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English Cosmology Space sciences (including extraterrestrial physics, space exploration and astronautics)

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Showing 41-60 of 10,000 results

  1. Variability and Rotation in Low Mass Stars and Brown Dwarfs

    The evolution of angular momentum in stars is not really understood today. In particular, very little is known about rotation of substellar objects....
    Jochen Eislöffel, Alexander Scholz in The Origin of Stars and Planets: The VLT View
    Conference paper

  2. Ices in Star-Forming Regions: First Results from VLT-ISAAC

    The first results from a VLT-ISAAC program on the infrared spectroscopy of deeply-embedded young stellar objects are presented. The advent of 8-m...
    Ewine F. van Dishoeck, E. Dartois, ... A. C. A. Boogert in The Origin of Stars and Planets: The VLT View
    Conference paper

  3. The Herschel Space Observatory and the Earliest Stages of Star Formation

    Despite recent progress, both the earliest stages of protostellar collapse and the origin of stellar masses remain poorly understood. Since...
    Philippe André in The Origin of Stars and Planets: The VLT View
    Conference paper

  4. NGC 3603 IRS 9: The Revealment of a Cluster of Protostars and the Potential of Mid-IR Imaging with VLT + VISIR

    In the framework of a multi-wavelengths study of NGC 3603 we have performed deep infrared imaging with the VLT Antu + ISAAC to investigate the nature...
    D. Nürnberger, L. Bronfman, ... Th Stanke in The Origin of Stars and Planets: The VLT View
    Conference paper

  5. The Destruction of Circumstellar Discs

    We present the results of Nbody simulations of the Orion Nebula Cluster which keep track of the destruction of discs by star-disc collisions and...
    C. J. Clarke in The Origin of Stars and Planets: The VLT View
    Conference paper

  6. The Physical Structure of a Prestellar Core in IC 5146

    We observed an evenly sampled map of the 3 P 1-3...
    Carsten Kramer, João Alves, Charles Lada in The Origin of Stars and Planets: The VLT View
    Conference paper

  7. The Formation and Evolution of Planetary Systems: SIRTF Legacy Science in the VLT Era

    We will utilize the sensitivity of SIRTF through the Legacy Science Program to carry out spectrophotometric observations of solar-type stars aimed at...
    M. R. Meyer, D. Backman, ... E. Young in The Origin of Stars and Planets: The VLT View
    Conference paper

  8. A C + + Parser for VOTables

    This paper provides a brief description of C + + Parser for VOTables. The parser is developed by Persistent Systems in association with IUCAA as part...
    Ajit Kembhavi, Hrishikesh Hegde, ... T. M. Vijayaraman in Toward an International Virtual Observatory
    Conference paper

  9. Visualisation Tools for Very Large Amounts of Data

    Can we perceive a billion stars? How would you go about classifying them? How quantitatively good would your analysis be? How reliable would your...
    S. G. Ansari in Toward an International Virtual Observatory
    Conference paper

  10. UCDs: Metadata for the VO

    ...
    Sébastien Derriere, Thomas Boch, ... Patricio F. Ortiz in Toward an International Virtual Observatory
    Conference paper

  11. Building the Infrastructure for the National Virtual Observatory: An Information Technology Research Initiative of the National Science Foundation

    The U.S. National Science Foundation is sponsoring the development of the infrastructure for the National Virtual Observatory via its Information...
    Robert J. Hanisch in Toward an International Virtual Observatory
    Conference paper

  12. Federation and Fusion of Astronomical Information: Standards and Tools for the Virtual Observatories

    We present a review of the current organization of astronomical archives and data centers in terms of data federation. We point the challenges faced,...
    Daniel Egret, Françoise Genova in Toward an International Virtual Observatory
    Conference paper

  13. Meeting the User Science Challenge for a Virtual Universe

    The AstroGrid project, a core UK eScience programme, is rapidly implementing the UK’s contribution to the global drive towards the Virtual...
    Nicholas Walton in Toward an International Virtual Observatory
    Conference paper

  14. Building Interoperable NASA Archives

    Over the past decades NASA has developed an extensive set of archives for space astronomy data. These archives are organized along mission,...
    Thomas McGlynn, Alberto Accomazzi, ... Brian Thomas in Toward an International Virtual Observatory
    Conference paper

  15. Using XML-Schema to Model Data from Present and Future Astronomical Databases

    XML (eXtensible Markup Language) has now become an almost inescapable tool for the exchange of formatted data over the World Wide Web and is now...
    Bernard Debray in Toward an International Virtual Observatory
    Conference paper

  16. Power Spectrum for the Distribution of Galaxies on the Sphere

    A method of Gorski of calculation of the power spectrum for CMB for incomplete COBE data set is applied to the distribution of galaxies on the...
    Włodzimierz Godłowski, Magdalena Pietka, ... Marek Szydłowski in Toward an International Virtual Observatory
    Conference paper

  17. Wide-Field X-Ray Monitoring as a Data Source for the Virtual Observatory

    We refer on novel X-ray telescopes with high sensitivity as well as large field of view of order of 1 000 square degrees or even more. The results...
    René Hudec, Adolf Inneman, Ladislav Pina in Toward an International Virtual Observatory
    Conference paper

  18. Laplacean Ideology for Preliminary Orbit Determination and Moving Celestial Body Identification in Virtual Epoch

    Any CCD frames with stars or galaxies or clusters and other images must be studied for a searching of moving celestial objects, namely asteroids,...
    O. P. Bykov in Toward an International Virtual Observatory
    Conference paper

  19. The World Space Observatory (WSO/UV) Archive: Requirements for Interoperation

    The World Space Observatory (WSO/UV) is a space project for an ultraviolet telescope which has to fulfill the needs and scientific requirements of a...
    A. I. Gómez de Castro, D. Ponz, ... W. Wamsteker in Toward an International Virtual Observatory
    Conference paper

  20. Development of a Multi-Mission Data Server at LAEFF

    Astronomical archives have been built independently of each other showing a variety of access levels and policies. This has caused that their remote...
    Enrique Solano, Raúl Gutiérrez, ... Jesús García in Toward an International Virtual Observatory
    Conference paper
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