Journal: Astronomy and Astrophysics

  • Publication
    Solar Radial Velocity and Oscillations as Measured by Sodium and Potassium Resonant Scattering Spectrometers
    Since the beginning of 1990, a sodium based resonance scattering spectrometer belonging to the IRIS Network has operated at Observatorio del Teide side by side...
  • Publication
    Solar surges related to UV bursts. Characterization through k-means, inversions, and density diagnostics
    Context. Surges are cool and dense ejections typically observed in chromospheric lines and closely related to other solar phenomena such as UV bursts or coronal...
  • Publication
    Solar-like oscillations in HD 181420: data analysis of 156 days of CoRoT data
    Context: The estimate of solar-like oscillation properties, such as their frequencies, amplitudes and lifetimes, is challenging because of their low amplitudes...
  • 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...