Astrophysical: Planetary atmospheres

  • News
    Astronomers observe differences in sunrises and sunsets on a distant world
    Using observations made with the James Webb Space Telescope (JWST), an international scientific team, in which the Instituto de Astrofísica de Canarias (IAC)...
  • Publication
    Atmospheric characterization of terrestrial exoplanets in the mid-infrared: biosignatures, habitability, and diversity
    Exoplanet science is one of the most thriving fields of modern astrophysics. A major goal is the atmospheric characterization of dozens of small, terrestrial...
  • Publication
    Detection of Ionized Calcium in the Atmosphere of the Ultra-hot Jupiter KELT-9b
    With a dayside temperature in excess of 4500 K, comparable to a mid-K-type star, KELT-9b is the hottest planet known. Its extreme temperature makes KELT-9b a...
  • Publication
    EChO. Exoplanet characterisation observatory
    A dedicated mission to investigate exoplanetary atmospheres represents a major milestone in our quest to understand our place in the universe by placing our...
  • 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...
  • Publication
    Jovian system science issues and implications for a Mariner Jupiter Orbiter mission
    Science goals for missions to Jupiter in the early 1980's are reviewed and a case is made for the science community to play the key role in assigning relative...
  • Publication
    Observations of Jupiter around 80 microns at high spectral resolution
    High-resolution (up to 0.02 kayser) airborne spectral observations of Jupiter in the range from 105 to 140 kaysers are presented. The procedures used to remove...
  • Publication
    UV Radiation in the Solar System
    The source of UV radiation in the solar system is mainly the Sun. The influence of its various compounds as well as the variability is discussed here. It is...