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  • Action space (normalized to the sum of the three actions of motion, Jtot) of Gaia RVS stars
    Research news
    The Metal-Poor Edge of the Milky Way’s Thin Disk
    The formation and evolution of the disk of our Galaxy, the Milky Way, remains an enigma in astronomy. In particular, the relationship between the thick disk and the thin disk —two key components of the Milky Way— is still unclear. Understanding the chemical and dynamical properties of the stars within these disks is crucial, especially in the parameter spaces where their characteristics overlap, such the metallicity regime around [Fe/H] ~ -0.7, which marks the metal-poor end of the thin disk, higher than that of the thick disk. This is often interpreted as an indication that the thin disk
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  • Participants in the day of activities organized by the IAC, ACAPS and the MCC as part of the "Vacations in Peace" program. Credit: Iván Jiménez (IAC)
    Photomontage
    Saharawi children enjoyed a cosmic day in Tenerife
    This Tuesday, a group of Saharawi schoolchildren from the "Holidays in Peace" program, accompanied by their host families from Tenerife and Fuerteventura, have become real space explorers thanks to a day of outreach activities organized by the Scientific Communication and Outreach Unit (UC3) of the Instituto de Astrofísica de Canarias (IAC), together with the Asociación Canaria de Amistad con el Pueblo Saharaui (ACAPS) and the Museo de la Ciencia y el Cosmos (MCC, Museums of Tenerife). This action has been carried out in the framework of the summer activities of the Amanar project. With
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  • Image of galaxy M101 with supernova SN 2023ixf.
    Photomontage
    The WEAVE spectrograph captures the interaction of supernova SN 2023ixf with its surroundings one year after its explosion.
    A study conducted with the new WEAVE , installed on the Telescopio William Herschel (WHT) at the Observatorio del Roque de los Muchachos (La Palma), and in whose construction the Instituto de Astrofísica de Canarias (IAC) participated, has revealed clear signs of shock interaction in the Type II supernova SN 2023ixf. Almost a year after the explosion, the data obtained with WEAVE reveal complex emission features that provide new clues about the processes shaping the final stages of massive star evolution. SN 2023ixf, located in the nearby galaxy M101, is the closest Type II supernova
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