Astrophysical: Techniques

  • Publication
    TEE, an estimator for the precision of eclipse and transit minimum times
    Context. Transit or eclipse timing variations have proven to be a valuable tool in exoplanet research. However, no simple way to estimate the potential...
  • Publication
    Temporal evolution of arch filaments as seen in He I 10 830 Å
    Aims: We study the evolution of an arch filament system (AFS) and of its individual arch filaments to learn about the processes occurring in them. Methods: We...
  • Publication
    Temporal evolution of small-scale internetwork magnetic fields in the solar photosphere
    Context. While the longitudinal field that dominates in photospheric network regions has been studied extensively, small-scale transverse fields have recently...
  • Publication
    TESS and CHEOPS discover two warm sub-Neptunes transiting the bright K-dwarf HD 15906
    We report the discovery of two warm sub-Neptunes transiting the bright (G = 9.5 mag) K-dwarf HD 15906 (TOI 461, TIC 4646810). This star was observed by the...
  • Publication
    TESS and ESPRESSO discover a super-Earth and a mini-Neptune orbiting the K-dwarf TOI-238*
    The number of super-Earth and mini-Neptune planet discoveries has increased significantly in the last two decades thanks to transit and radial velocity (RV)...
  • Publication
    TESS asteroseismology of the known planet host star λ<SUP>2</SUP> Fornacis
    Context. The Transiting Exoplanet Survey Satellite (TESS) is observing bright known planet-host stars across almost the entire sky. These stars have been...
  • Publication
    TESS discovery of a super-Earth orbiting the M-dwarf star TOI-1680
    We report the discovery by the TESS mission of a super-Earth on a 4.8-days orbit around an inactive M4.5 dwarf (TOI-1680), validated by ground-based facilities...
  • Publication
    TESS discovery of two super-Earths orbiting the M-dwarf stars TOI-6002 and TOI-5713 near the radius valley
    We present the validation of two TESS super-Earth candidates transiting the mid-M dwarfs TOI-6002 and TOI-5713 every 10.90 and 10.44 days, respectively. The...
  • Publication
    Testing Microvariability in Quasar Differential Light Curves Using Several Field Stars
    Microvariability consists of small timescale variations of low amplitude in the photometric light curves of quasars and represents an important tool to...