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The European Research Council (ERC) has awarded an ERC Advanced Grant, funding for the development of research projects at the frontiers of knowledge, to the Professor of the Higher Council for Scientific Research (CSIC) Eduardo L. Martín Guerrero de Escalante, who is an active researcher at the Instituto de Astrofísica de Canarias (IAC). The project, entitled “Substellar Science with the Euclid Space Mission“ (SUBSTELLAR) has, as one of its main objectives, the use of data from the future space telescope Euclid to increase our knowledge of objects with substellar masses (brown dwarfs and
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An international team of astronomers, in which IAC researchers participate, have discovered barium, the heaviest element ever found in an exoplanet atmosphere. It has been discovered at high altitudes in the atmosphere of the exoplanets WASP-76 b and WASP-121 b, two ultra-hot gas giants. The unexpected discovery, made possible by the ESPRESSO instrument at the European Southern Observatory's Very Large Telescope (ESO's VLT), raises questions about what these exotic atmospheres may look like. WASP-76 b and WASP-121 b are no ordinary exoplanets. Both are referred to as ultra-hot Jupiters as
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The nearly primordial origin of an ancient star of the Milky Way confirmed by an international team of researchers thanks to the ESPRESSO spectrograph. Stars with very low content of chemical elements are considered to be the older stars in the Milky Way. Formed a few hundred million years after the Big Bang, a very small time compared to the age of the Universe, these stars are real fossils which encode the first phases of the chemical evolution of the Universe in their atmosphere. The star SMSS1605-1443, discovered in 2018, was identified as one of the earliest stars in the galaxy, but its
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