Astrophysical: Techniques

  • Publication
    TMCalc - a fast code to derive Teff and [Fe/H] for FGK stars
    We present a new direct spectroscopic calibration for a fast estimation of the stellar metallicity [Fe/H]. This calibration was computed using a large sample of...
  • Publication
    TOI-1055 b: Neptunian planet characterised with HARPS, TESS, and CHEOPS
    Context. TOI-1055 is a Sun-like star known to host a transiting Neptune-sized planet on a 17.5-day orbit (TOI-1055 b). Radial velocity (RV) analyses carried out...
  • Publication
    TOI-1130: A photodynamical analysis of a hot Jupiter in resonance with an inner low-mass planet
    The TOI-1130 is a known planetary system around a K-dwarf consisting of a gas giant planet, TOI-1130 c on an 8.4-day orbit that is accompanied by an inner...
  • Publication
    TOI-1135 b: A young hot Saturn-size planet orbiting a solar-type star
    Despite the thousands of planets in orbit around stars known to date, the mechanisms of planetary formation, migration, and atmospheric loss remain unresolved...
  • Publication
    TOI-1199 b and TOI-1273 b: Two new transiting hot Saturns detected and characterized with SOPHIE and TESS
    We report the characterization of two planet candidates detected by the Transiting Exoplanet Survey Satellite (TESS), TOI-1199 b and TOI-1273 b, with periods of...
  • Publication
    TOI-1201 b: A mini-Neptune transiting a bright and moderately young M dwarf
    We present the discovery of a transiting mini-Neptune around TOI-1201, a relatively bright and moderately young early M dwarf (J ≈ 9.5 mag, ~600-800 Myr) in an...
  • Publication
    TOI-1268b: The youngest hot Saturn-mass transiting exoplanet
    We report the discovery of TOI-1268b, a transiting Saturn-mass planet from the TESS space mission. With an age of less than 1 Gyr, derived from various age...
  • Publication
    TOI-132 b: A short-period planet in the Neptune desert transiting a V = 11.3 G-type star<SUP>★</SUP>
    The Neptune desert is a feature seen in the radius-period plane, whereby a notable dearth of short period, Neptune-like planets is found. Here, we report the...
  • Publication
    TOI-1416: A system with a super-Earth planet with a 1.07 d period
    TOI-1416 (BD+42 2504, HIP 70705) is a V =10 late G- or early K-type dwarf star. TESS detected transits in its Sectors 16, 23, and 50 with a depth of about 455...