Journal: Astronomy and Astrophysics

  • Publication
    Determination of the properties of the central engine in microlensed QSOs
    We study a recently observed gravitational microlensing peak in the V-band light curve of Q2237+0305A using a relatively simple physical model, but one that is...
  • Publication
    Determining global parameters of the oscillations of solar-like stars
    Context. Helioseismology has enabled us to better understand the solar interior, while also allowing us to better constrain solar models. But now is a...
  • Publication
    Determining the dynamics and magnetic fields in He I 10830 Å during a solar filament eruption
    Aims: We investigate the dynamics and magnetic properties of the plasma, including the line-of-sight velocity (LOS) and optical depth, as well as the vertical...
  • Publication
    Determining the fraction of reddened quasars in COSMOS with multiple selection techniques from X-ray to radio wavelengths
    The sub-population of quasars reddened by intrinsic or intervening clouds of dust are known to be underrepresented in optical quasar surveys. By defining a...
  • Publication
    Diagnostic capabilities of spectropolarimetric observations for understanding solar phenomena. I. Zeeman-sensitive photospheric lines
    Future ground-based telescopes will expand our capabilities for simultaneous multi-line polarimetric observations in a wide range of wavelengths, from the near...
  • Publication
    Diagnostic potential of the Ca II 8542 Å line for solar filaments
    Aims: In this study we explore the diagnostic potential of the chromospheric Ca II line at 8542 Å for studying the magnetic and dynamic properties of solar...
  • Publication
    Differences between the Pallas collisional family and similarly sized B-type asteroids
    Context. B-type asteroids constitute a peculiar spectral class within the C-complex. Previous work has pointed out the difference between the visible geometric...
  • Publication
    Differential asteroseismic study of seismic twins observed by CoRoT. Comparison of HD 175272 with HD 181420
    Context. The CoRoT short asteroseismic runs give us the opportunity to observe a large variety of late-type stars through their solar-like oscillations. We...
  • Publication
    Differential image motion in astrometric observations with very large seeing-limited telescopes
    Aims. We investigate how to quantitatively model the observed differential image motion (DIM) in relative astrometric observations. Methods. As a test bed we...