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.

  • Sculptor dwarf
    The journal Nature Astronomy publishes today, in its collection of reviews dedicated to dwarf galaxies, a new article written by Giuseppina Battaglia, researcher at the Instituto de Astrofísica de Canarias and the University of La Laguna, and Carlo Nipoti, researcher at the University of Bologna. The study describes the latest results on the search for dark matter in Local Group dwarf galaxies. Dark matter in dwarf galaxies is the subject of a review article published today in the journal Nature Astronomy in its living collection of articles that, from December 2021, is dedicated to the
    Advertised on
  • 1ES 1927+654
    An international research, in which a team from the Instituto de Astrofísica de Canarias (IAC) has participated, has provided new evidence for an enigmatic outburst from a galaxy 216 million light-years away, proposing a new interpretation based on a spontaneous flip of the magnetic field surrounding its central black hole. The study has used joint data from different satellites and telescopes, including the Telescopio Nazionale Galileo (TNG) and the Gran Telescopio Canarias (GTC), both located at the Roque de los Muchachos Observatory (Garafía, La Palma). The results will be published in
    Advertised on
  • Una imagen ilustrada de un púlsar viuda negra y su compañera estelar. Créditos: NASA's Goddard Space Flight Center/Cruz deWilde
    The research, carried out by an international group incuding the Instituto de Astrofísica de Canarias(IAC) and the University of La Laguna (ULL) also show that the binary system has a third star orbiting it , and which could have originated from close to the centre of the Milky Way. While the Earth takes 365 days to complete its orbit round the Sun, the star which orbits the new found pulsar ZTF J1406+1222 does it in 62 minutes, which makes it a neutron star in a binary system termed a “black widow”, with the shortest period measured until now. These data were obtained using the ultra-high
    Advertised on
  • Rocky planets
    An international research, in which the Instituto de Astrofísica de Canarias (IAC) participates, has discovered a new planetary system comprised of 4 planets orbiting the star TOI-500. This is the first system known to host an Earth analogue with a period shorter than one day and 3 additional low-mass planets whose orbital configuration can be explained via a non-violent and smooth migration scenario. The study is published in the journal Nature Astronomy. The inner planet, dubbed TOI-500b, is a so-called ultra-short period (USP) planet, as its orbital period is only 13 hours. It is regarded
    Advertised on
  • Iglesia Camino de Santiago
    A study led by the researcher of the Instituto de Astrofísica de Canarias Maitane Urrutia-Aparicio has shown the relevance of sunrise on Easter Sunday, one of the most important Christian festivities, in the orientation of Romanesque churches on the Camino de Santiago. This work exposes the close relationship between the sky and the orientation of the constructions of the Jacobean Route. It also shows that medieval societies already included temporal symbolism in the construction of their temples. The latest research results have been published in the journal Sustainability. "The main
    Advertised on
  • Spectra obtained with ESPRESSO, corresponding to three different transitions in an absorbing system at z=1.15 towards the quasar HE0515-4414, compared with previous spectra on the same object obtained with the UVES and HARPS spectrographs, at lower spectral resolution.
    Many of the most basic and important physical phenomena are determined by a set of “fundamental constants”, whose values are experimentally known to high accuracy. A key aspect is to know whether they are “universal constants”, i.e., whether they have always had the same value across the Universe and throughout its history . Here we made use of data from the ESPRESSO spectrograph on the Very Large Telescope (VLT) in order to determine the value of the fine structure constant 8 thousand million years ago (when the Universe was just 40% its current age) by measuring spectral transitions in a
    Advertised on