English (UK)
Almería, August 22nd 2024
A new research led from the Centro de Astrobiología in Madrid (CAB, INTA-CSIC) has revised a previous study from NASA that had claimed the discovery, by the transit method alone, of an exoplanet orbiting the star K2-399.
Using more complete observations, including those taken from Calar Alto with CARMENES, the new research concludes that the detected transits, those mini-eclipses, are not due to a planet but to a pair of red dwarf stars orbiting K2-399, while eclipsing each other, which perfectly mimics a typical exoplanetary transit. This case reminds us that revision based on new data, and where appropriate, correction of previous results, is the basis of the scientific method.
Almeria, July 15th, 2024
The CAVITY international project, led from the University of Granada and based on three-dimensional (3D) images taken at Calar Alto, publishes a sample of 100 galaxies located in the so-called "voids", the most uninhabited areas of the Universe. These galaxies represent a pristine population, a reference sample for multiple cosmological studies.
The two-dimensional (2D) spectra obtained with the PMAS instrument on the 3.5 m telescope for CAVITY are made freely available to the public today at https://cavity.caha.es. CAVITY is one of three major ongoing legacy programs at Calar Alto, the largest optical observatory on the Old Continent.
28 de junio de 2024
El Observatorio de Calar Alto recibe a representantes de Gobierno, CSIC, Junta, Diputación y alcaldías de Almería
El Centro Astronómico Hispano en Andalucía, A.I.E. (Calar Alto) ha sido objeto hoy de una visita con la asistencia de diversas autoridades de la provincia de Almería, en un evento que ha permitido dar a conocer las instalaciones y proyectos en los que se trabaja desde esta instalación científica a la sociedad almeriense.
En este sentido, a lo largo de la jornada se ha contado con la presencia de representantes provinciales del Gobierno de España, la Junta de Andalucía, la Universidad de Almería y de los Ayuntamientos de Gérgal, Bacares y Serón. En concreto, han asistido José María Martín Fernández, Subdelegado del Gobierno de España en Almería; Margarita Paneque Sosa, Delegada del Consejo Superior de Investigaciones Científicas (CSIC) en Andalucía; Aránzazu Martín Moya, Delegada de Gobierno de la Junta de Andalucía en Almería; Dolores Martínez Utrera, Delegada Territorial de Fomento de la Junta de Andalucía en Almería; Francisco Alonso Martínez, Delegado Territorial de Desarrollo Educativo de la Junta de Andalucía en Almería; Antonio Jesús Rodríguez Segura, Diputado Provincial de Fomento e Infraestructuras; José Joaquín Céspedes Lorente, Rector Universidad de Almería; Antonia Contreras Ortega– Alcaldesa de Gérgal; Encarnación Zaguirre Fernández; Alcaldesa de Bacares; y Manuel Martínez Domene, Alcalde de Serón.
May 23, 2024
Using space and ground-based telescopes, including the 3.5 m at Calar Alto, an international team has discovered a rocky planet named Gliese 12 b. It is very similar in size to Venus and orbits in the habitable zone around the red dwarf star Gliese 12, less than 40 light-years from the Sun.
Thanks to its proximity and its equilibrium temperature of about 42°C, Gliese 12 b is an ideal candidate for studying its possible atmosphere with the James Webb Space Telescope when mini-eclipses (or transits) of Gliese 12 take place.
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