News

This section includes scientific and technological news from the IAC and its Observatories, as well as press releases on scientific and technological results, astronomical events, educational projects, outreach activities and institutional events.

  • Euclid first images

    The first test images from its two instruments show its potential for achieving its scientific goals. These images will be used to check the instruments and to see how Euclid can be adjusted and fine tuned for best performance. The European Space Agency (ESA)’s Euclid mission, in which the Instituto de Astrofísica de Canarias (IAC) is participating, will produce the biggest and most accurate 3D map of the universe. Euclid’s two instruments VIS (VISible instrument) and NISP (Near Infrared Spectrometer and Photometer) have taken their first test images. The results indicated that this space

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  • Artist’s image of the European solar Telescope (IDOM)

    9 institutions from 7 European countries today signed the documents for this organization, which will prepare the way towards the future construction of the European Solar Telescope (EST) One of the main aims of the EST is to improve our understanding of the Sun by observing its magnetic fields in unprecedented detail Representatives from 8 institutions in 7 European countries, among which are the Consejo Superior de Investigaciones Científicas (CSIC) and the Instituto de Astrofísica de Canarias (IAC) this morning in Santa Cruz de Tenerife, signed the founding documents of the Canary

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  • Comparison between galaxies with and without dark matter

    International research led by the Instituto de Astrofísica de Canarias (IAC) and the University of La Laguna (ULL) has found the first evidence of a massive galaxy with no dark matter. The result is a challenge to the current standard model of cosmology. The study is published in the specialized journal Astronomy and Astrophysics. A team of scientists, led by the researcher at the IAC and the University of La Laguna (ULL) Sebastién Comerón, has found that the galaxy NGC 1277 does not contain dark matter.This is the first time that a massive galaxy (it has a mass several times that of the

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  •  Euclid space mission

    The Euclid mission of the European Space Agency (ESA) will be launched into space tomorrow, 1st July to make the largest and most precise 3D map of the Universe. Spain has an important role in this project, where it is part of the the Consortium which has driven the mission since its origin. Spain has also participated significantly in the instrument design of the project, and will contribute to its scientific use. The Instituto de Astrofísica de Canarias (IAC) has collaborated in the design, construction and testing of the control electronics for one of the on-board instruments. It also

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  • Image of the Crescent Nebula (NGC 6888), a ring nebula associated with a galactic Wolf-Rayet star, in which significant temperature variations have been observed in the gas it contains. Credit: Daniel López / IAC

    H II regions are ionized nebulae associated with the formation of massive stars. They exhibit a wealth of emission lines in their spectra that form the basis for estimation of chemical composition. The amount of heavy chemical elements is essential to the understanding of important phenomena such as nucleosynthesis, star formation and chemical evolution of galaxies. For over 80 years, however, a discrepancy exists of a factor of around two between heavy-element abundances (the so-called metallicity) derived from the two main kinds of emission lines that can be measured in nebular spectra

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  • Estrellas supergigantes azules en h y X Persei

    Researchers at the Instituto de Astrofísica de Canarias (IAC) and the University of La Laguna (ULL), publish today in the journal Astronomy & Astrophysics the first results of a detailed study of nearly a thousand blue supergiants in the Milky Way. This is the biggest sample of stars of this type which has been studied until now. The study has used over 15 years of high quality observations taken mainly with the NOT and Mercator telescopes at the Roque de los Muchachos Observatory in La Palma. The analysis of these data will allow researchers to improve their knowledge of the evolution of

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