Astrofísicas: Asterosismología

  • Publicación
    Convection, rotation, and magnetic activity of solar-like stars from asteroseismology
    During the last decade, our understanding of stellar physics and evolution has undergone a tremendous revolution thanks to asteroseismology. Space missions such...
  • Publicación
    Correcting the spectroscopic surface gravity using transits and asteroseismology. No significant effect on temperatures or metallicities with ARES and MOOG in local thermodynamic equilibrium
    Context. Precise stellar parameters (effective temperature, surface gravity, metallicity, stellar mass, and radius) are crucial for several reasons, amongst...
  • Publicación
    Detection of frequency spacings in the young O-type binary HD 46149 from CoRoT photometry
    Aims: Using the CoRoT space based photometry of the O-type binary HD 46149, stellar atmospheric effects related to rotation can be separated from pulsations...
  • Publicación
    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...
  • Publicación
    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...
  • Publicación
    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...
  • Publicación
    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...
  • Publicación
    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...
  • Noticia
    El satélite TESS fecha una antigua colisión de nuestra galaxia
    A partir de una sola estrella brillante en la constelación de Indus, un equipo internacional dirigido por la Universidad de Birmingham, con participación de...