Astrophysical: Techniques

  • Publication
    The highly inflated giant planet WASP-174b
    Context. The transiting exoplanetary system WASP-174 was reported to be composed by a main-sequence F star (V = 11.8 mag) and a giant planet, WASP-174b (orbital...
  • Publication
    The History of a Quiet-Sun Magnetic Element Revealed by IMaX/SUNRISE
    Isolated flux tubes are considered to be fundamental magnetic building blocks of the solar photosphere. Their formation is usually attributed to the...
  • Publication
    The Horizontal Magnetic Flux of the Quiet-Sun Internetwork as Observed with the Hinode Spectro-Polarimeter
    Observations of very quiet Sun using the Solar Optical Telescope/Spectro-Polarimeter (SOT/SP) aboard the Hinode spacecraft reveal that the quiet internetwork...
  • Publication
    The hot dayside and asymmetric transit of WASP-189 b seen by CHEOPS
    The CHEOPS space mission dedicated to exoplanet follow-up was launched in December 2019, equipped with the capacity to perform photometric measurements at the...
  • Publication
    The hottest horizontal-branch stars in ω Centauri. Late hot flasher vs. helium enrichment
    Context: UV observations of some massive globular clusters have revealed a significant population of very hot stars below the hot end of the horizontal branch...
  • Publication
    The HU Aqr planetary system hypothesis revisited
    We study the mid-egress eclipse timing data gathered for the cataclysmic binary HU Aquarii during the years 1993-2014. The (O-C) residuals were previously...
  • Publication
    The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters - IV. Helium content and relative age of multiple stellar populations within NGC 6352
    In this paper, we combine Wide Field Camera3/UVIS F275W, F336W, and F438W data from the `UV Legacy Survey of Galactic Globular Clusters: Shedding Light on Their...
  • Publication
    The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters - IV. Helium content and relative age of multiple stellar populations within NGC 6352
    In this paper, we combine Wide Field Camera3/UVIS F275W, F336W, and F438W data from the `UV Legacy Survey of Galactic Globular Clusters: Shedding Light on Their...
  • Publication
    The Hubble Space Telescope UV Legacy Survey of Galactic globular clusters - IX. The Atlas of multiple stellar populations
    We use high-precision photometry of red-giant-branch (RGB) stars in 57 Galactic globular clusters (GCs), mostly from the `Hubble Space Telescope (HST) UV Legacy...