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Calar Alto turns stars into climate sensors

Calar Alto turns stars into climate sensors

portadaRIA

Almería, 1 August 2025

As part of the COCCON-España network of the Spanish State Weather Agency (AEMET), Calar Alto has participated in an intensive campaign to measure greenhouse gases. Along with a daytime atmospheric spectrometer at the observatory and another one installed at the University of Almería, the CARMENES instrument on the 3.5 m telescope has been used to quantify those gases during the night and feed the Astroclimes algorithm. This is a grounbreaking study of the global warming and its implications for climate change, in collaboration with AEMET and the universities of Almería (Spain) and Warwick (UK).

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Two to tango: rare dwarf-dwarf merger observed in a cosmic void environment

Two to tango: rare dwarf-dwarf merger observed in a cosmic void environment

eclipseAlmería, 16 June 2025

In the framework of the CAVITY project, an international team of researchers have studied in detail a remarkable couple of dwarf galaxies “dancing with each other” inside an unpopulated area of the Universe. This uncommon pair of low-mass galaxies merging “in the middle of nowhere”, near the center of a cosmic void, offers a unique view of one-on-one interactions and of the evolution of galaxies located in very low density environments.

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The Institute of Astrophysics of Andalusia hosts a nat’l meeting to promote collaboration between large Spanish observatories, incl. Calar Alto

The Institute of Astrophysics of Andalusia hosts a nat’l meeting to promote collaboration between large Spanish observatories, incl. Calar Alto

portadaRIA

Almería, 12th June 2025

About a hundred professionals participate in the 2nd edition of the meeting, celebrated in Granada from June 10th-13th, 2025, and organized by the Spanish Network of Infrastructures in Astronomy (RIA), in collaboration with the Institute of Astrophysics in Andalusia (IAA-CSIC), the Spanish Astronomical Centre in Andalusia (CAHA) at Calar Alto, and the Institute of Millimetric Radioastronomy (IRAM).
The Scientific Organizing Committee also includes members from the Institute of Astrophysics in the Canary Islands (IAC), the Astrophysical Observatory of Javalambre (OAJ-CEFCA), the Large Canarian Telescope (GRANTECAN), and the Yebes Observatory (OY-OAN).

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"Telling light pollution from coast to coast": a nat’l outreach event for the World Environment Day

"Telling light pollution from coast to coast": a nat’l outreach event for the World Environment Day

eclipse

Almería, 2 June 2025

The event, coordinated by the Spanish National Research Council (CSIC), will bring together, on June 5th, 2025, experts in the field, who will simultaneously give 21 informative talks in 19 Spanish cities to raise awareness among the general public about this growing threat. Calar Alto Observatory participates in the fight against this environmental challenge with a talk open to the public at the Museum of Contemporary Spanish Realism (MuReC), in the city of Almeria, at 6 pm.

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  1. A new camera from Sevilla in Calar Alto to study Venus’ clouds
  2. Four solar eclipses in three years in Spain: how to observe them easily and safely?
  3. PANIC, the first 4K infrared camera for the European sky

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Centro Astronómico Hispano en Andalucía
Observatorio de Calar Alto
Sierra de los Filabres
04550 Gérgal (Almería, SPAIN)

+34-950-632500

+34-950-632504

info@caha.es

Carl Sagan

Somos polvo de estrellas, buscando en el firmamento las respuestas que el universo tiene guardadas para nosotros. La astronomía es el arte de desvelar los secretos del cosmos, y cada noche, al observar el cielo, nos acercamos un poco más a nuestro lugar en el infinito.

Carl Sagan
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  • News
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