Astrofísicas: Asterosismología

  • Publicación
    Empirical Determination of Convection Parameters in White Dwarfs. I. Whole Earth Telescope Observations of EC14012-1446
    We report on an analysis of 308.3 hr of high-speed photometry targeting the pulsating DA white dwarf EC14012-1446. The data were acquired with the Whole Earth...
  • Evento
    Escuela: Binarias eclipsantes y astrosismología
    Gracias a las numerosas misiones públicas, espaciales y terrestres de seguimiento, activas o recientemente finalizadas, nunca antes se había dispuesto de tal...
  • 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
    Euclid preparation: LII. Forecast impact of super-sample covariance on 3×2pt analysis with Euclid
    Context. Deviations from Gaussianity in the distribution of the fields probed by large-scale structure surveys generate additional terms in the data covariance...
  • 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...