Journal: Astronomy and Astrophysics

  • Publication
    TOI-519 b: A short-period substellar object around an M dwarf validated using multicolour photometry and phase curve analysis
    Context. We report the discovery of TOI-519 b (TIC 218795833), a transiting substellar object (R = 1.07 R Jup) orbiting a faint M dwarf (V = 17.35) on a 1.26 d...
  • Publication
    TOI-5678b: A 48-day transiting Neptune-mass planet characterized with CHEOPS and HARPS★
    Context. A large sample of long-period giant planets has been discovered thanks to long-term radial velocity surveys, but only a few dozen of these planets have...
  • Publication
    TOI-663: A newly discovered multi-planet system with three transiting mini-Neptunes orbiting an early M star
    We present the detection of three exoplanets orbiting the early M dwarf TOI-663 (TIC 54962195; V = 13.7 mag, J = 10.4 mag, R ★ = 0.512 ± 0.015 R ⊙, M ★ = 0.514...
  • Publication
    TOI-674b: An oasis in the desert of exo-Neptunes transiting a nearby M dwarf
    Context. The NASA mission TESS is currently doing an all-sky survey from space to detect transiting planets around bright stars. As part of the validation...
  • Publication
    TOI-733 b: A planet in the small-planet radius valley orbiting a Sun-like star
    We report the discovery of a hot (T eq ≈ 1055 K) planet in the small-planet radius valley that transits the Sun-like star TOI-733. It was discovered as part of...
  • Publication
    TOI-969: a late-K dwarf with a hot mini-Neptune in the desert and an eccentric cold Jupiter
    Context. The current architecture of a given multi-planetary system is a key fingerprint of its past formation and dynamical evolution history. Long-term follow...
  • Publication
    Tomography of the environment of the COSMOS/AzTEC-3 submillimeter galaxy at z ∼ 5.3 revealed by Lyα and MUSE observations
    Context. Submillimeter galaxies (SMGs) have been proposed as the progenitors of massive ellipticals in the local Universe. Mapping the neutral gas distribution...
  • Publication
    Torus and polar dust dependence on active galactic nucleus properties
    We present a statistical analysis of the properties of the obscuring material around active galactic nuclei (AGN). This study represents the first of its kind...
  • Publication
    Toward a clean sample of ultra-luminous X-ray sources
    Context: .Observational follow-up programmes for the characterization of ultra-luminous X-ray sources (ULXs) require the construction of clean samples of such...