Astrophysical: Asteroseismology

  • Publication
    Detection of Solar-like Oscillations, Observational Constraints, and Stellar Models for θ Cyg, the Brightest Star Observed By the Kepler Mission
    θ Cygni is an F3 spectral type magnitude V = 4.48 main-sequence star that was the brightest star observed by the original Kepler spacecraft mission. Short...
  • Publication
    Detections of solar-like oscillations in dwarfs and subgiants with Kepler DR25 short-cadence data
    During the survey phase of the Kepler mission, several thousand stars were observed in short cadence, allowing for the detection of solar-like oscillations in...
  • Publication
    Determination of the iron content of Cepheids from the shape of their light curves
    We present the study of the metallicity dependence of the Fourier amplitude ratios R21 and R31 for the light curves of short-period Galactic classical Cepheids...
  • Publication
    Differential asteroseismic study of seismic twins observed by CoRoT. Comparison of HD 175272 with HD 181420
    Context. The CoRoT short asteroseismic runs give us the opportunity to observe a large variety of late-type stars through their solar-like oscillations. We...
  • Publication
    Diverse Variability of O and B Stars Revealed from 2-minute Cadence Light Curves in Sectors 1 and 2 of the TESS Mission: Selection of an Asteroseismic Sample
    Uncertainties in stellar structure and evolution theory are largest for stars undergoing core convection on the main sequence. A powerful way to calibrate the...
  • Conference
    Eclipsing Binaries and Asteroseismology
    With numerous active or recently completed public, space-based missions and ground-based follow-up surveys, never before has such a wealth of high-quality and...
  • Publication
    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...
  • Publication
    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...
  • Publication
    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...