Journal: Astronomy and Astrophysics

  • Publication
    Variable stars in Local Group galaxies: VII. New insights into the Leo II dSph
    Aims. Pulsating variable stars are invaluable tracers for reconstructing the star formation history and chemical evolution of their host galaxies. In this work...
  • Publication
    Variation in sunspot properties between 1999 and 2011 as observed with the Tenerife Infrared Polarimeter
    Aims: We study the variation in the magnetic field strength and the umbral intensity of sunspots during the declining phase of the solar cycle No. 23 and in the...
  • Publication
    Variation in sunspot properties between 1999 and 2014
    Aims: We study the variation in the magnetic field strength, area, and continuum intensity of umbrae in solar cycles 23 and 24. Methods: We analyzed a sample of...
  • Publication
    Variation of coronal line widths on and off the disk
    We present observations of a Mg X 625 Å coronal line, obtained with the CDS instrument on SoHO, extending from the disk part of the coronal hole to ~ 90 000 km...
  • Publication
    Variation of the stellar initial mass function in semi-analytical models. III. Testing the cosmic-ray regulated integrated galaxy-wide initial mass function
    Context. In our previous work, we derived the CR-IGIMF, which is a new scenario for a variable stellar initial mass function (IMF) that combines numerical...
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    Variations of the solar granulation motions with height using the GOLF/SoHO experiment
    Context: Below 1 mHz, the power spectrum of helioseismic velocity measurements is dominated by the spectrum of convective motions (granulation and...
  • Publication
    Vector magnetic field map at the photospheric level below and around a solar filament (neutral line)
    We present a vector magnetic field map obtained on 7 December 2003, below and around a filament located not so far from the active region NOAA 517, whose one...
  • Publication
    Vector magnetic fields of emerging solar flux. I. Properties at the site of emergence
    Several small emerging bipolar regions have been observed with the Advanced Stokes Polarimeter (ASP), including extensive time series measurements of one small...
  • Publication
    Velocity dispersion and dynamical mass for 270 galaxy clusters in the Planck PSZ1 catalogue
    We present the velocity dispersion and dynamical mass estimates for 270 galaxy clusters included in the first Planck Sunyaev-Zeldovich (SZ) source catalogue...