks with Planets

    Having studied the primordial, protoplanetary gas disks, and older, dusty “remnant” disks in infrared-emitting (Vega-type) circumstellar systems, we...
    Pawel Artymowicz in From Extrasolar Planets to Cosmology: The VLT Opening Symposium
    Conference paper

  12. Observations of Cygnus X-3 in Quiescence in the $2.4 - 12 \mu$ m Range with ISO

    We present mid-infrared spectrophotometric and imaging photometric results obtained with ISO on the peculiar X-ray binary Cygnus X-3. The...
    Lydie Koch Miramond, Jean-Marc Bonnet-Bidaud, ... Arnaud Glaret in Black Holes in Binaries and Galactic Nuclei: Diagnostics, Demography and Formation
    Conference paper

  13. SINFONI - Galaxy Dynamics at $0^{\prime\prime}\hspace{-0.2cm}.05$ Resolution with the VLT

    The SINFONI integral field spectrometer for the VLT will provide nearinfrared spatially resolved spectra at spatial resolutions close to the...
    Niranjan Thatte, Frank Eisenhauer, ... Eric Emsellem in Black Holes in Binaries and Galactic Nuclei: Diagnostics, Demography and Formation
    Conference paper

  14. Discovery of an X-Ray Outburst in an Optically Non-Active Galaxy

    The main X-ray and optical properties of a very luminous X-ray outburst source are summarized. The results are: large variability in X-ray emission...
    Thomas H. Reiprich, Jochen Greiner in Black Holes in Binaries and Galactic Nuclei: Diagnostics, Demography and Formation
    Conference paper

  15. The CORALIE Planet-Search Sample

    This short contribution presents a description of the CORALIE sample selection of more than 1600 dwarf stars for the planet-search programme on the...
    S. Udry, M. Mayor, ... N. Santos in From Extrasolar Planets to Cosmology: The VLT Opening Symposium
    Conference paper

  16. On the Formation of Jets

    The phenomenology of jets associated with a variety of black hole systems is summarized, emphasizing the constraints imposed on their origin. Models...
    Annalisa Celotti, Roger D. Blandford in Black Holes in Binaries and Galactic Nuclei: Diagnostics, Demography and Formation
    Conference paper

  17. Modelling Synchrotron Outbursts in 3C 273

    We present an improved approach to derive the observed evolution of a typical synchrotron outburst in 3C 273. The method consists in a simultaneous...
    Marc Türler in Black Holes in Binaries and Galactic Nuclei: Diagnostics, Demography and Formation
    Conference paper

  19. Type Ia Supernovae: Progenitors and Diversities

    A key question for supernova cosmology is whether the peak luminosities of Type Ia supernovae (SNe Ia) are sufficiently free from the effects of...
    Ken’ichi Nomoto, Tatsuhiro Uenishi, ... Mariko Kato in From Twilight to Highlight: The Physics of Supernovae
    Conference paper

  20. Evidence for Core Collapse in the Type Ib/c SN 1999ex

    We present optical and infrared spectra of SN 1999ex, which are characterized by the lack of strong hydrogen lines, weak optical He I lines, and...
    Mario Hamuy, Maximilian Stritzinger, ... Philip A. Pinto in From Twilight to Highlight: The Physics of Supernovae
    Conference paper
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