A hungry black hole which wakes up every 25 years

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  • Didier Queloz during his lecture in the IAC Aula
    Press release
    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 orbiting a Sun-like star. Professor Queloz's stay at the IAC has focused on instrumental development and technological collaboration. As part of his agenda, he also gave a lecture entitled ‘Exoplanets: the next frontier’ in the IAC Lecture Hall. The researcher visited the IAC to supervise the installation of a new high-stability spectrograph on the Isaac Newton Telescope (INT) at the Roque de los Muchachos Observatory on La Palma
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  • Imagen del cartel de la mesa redonda en el MCC / IAC
    Press release
    El IAC participa en una reflexión entre la conexión entre el cielo y la naturaleza con motivo del 8M en el Museo de la Ciencia y el Cosmos
    Con motivo del Día Internacional de la Mujer, que se conmemora ese 8M, el Instituto de Astrofísica de Canarias (IAC) participa en una iniciativa que invita a redescubrir nuestra relación con el universo desde una perspectiva científica y humana de la mano de la entidad iisgood. Bajo el título de ‘Volver a soñar estrellas’, el Museo de la Ciencia y el Cosmos (MCC), del Organismo Autónomo de Museos y Centros del Cabildo de Tenerife, acogerá una mesa redonda este 12 de marzo a las 17:30 horas con entrada libre y gratuita hasta completar el aforo. En este encuentro, cinco destacadas
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  • Eclipse caused by a super-Jupiter or brown dwarf with massive rings
    Press release
    A giant ring system around a substellar object causes a rare nine-month eclipse of its host star
    An international scientific team, involving the University of La Laguna (ULL) and the Instituto de Astrofísica de Canarias (IAC), has identified the cause of an unusually long dimming of a distant star . The phenomenon is explained by the passage of a substellar object with a giant ring system, similar to a ‘cosmic saucer’, in front of the host star. The star, named ASASSN-24fw, is located in the Monoceros constellation at about 3,000 light-years away from Earth. The star faded steadily for more than nine months between late 2024 and mid-2025 to about 97% dark before returning to its normal
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