IAC and GTC engineers installing HORS in one of the GTC's Nasmyth platforms. Credit: Carlos Allende (IAC).
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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 normalAdvertised on -
An international review article in which IAC researcher Jesús Falcón Barroso is a contributor, explains how the study of stellar populations in galaxies outside the Milky Way and the Local Group, using techniques which are called “extragalactic archaeology”, permits the reconstruction of the processes of formation and evolution of those galaxies. This article has been published in the Annual Review of Astronomy & Astrophysics , one of the most prestigious journals in this field, to which only five researchers of the IAC have contributed during the lifetime of the Institute. How did theAdvertised on -
The Instituto de Astrofísica de Canarias (IAC) has been honoured with the Canary Islands Diamond Award in the category of Business and Economic Innovation, a distinction granted by Canal 4 Tenerife as part of the first edition of these awards on the occasion of its 30th anniversary. The recognition is bestowed “in acknowledgement of its scientific excellence and its international projection from the Canary Islands” and highlights the IAC’s contribution to the development of a knowledge-based economy in the Archipelago. The IAC was selected as the winner following a jury evaluation processAdvertised on