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12 Result(s)

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  1. No Access

    Article

    Age dating of an early Milky Way merger via asteroseismology of the naked-eye star ν Indi

    Over the course of its history, the Milky Way has ingested multiple smaller satellite galaxies1. Although these accreted stellar populations can be forensically identified as kinematically distinct structures wit...

    William J. Chaplin, Aldo M. Serenelli, Andrea Miglio, Thierry Morel… in Nature Astronomy (2020)

  2. No Access

    Article

    Exposure to extremely low frequency magnetic fields in an urban area

    Magnetic field levels were studied in an urban area—the city of Cáceres (Spain). The study included systematic spot measurements throughout the city, an analysis of the temporal variation of the magnetic field...

    Jesús M. Paniagua, Antonio Jiménez, Montaña Rufo… in Radiation and Environmental Biophysics (2007)

  3. No Access

    Chapter and Conference Paper

    On the Intensity Thresholds of the Network and Plage Regions

    A period of minimum solar activity in April and May 1996 was used to analyze full-disk Ca K spectroheliograms with the aim of deriving the intensity thresholds of the quiet network and the plages by applying t...

    Michael Steinegger, Jose A. Bonet… in Solar Electromagnetic Radiation Study for … (1998)

  4. No Access

    Article

    On the Intensity Thresholds of the Network and Plage Regions

    A period of minimum solar activity in April and May 1996 was used to analyze full-disk CaK spectroheliograms with the aim of deriving the intensity thresholds of the quiet network and the plages by applying th...

    Michael Steinegger, Jose A. Bonet, Manuel Vázquez, Antonio Jiménez in Solar Physics (1998)

  5. No Access

    Article

    In-Flight Performance of the Virgo Solar Irradiance Instruments on Soho

    The in-flight performance of the total and spectral irradiance instruments within VIRGO (Variability of solar IRradiance and Gravity Oscillations) on the ESA/NASA Mission SOHO (SOlar and Heliospheric Observato...

    Claus Fröhlich, Dominique A. Crommelynck, Christoph Wehrli, Martin Anklin… in Solar Physics (1997)

  6. No Access

    Article

    IN-FLIGHT PERFORMANCE OF THE VIRGO LUMINOSITY OSCILLATIONS IMAGER ABOARD SOHO

    The Luminosity Oscillations Imager (LOI) is a part of the VIRGO instrument aboard the Solar and Heliospheric Observatory (SOHO). The scientific objective of the LOI experiment is to identify and characterize p...

    Thierry Appourchaux, Bo N. Andersen, Claus Fröhlich, Antonio Jiménez… in Solar Physics (1997)

  7. No Access

    Chapter

    In-Flight Performance of the VIRGO Luminosity Oscillations Imager Aboard SOHO

    The Luminosity oscillations Imager (LOI) is a part of the VIRGO instrument aboard the Solar and Heliospheric observatory (SOHO). The scientific objective of the LOI experiment is to identify and characterize p...

    Thierry Appourchaux, Bo N. Andersen, Claus Fröhlich… in The First Results from SOHO (1997)

  8. No Access

    Chapter

    First Results from VIRGO, the Experiment for Helioseismology and Solar Irradiance Monitoring on SOHO

    First results from the VIRGO experiment (Variability of solar IRradiance and Gravity Oscillations) on the ESA/NASA Mission SOHO (Solar and Heliospheric Observatory) are reported. The observations started mid-J...

    Claus Fröhlich, Bo N. Andersen, Thierry Appourchaux… in The First Results from SOHO (1997)

  9. No Access

    Chapter

    In-Flight Performance of the VIRGO Solar Irradiance Instruments on SOHO

    The in-flight performance of the total and spectral irradiance instruments within VIRGO (Variability of solar IRradiance and Gravity Oscillations) on the ESA/NASA Mission SOHO (SOlar and Heliospheric observato...

    Claus Fröhlich, Dominique A. Crommelynck, Christoph Wehrli… in The First Results from SOHO (1997)

  10. No Access

    Article

    FIRST RESULTS FROM VIRGO, THE EXPERIMENT FOR HELIOSEISMOLOGY AND SOLAR IRRADIANCE MONITORING ON SOHO

    First results from the VIRGO experiment (Variability of solar IRradiance and Gravity Oscillations) on the ESA/NASA Mission SOHO (Solar and Heliospheric Observatory) are reported. The observations started mid-J...

    Claus Fröhlich, Bo N. Andersen, Thierry Appourchaux, Gabrielle Berthomieu… in Solar Physics (1997)

  11. No Access

    Article

    VIRGO: Experiment for helioseismology and solar irradiance monitoring

    The scientific objective of the VIRGO experiment (Variability of solar IRradiance and Gravity Oscillations) is to determine the characteristics of pressure and internal gravity oscillations by observing irradi...

    Claus Fröhlich, José Romero, Hansjörg Roth, Christoph Wehrli… in Solar Physics (1995)

  12. No Access

    Chapter

    Virgo: Experiment for Helioseismology and Solar Irradiance Monitoring

    The scientific objective of the VIRGO experiment (Variability of solar IRradiance and Gravity Oscillations) is to determine the characteristics of pressure and internal gravity oscillations by observing irradi...

    Claus Fröhlich, José Romero, Hansjörg Roth, Christoph Wehrli… in The SOHO Mission (1995)