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X-WR-CALDESC:Eventos para Instituto de Astrofísica de Andalucía
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CREATED:20241219T121029Z
LAST-MODIFIED:20250912T080532Z
UID:22550-1737450000-1761843600@www.iaa.csic.es
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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BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20250130T120000
DTEND;TZID=Europe/Paris:20250130T130000
DTSTAMP:20260422T103816
CREATED:20250127T084441Z
LAST-MODIFIED:20250912T080210Z
UID:24341-1738238400-1738242000@www.iaa.csic.es
SUMMARY:SO Colloquium: Modelling of large-scale magnetic field in low-mass stars
DESCRIPTION:Recent spectropolarimetric observations of low-mass stars show that large-scale components of their magnetic fields can exhibit cyclic variations or reversals. This magnetic activity affects detection of exoplanets and estimation of their masses\, and so its modelling is particularly important. In convective stellar envelopes\, magnetic fields are created through dynamo action – systematic stretching and twisting of magnetic field lines by helical convective vortices. It is yet however unclear how low-mass stars\, with their strong convective turbulence and relatively slow rotation\, are able to maintain coherent large-scale magnetic activity. In this talk\, I will discuss the physical mechanisms that allow magnetic flux to accumulate at large scales in both turbulent and strongly stratified models of stellar convection. In such models\, a highly turbulent convective layer is formed at the surface while the deep flow interiors remain rotationally constrained. Using direct numerical simulations of such flows\, I will show that small-scale magnetic flux\, generated by small-scale turbulence in the outer flow regions with low density\, is systematically transported into more quiescent inner regions by global magnetic pumping mechanism. Consequently\, the dipolarity of the field at the surface of the domain increases both with enhancement of turbulence and stratification. I will also explore the mechanisms of destabilization of magnetic fields resulting in magnetic reversals\, and their dynamical interactions with zonal flows; finally\, I will discuss the impact of differential rotation on magnetic fields during star formation. Both processes could be responsible for diversity of magnetic topology and activity patterns observed in low-mass stars. \nFecha: 30/01/2025 – 12:00Conferenciante: Dr. Anna GusevaFiliación: Observatoire de Paris\, France. \n 
URL:https://www.iaa.csic.es/evento/so-colloquium-modelling-of-large-scale-magnetic-field-in-low-mass-stars/
LOCATION:IAA – CSIC\, Glorieta de la Astronomía\, Granada\, España
CATEGORIES:SO Colloquium
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DTSTART;TZID=Europe/Paris:20250130T190000
DTEND;TZID=Europe/Paris:20250130T200000
DTSTAMP:20260422T103816
CREATED:20250114T075954Z
LAST-MODIFIED:20250125T011041Z
UID:22668-1738263600-1738267200@www.iaa.csic.es
SUMMARY:La Tierra que acunó la vida: el papel de la sílice
DESCRIPTION:En esta conferencia exploraremos los nichos geoquímicos de la Tierra primitiva que pudieron albergar la transición de la geoquímica inorgánica a la geoquímica orgánica\, y de ahí a la química prebiotica y la emergencia de la complejidad que derivaría en las primeras estructuras similares a la vida.  \nDesvelaremos el papel crucial de los minerales\, en especial de la sílice\, en la autoorganización mineral y en la catálisis heterogénea de la química prebiótica. Y discutiremos la relevancia de esos resultados experimentales en el origen de la vida y en la detección de vida primitiva terrestre y extraterrestre. \nEl Dr. Juan Manuel García-Ruiz\, es Profesor Ikerbasque en el Donostia International Physics Center y Profesor de Investigación ad-honorem en el Instituto Andaluz de Ciencias de la Tierra en el CSIC. Lidera actualmente el proyecto ERC-Synergy “El papel del sílice en el amanecer de la vida en nuestro Planeta”. \nFecha: 30/01/2025 – 19:00Conferenciante: Juan Manuel García-RuizFiliación: Donostia International Physics Center e IACT-CSIC \n 
URL:https://www.iaa.csic.es/evento/la-tierra-que-acuno-la-vida-el-papel-de-la-silice/
LOCATION:IAA – CSIC\, Glorieta de la Astronomía\, Granada\, España
CATEGORIES:Conferencias Lucas Lara
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