Astrophysical: Exoplanet systems

  • Publication
    A Novel Method to Constrain Tidal Quality Factor from A Nonsynchronized Exoplanetary System
    We propose a novel method to constrain the tidal quality factor, , from an observed nonsynchronized star–planet system consisting of a slowly rotating low-mass...
  • 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 Radial Velocity Study of the Planetary System of π Mensae: Improved Planet Parameters for π Mensae c and a Third Planet on a 125 Day Orbit
    π Men hosts a transiting planet detected by the Transiting Exoplanet Survey Satellite space mission and an outer planet in a 5.7 yr orbit discovered by radial...
  • Publication
    A Shortcut to Calculate SPAM Limb-darkening Coefficients
    We release a new grid of stellar limb-darkening coefficients (LDCs, using the quadratic, power-2 and claret-4 laws) and intensity profiles for the Kepler, U, B...
  • News
    A study offers new prospects for finding life outside the Earth
    An international team of astronomers, in which the Instituto de Astrofísica de Canarias (IAC) has participated, has found an exoplanetary system formed by...
  • Publication
    A Super-Earth and Sub-Neptune Transiting the Late-type M Dwarf LP 791-18
    Planets occur most frequently around cool dwarfs, but only a handful of specific examples are known to orbit the latest-type M stars. Using TESS photometry, we...
  • News
    A system of superearths has been detected around the brightest red dwarf in the sky
    The exoplanets closest to us offer the best opportunities to make a detailed study of their physical properties, including the search for life outside the Solar...
  • Publication
    Asteroseismology of iota Draconis and Discovery of an Additional Long-period Companion
    Giant stars as known exoplanet hosts are relatively rare due to the potential challenges in acquiring precision radial velocities and the small predicted...
  • News
    Astronomers discover a planetary system with three super-Earths and two super-Mercuries
    International research, led by the Instituto de Astrofísica e Ciências do Espaço (IA) and with the participation of the the Instituto de Astrofísica de Canarias...