Astrophysical: Asteroseismology

  • Publication
    Evidence of chaotic modes in the analysis of four δ Scuti stars
    Context. Since CoRoT observations unveiled the very low amplitude modes that form a flat plateau in the power spectrum structure of δ Scuti stars, the nature of...
  • Publication
    First detection of oscillations in the Halo giant HD 122563: Validation of seismic scaling relations and new parameters
    Aims: The nearby metal-poor giant HD 122563 is an important astrophysical laboratory in which to test stellar atmospheric and interior physics. It is also a...
  • Publication
    First Results from the Hertzsprung SONG Telescope: Asteroseismology of the G5 Subgiant Star μ Herculis
    We report the first asteroseismic results obtained with the Hertzsprung Stellar Observations Network Group Telescope from an extensive high-precision radial...
  • Publication
    FliPer: A global measure of power density to estimate surface gravities of main-sequence solar-like stars and red giants
    Asteroseismology provides global stellar parameters such as masses, radii, or surface gravities using mean global seismic parameters and effective temperature...
  • Publication
    FliPerClass: In search of solar-like pulsators among TESS targets
    The NASA Transiting Exoplanet Survey Satellite (TESS) is about to provide full-frame images of almost the entire sky. The amount of stellar data to be analysed...
  • Publication
    Fundamental properties of five Kepler stars using global asteroseismic quantities and ground-based observations
    We present an asteroseismic study of the solar-like stars KIC 11395018, KIC 10273246, KIC 10920273, KIC 10339342, and KIC 11234888 using short-cadence time...
  • Publication
    Gaia Data Release 3. Pulsations in main sequence OBAF-type stars
    Context. The third Gaia data release provides photometric time series covering 34 months for about 10 million stars. For many of those stars, a characterisation...
  • Publication
    Galactic archaeology with asteroseismology and spectroscopy: Red giants observed by CoRoT and APOGEE
    With the advent of the space missions CoRoT and Kepler, it has recently become feasible to determine precise asteroseismic masses and relative ages for large...
  • Publication
    HD 89345: a bright oscillating star hosting a transiting warm Saturn-sized planet observed by K2
    We report the discovery and characterization of HD 89345b (K2-234b; EPIC 248777106b), a Saturn-sized planet orbiting a slightly evolved star. HD 89345 is a...