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La madrugada del 4 de enero el proyecto europeo Interreg EELabs retransmitirá la lluvia de meteoros de las Cuadrántidas desde el Observatorio del Teide, del Instituto de Astrofísica de Canarias, a través del canal sky-live.tv. Las Gemínidas y las Cuadrántidas son, junto a las Perseidas, las lluvias de meteoros más intensas del año, con una actividad que roza los 100 meteoros por hora (ZHR, tasas horarias cenitales) y que se mantiene constante año tras año (actividad cuadrántidas año 2021 en IMO). La noche del 3 al 4 de enero, además, será un momento óptimo para la observación de esta lluvia
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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
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The international collaboration Whole Earth Blazar Telescope (WEBT), in which researchers from the Instituto de Astrofísica de Canarias (IAC) participate, has discovered rapid and quasi-periodic variations in the observed brightness of the blazar BL Lacertae, located about a billion light-years away. These changes were observed during a strong outburst in 2020 and their origin is associated with a jet of high-energy particles. The study has used data from space satellites combined with observations from ground-based infrastructures, including the Teide Observatory (OT) and the Roque de los
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