Astrophysical: Exoplanets

  • Publication
    Giant Outer Transiting Exoplanet Mass (GOT 'EM) Survey. VI. Confirmation of a Long-period Giant Planet Discovered with a Single TESS Transit
    We report the discovery and confirmation of TOI-4465 b, a 1.25R J ‑ 0.07 R J + 0.08 R J , 5.89M J ± 0.26M J giant planet orbiting a G dwarf star at d ≃ 122 pc...
  • Publication
    Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Transmission Spectroscopy
    Recent discoveries of Earth-sized planets transiting nearby M dwarfs have made it possible to characterize the atmospheres of terrestrial planets via follow-up...
  • News
    Gliese 486 b: a Rosetta stone for the study of exoplanets
    An international scientific team , with the participation of the Institutito de Astrofísica de Canarias (IAC), has measured the mass and radius of an Earth-like...
  • Publication
    Ground-breaking exoplanet science with the ANDES spectrograph at the ELT
    In the past decade the study of exoplanet atmospheres at high-spectral resolution, via transmission/emission spectroscopy and cross-correlation techniques for...
  • Publication
    HD 119130 b Is Not an "Ultradense" Sub-Neptune
    We present a revised mass measurement for HD 119130 b (aka K2-292 b), a transiting planet (P = 17 days, R p = 2.63 ‑ 0.10 + 0.11 R ⊕) orbiting a...
  • Publication
    HD 119130 b Is Not an "Ultradense" Sub-Neptune
    We present a revised mass measurement for HD 119130 b (aka K2-292 b), a transiting planet (P = 17 days, R p = R ⊕) orbiting a chromospherically inactive G dwarf...
  • Publication
    HD 191939: Three Sub-Neptunes Transiting a Sun-like Star Only 54 pc Away
    We present the discovery of three sub-Neptune-sized planets transiting the nearby and bright Sun-like star HD 191939 (TIC 269701147, TOI 1339), a K s = 7.18 mag...
  • News
    Heaviest element yet detected in an exoplanet atmosphere
    An international team of astronomers, in which IAC researchers participate, have discovered barium, the heaviest element ever found in an exoplanet atmosphere...
  • Publication
    High-resolution Emission Spectroscopy of the Ultrahot Jupiter KELT-9b: Little Variation in Day- and Nightside Emission Line Contrasts
    The transmission spectrum of the ultrahot Jupiter KELT-9b (T eq ~ 4000 K) exhibits absorption by several metal species. We searched for atomic and molecular...