Astrofísicas: Asterosismología

  • Publicación
    ESPRESSO at VLT. On-sky performance and first results
    Context. ESPRESSO is the new high-resolution spectrograph of ESO's Very Large Telescope (VLT). It was designed for ultra-high radial-velocity (RV) precision and...
  • Publicación
    Evidence of amplitude modulation due to resonant mode coupling in the δ Scuti star KIC 5892969. A particular or a general case?
    A study of the star KIC 5892969 observed by the Kepler satellite is presented. Its three highest amplitude modes present a strong amplitude modulation. The aim...
  • Publicación
    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...
  • Publicación
    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...
  • Publicación
    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...
  • Publicación
    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...
  • Publicación
    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...
  • Publicación
    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...
  • Publicación
    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...