Astrophysical: Exoplanet evolution

  • News
    A planet in the process of formation found round the nearby young star AU Mic
    An international team of scientists, with the participation of the Instituto de Astrofísica de Canarias (IAC), has discovered a planet of the size of Neptune...
  • Publication
    A Possible Alignment Between the Orbits of Planetary Systems and their Visual Binary Companions
    Astronomers do not have a complete picture of the effects of wide-binary companions (semimajor axes greater than 100 au) on the formation and evolution of...
  • News
    A study shows that “water worlds” could be as common as Earths
    Research led by the University of Chicago and the Instituto de Astrofísica de Canarias (IAC) has shown the existence of exoplanets with water and rock around...
  • Publication
    An Earth-sized Planet on the Verge of Tidal Disruption
    TOI-6255 b (GJ 4256) is an Earth-sized planet (1.079 ± 0.065 R ⊕) with an orbital period of only 5.7 hr. With the newly commissioned Keck Planet Finder and...
  • Publication
    Constraining Atmospheric Composition from the Outflow: Helium Observations Reveal the Fundamental Properties of Two Planets Straddling the Radius Gap
    TOI-836 is a ∼2–3 Gyr K dwarf with an inner super Earth (R = 1.7 R ⊕, P = 3.8 days) and an outer mini-Neptune (R = 2.6 R ⊕, P = 8.6 days). JWST/NIRSpec 2.8–5.2...
  • Publication
    Debris Disks Can Contaminate Mid-infrared Exoplanet Spectra: Evidence for a Circumstellar Debris Disk around Exoplanet Host WASP-39
    The signal from a transiting planet can be diluted by astrophysical contamination. In the case of circumstellar debris disks, this contamination could start in...
  • News
    Eccentric exoplanet reveals how hot jupiters form
    An international scientific team, in which the Instituto de Astrofísica de Canarias (IAC) participates, has discovered the extremely eccentric orbit of a gas...
  • Publication
    Evidence for Low-level Dynamical Excitation in Near-resonant Exoplanet Systems
    The geometries of near-resonant planetary systems offer a relatively pristine window into the initial conditions of exoplanet systems. Given that near-resonant...
  • Publication
    Hyades Member K2-136c: The Smallest Planet in an Open Cluster with a Precisely Measured Mass
    K2-136 is a late-K dwarf (0.742 ± 0.039 M ⊙) in the Hyades open cluster with three known, transiting planets and an age of 650 ± 70 Myr. Analyzing K2 photometry...