Journal: Astronomy and Astrophysics

  • Publication
    Solar-like oscillations in red giants observed with Kepler: comparison of global oscillation parameters from different methods
    Context. The large number of stars for which uninterrupted high-precision photometric timeseries data are being collected with Kepler and CoRoT initiated the...
  • Publication
    Solar-like oscillations in γ Cephei A as seen through SONG and TESS. A seismic study of γ Cephei A
    Context. Fundamental stellar parameters such as mass and radius are some of the most important building blocks in astronomy, both when it comes to understanding...
  • Publication
    Solar-like oscillations with low amplitude in the CoRoT target HD 181906
    Context: The F8 star HD 181906 (effective temperature ˜6300 K) was observed for 156 days by the CoRoT satellite during the first long run in the direction of...
  • Publication
    Some properties of an isolated sunspot
    We present an investigation of a single sunspot observed in the neutral Fe line at 1089.6 nm with the Tenerife Infrared Polarimeter at the Vacuum Tower...
  • Publication
    SOPHIE velocimetry of Kepler transit candidates. XII. KOI-1257 b: a highly eccentric three-month period transiting exoplanet
    In this paper we report a new transiting warm giant planet: KOI-1257 b. It was first detected in photometry as a planet-candidate by the Kepler space telescope...
  • Publication
    Space density distribution of galaxies in the absolute magnitude - rotation velocity plane: a volume-complete Tully-Fisher relation from CALIFA stellar kinematics
    We measured the distribution in absolute magnitude - circular velocity space for a well-defined sample of 199 rotating galaxies of the Calar Alto Legacy...
  • Publication
    Sparse inversion of Stokes profiles. I. Two-dimensional Milne-Eddington inversions
    Context. Inversion codes are numerical tools used to infer physical properties from observations. Despite their success, the quality of current...
  • Publication
    Spatial changes of the oscillatory pattern in sunspot penumbrae at the photospheric level.
    We analyze time sequences of photospheric spectral lines in the penumbra of two sunspots. Two spectral lines sensitive to velocity fluctuations at two different...
  • Publication
    Spatial deconvolution of spectropolarimetric data: an application to quiet Sun magnetic elements
    Context. One of the difficulties in extracting reliable information about the thermodynamical and magnetic properties of solar plasmas from spectropolarimetric...