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X-WR-CALDESC:Eventos para Instituto de Astrofísica de Andalucía
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SUMMARY:Academic Spanish Course for Foreigners (2025)
DESCRIPTION:The Academic Spanish course for foreigners is designed to facilitate effective communication in academic and profesional contexts. Through a practical and personalized focus\, the participants will develop essential linguistic abilities to discuss scientific articles\, participate in conferences\, give presentations\, and collaborate in international projects. The program includes technical vocabulary\, beginner and advanced grammar\, and simulations of real-life situations. Moreover\, it will promote the cultural immersion to strengthen the comprehension of the Hispanic world\, and their impact on interdisciplinary investigation and collaboration. \nThis course will be taught throughout in the following blocks: \nJanuary 21st – February 27thApril 22nd – May 29thSeptember 23rd – October 30thThe course is taught by Prof. Nazira Ruíz
URL:https://www.iaa.csic.es/evento/academic-spanish-course-for-foreigners-2025/
LOCATION:IAA – CSIC\, Glorieta de la Astronomía\, Granada\, España
CATEGORIES:SO Training
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UID:24345-1738326600-1738328400@www.iaa.csic.es
SUMMARY:Resolving Stellar Angular Diameters with Asteroid Occultations
DESCRIPTION:Occultations have been used for measuring stellar angular diameters since 1936 when French astronomy M. A. Arnulf measured the radius of Regulus during a lunar occultation. Since then\, astronomers have used lunar occultations to measure the angular diameters of hundreds of bright stars m≤5. The technique of measuring an angular diameter using lunar occultations is based on the diffraction of light around the limb of the moon. With this technique\, stars down to 1 milliarcsecond could be resolved. In 2018\, the ground-based gamma-ray observatory VERITAS detected two asteroid occultations. By imaging the diffraction pattern produced during the ingress and egress of the occultation\, VERITAS measured at that time the smallest stellar angular diameter ever recorded of the G IV star TYC 278-748-1 (0.094+0.009 −0.010 mas). Currently\, several other stars have also had angular diameters measured. This presentation details the technique\, current analysis\, and some preliminary results for stellar angular diameters \nFecha: 31/01/2025 – 12:30Conferenciante: Joshua BartkoskeFiliación: University of Utah\, USA \n 
URL:https://www.iaa.csic.es/evento/resolving-stellar-angular-diameters-with-asteroid-occultations/
LOCATION:IAA – CSIC\, Glorieta de la Astronomía\, Granada\, España
CATEGORIES:Seminarios
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