The Instituto de Astrofisica de Canarias hosted this week the global meeting of the members of the European project The Whole Sun , a project approved and funded by the European Research Council (ERC) as part of its Synergy Grant calls. The duration of the project is seven years (from 2019 to 2026) and its full title is: “The whole Sun: untangling the complex physical mechanisms behind our eruptive star and its twins”. The main objective of the ERC’s Synergy Grant calls is to promote the joint work of groups of researchers in different European institutions so that all the necessary tools

The international CTAO LST Collaboration , in which the Instituto de Astrofísica de Canarias (IAC) plays a prominent role, released remarkable findings from observations of GRB 221009A—the brightest gamma-ray burst (GRB) ever recorded. The results were published by the renowned journal The Astrophysical Journal Letters (ApJ Letters) . The publication presents in-depth observations conducted in 2022 with the Large-Sized Telescope (LST ) prototype, the LST-1, during its commissioning phase at the Roque de los Muchachos Observatory (ORM) on the CTAO-North site in La Palma, Spain. The