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X-ORIGINAL-URL:https://www.iaa.csic.es
X-WR-CALDESC:Eventos para Instituto de Astrofísica de Andalucía
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BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20250121T090000
DTEND;TZID=Europe/Paris:20251030T170000
DTSTAMP:20260422T092008
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
ATTACH;FMTTYPE=image/jpeg:https://www.iaa.csic.es/wp-content/uploads/2024/12/academicspanish.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20250121T123000
DTEND;TZID=Europe/Paris:20250121T133000
DTSTAMP:20260422T092008
CREATED:20241219T105200Z
LAST-MODIFIED:20250125T200435Z
UID:22511-1737462600-1737466200@www.iaa.csic.es
SUMMARY:An Unusual Triple System: CN Lyn
DESCRIPTION:Triple star systems hold significant astrophysical importance\, offering profound insights into stellar evolution\, dynamical interactions\, and mass transfer processes. Due to their complexity compared to single or binary star systems\, triple systems facilitate a more comprehensive understanding of stellar processes from formation to final stages. Thanks to large photometric surveys\, such as Kepler\, researchers were able to detect triple systems with long periods. Also\, the latest studies show that 15% of binaries have a tertiary component. Therefore\, studying such objects will lead to results that benefit every aspect of stellar astrophysics. In this talk\, I will present our latest study of known but not studied in detail triple star system\, CN Lyn\, and our findings by combining spectroscopy\, photometry\, and galactic dynamic techniques. \nFecha: 21/01/2025 – 12:30Conferenciante: Dr. Gökhan YücelFiliación: Department of Astronomy and Space Sciences\, Istanbul University\, Turkey
URL:https://www.iaa.csic.es/evento/an-unusual-triple-system-cn-lyn/
LOCATION:IAA – CSIC\, Glorieta de la Astronomía\, Granada\, España
CATEGORIES:Seminarios
ATTACH;FMTTYPE=image/png:https://www.iaa.csic.es/wp-content/uploads/2023/11/seminarscover-e1752660087307.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20250123T123000
DTEND;TZID=Europe/Paris:20250123T133000
DTSTAMP:20260422T092008
CREATED:20241219T105941Z
LAST-MODIFIED:20250125T200413Z
UID:22515-1737635400-1737639000@www.iaa.csic.es
SUMMARY:Study of the very high energy emission from star-forming regions and young massive star clusters
DESCRIPTION:Cosmic rays (CRs) are a fundamental component of the Cosmos. They can penetrate and ionise the dense gas core of molecular clouds\, affecting the dynamics of the cloud itself and triggering chemical reactions that lead to the creation of complex molecular compounds. In star-forming complexes\, CRs can be accelerated by the wind of newly born massive stars\, often found in young massive stellar clusters (YMSC). The amount of freshly injected CRs can be probed by the observations of high-energy and very-high-energy gamma-rays. In this regard\, the future Cherenkov Telescope Array Observatory (CTAO) will play a crucial role. CTAO will be composed of around 100 telescopes deployed on two sites\, one in Northern and one in the Southern Hemisphere. The arrays will cover a wide energy range from tens of GeV to hundreds of TeV employing telescopes of three sizes: the Large\, Medium and Small Sized Telescopes with 23 m\, 14 m and 4.5 m mirror diameters\, respectively. Each telescope is optimized for the detection of photons below 1 TeV (LST)\, between 1-10 TeV (MST) and above 10 TeV (SST). The first LST prototype\, LST-1\, is currently ending its commissioning phase and is starting to collect scientific data. During the present observational cycle\, two observational proposals on YMSC were submitted for the very first time. These observations are challenging due to the extension of the expected gamma-ray emission from YMSC and to the limited Field of View (FoV) of the Cherenkov telescopes (around 2.3° radius for LST-1). In this context is of paramount importance to optimise the reconstruction analysis chain (currently under development) for extended sources and to rank the best targets for the next observational campaigns both of LST-1 and of the upcoming 3 LSTs currently under construction at the CTAO-Northern site. \n​ \nFecha: 23/01/2025 – 12:30Conferenciante: Dr. Gaia VernaFiliación: Università degli Studi di Siena\, Italy
URL:https://www.iaa.csic.es/evento/study-of-the-very-high-energy-emission-from-star-forming-regions-and-young-massive-star-clusters/
LOCATION:IAA – CSIC\, Glorieta de la Astronomía\, Granada\, España
CATEGORIES:Seminarios
ATTACH;FMTTYPE=image/png:https://www.iaa.csic.es/wp-content/uploads/2023/11/seminarscover-e1752660087307.png
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BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20250128T123000
DTEND;TZID=Europe/Paris:20250128T133000
DTSTAMP:20260422T092008
CREATED:20241219T110050Z
LAST-MODIFIED:20250125T012544Z
UID:22519-1738067400-1738071000@www.iaa.csic.es
SUMMARY:El crecimiento de la complejidad en el Universo
DESCRIPTION:La existencia de vida es uno de los grandes problemas cosmológicos. Aunque la vida sea un hecho observado en un único planeta\, el proceso de complejización que supone\, debe obedecer a leyes generales universales. Varios autores claman por una “missing law” termodinámica\, a la búsqueda de la cual se incorpora la hipótesis que presentamos aquí. El surgimiento y la evolución de la vida son resultado del mismo principio. Se deduce que la complejidad crea complejidad\, lo que potencia los mecanismos evolutivos. Esta teoría no se presenta como alternativa a la teoría darwiniana\, sino como un necesario complemento.​ \nFecha: 28/01/2025 – 12:30Conferenciante: Dr. Eduardo BattanerFiliación: Universidad de Granada\, Spain
URL:https://www.iaa.csic.es/evento/el-crecimiento-de-la-complejidad-en-el-universo/
LOCATION:IAA – CSIC\, Glorieta de la Astronomía\, Granada\, España
CATEGORIES:Seminarios
ATTACH;FMTTYPE=image/png:https://www.iaa.csic.es/wp-content/uploads/2023/11/seminarscover-e1752660087307.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20250130T120000
DTEND;TZID=Europe/Paris:20250130T130000
DTSTAMP:20260422T092008
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
ATTACH;FMTTYPE=image/png:https://www.iaa.csic.es/wp-content/uploads/2025/07/SO-COLLOQUIUM.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20250130T190000
DTEND;TZID=Europe/Paris:20250130T200000
DTSTAMP:20260422T092008
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
ATTACH;FMTTYPE=image/jpeg:https://www.iaa.csic.es/wp-content/uploads/2025/01/lucas_lara.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20250131T123000
DTEND;TZID=Europe/Paris:20250131T130000
DTSTAMP:20260422T092009
CREATED:20250127T084840Z
LAST-MODIFIED:20250127T084945Z
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
ATTACH;FMTTYPE=image/png:https://www.iaa.csic.es/wp-content/uploads/2023/11/seminarscover-e1752660087307.png
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