Astrophysical: Exoplanets

  • Publication
    Multicolour validation of two temperate mini-Neptunes around M-dwarf habitable zones
    For small planets orbiting within the habitable zones of their host stars, multicolour validation via photometric transit observations offers an efficient...
  • Publication
    Near-resonance in a System of Sub-Neptunes from TESS
    We report the Transiting Exoplanet Survey Satellite detection of a multi-planet system orbiting the V = 10.9 K0 dwarf TOI-125. We find evidence for up to five...
  • News
    New Earths discovered around a very small star
    An international team led by the University of Göttingen (Germany) with participation by researchers from the Instituto de Astrofísica de Canarias (IAC) have...
  • Publication
    New Mass and Radius Constraints on the LHS 1140 Planets: LHS 1140 b Is either a Temperate Mini-Neptune or a Water World
    The two-planet transiting system LHS 1140 has been extensively observed since its discovery in 2017, notably with Spitzer, HST, TESS, and ESPRESSO, placing...
  • Talk
    New Worlds: the Search for Planets outside the Solar System
    For thousands of years humankind has speculated on the existence of planets and life beyond the solar system, but until recently astronomers have had only our...
  • News
    Nobel laureate Didier Queloz visits the IAC and outlines the ‘next frontier’ in the search for exoplanets
    The Instituto de Astrofísica de Canarias (IAC) welcomed the visit of Professor Didier Queloz, Nobel Laureate in Physics and co-discoverer of the first exoplanet...
  • News
    Nobel Prize winner in Physics John Mather will explore the enigmas of physics at the Museum of Science and the Cosmos in Tenerife
    The Museo de la Ciencia y el Cosmos, part of the Organismo Autónomo de Museos y Centros del Cabildo de Tenerife, will host a conference by the astrophysicist...
  • Publication
    Non-detection of He I in the Atmosphere of GJ 1214b with Keck/NIRSPEC, at a Time of Minimal Telluric Contamination
    Observations of helium in exoplanet atmospheres may reveal the presence of large gaseous envelopes and indicate ongoing atmospheric escape. Orell-Miquel et al....
  • Talk
    Observations of Transiting Exoplanets
    I will present the last results of the Transit Monitoring in the South (TraMoS) project. Since 2008, TraMoS has monitored transits of 30 exoplanets with...