Astrophysical: Stellar oscillations

  • Talk
    1st IAU-G5 seminar: The revolution of task-based computing, applied to stellar and planetary atmospheres
    (This seminar is organized by the IAU G5 commission on stellar and planetary atmospheres) Task-based computing is a method where computational problems are...
  • Publication
    A method to extract p-modes frequencies from solar like stars acoustic spectra with S/N = 1/100
    The necessity of finding a signal buried in noise is a common problem in astrophysics where noise limited observations are usually preceding interesting...
  • Publication
    A new pulsating PG 1159 white dwarf - RXJ 2117.1 + 3412
    RXJ 2117.1 + 3412 is a newly spectroscopically identified bright PG1159 star discovered in the ROSAT XRT sky survey. We report the results of rapid photometry...
  • Publication
    A search for solar-like oscillations in the stars of M67 with CCD ensemble photometry on a network of 4 M telescopes
    Results are presented from a large observational project directed toward the detection of solar-like oscillations in an ensemble of open cluster stars. Seven...
  • Publication
    A theoretical interpretation of the Delta Scuti-like pulsation of the star 63 Herculis
    Theoretical pulsation frequencies derived from a typical model computation are used to identify the periods during which the Delta Scuti star 63 Herculis...
  • Publication
    Acoustic oscillations in the K2 III star Arcturus
    Simultaneous spectrometric and photometric observations have been performed on the red giant star Arcturus, in a search for radial velocity or luminosity...
  • Publication
    Asteroseismology and Spectropolarimetry of the Exoplanet Host Star λ Serpentis
    The bright star λ Ser hosts a hot Neptune with a minimum mass of 13.6 M ⊕ and a 15.5 day orbit. It also appears to be a solar analog, with a mean rotation...
  • Talk
    Asteroseismology in the Gaia Era: A New View of the Milky Way
    Time-domain space missions have revolutionized our understanding of stellar physics and stellar populations. Virtually all evolved stars can be detected as...
  • News
    Astronomers discover a pulsating teardrop-shaped star
    An international team of astronomers, including researchers from the Instituto de Astrofísica de Canarias, has found for the first time an unusual star that...