{"id":19683,"date":"2026-08-20T13:31:16","date_gmt":"2026-08-20T16:31:16","guid":{"rendered":"https:\/\/www.fcaglp.unlp.edu.ar\/?p=19683"},"modified":"2026-08-20T13:31:20","modified_gmt":"2026-08-20T16:31:20","slug":"seminarios-secyt-castro-martinez","status":"publish","type":"post","link":"https:\/\/www.fcaglp.unlp.edu.ar\/index.php\/seminarios-secyt-castro-martinez\/","title":{"rendered":"SEMINARIOS SECyT &#8211; CASTRO MARTINEZ"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u2728&#8221;Reconstruyendo la interacci\u00f3n estelar y su impacto sobre los vientos de disco en el sistema AS 205&#8243;<br>A cargo de M. Sc. Elisa Castro Mart\u00ednez (IAPG, Francia)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\uddd3 Viernes 21 de Agosto<br>\u23f0 12:30 h<br>\ud83d\udccd Sal\u00f3n Meridiano &#8211; FCAG<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a1Te esperamos!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>RESUMEN<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Observaciones recientes de estrellas j\u00f3venes sugieren que muchos discos protoplanetarios expulsan parte de su material mediante vientos impulsados magn\u00e9ticamente, que est\u00e1n estrechamente relacionados con el proceso de acreci\u00f3n. Sin embargo, los discos protoplanetarios no siempre evolucionan de forma aislada. La presencia de planetas, estrellas compa\u00f1eras o encuentros cercanos con otras estrellas (flybys) puede modificar su estructura y afectar los procesos de acreci\u00f3n-eyecci\u00f3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un ejemplo de esto es el sistema estelar m\u00faltiple AS 205. El disco que rodea AS 205 N presenta claras se\u00f1ales de interacci\u00f3n con AS 205 S, una binaria espectrosc\u00f3pica, pero grandes incertidumbres en las propiedades del sistema impiden determinar con seguridad si forman un sistema gravitacionalmente ligado o si se trata de un flyby. Adem\u00e1s, se han observado indicios de vientos y un jet procedentes de AS 205 N. Sin embargo, no est\u00e1 claro si la perturbaci\u00f3n de AS 205 S podr\u00eda contaminar las se\u00f1ales y sesgar su interpretaci\u00f3n, o f\u00edsicamente alterar los procesos de acreci\u00f3n-eyecci\u00f3n, potencialmente haciendo el sistema no representativo desde un punto de vista poblacional.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En esta charla presentar\u00e9 resultados num\u00e9ricos sobre el sistema AS 205. Primero mostrar\u00e9 c\u00f3mo simulaciones hidrodin\u00e1micas realizadas con el c\u00f3digo Phantom permiten utilizar la estructura del disco para restringir las masas de las estrellas y su \u00f3rbita. Despu\u00e9s presentar\u00e9 resultados preliminares de simulaciones magnetohidrodin\u00e1micas, realizadas con el c\u00f3digo Idefix, para estudiar c\u00f3mo la interacci\u00f3n con AS 205 S modifica la estructura y los vientos del disco provenientes de AS 205 N.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u2728&#8221;Reconstruyendo la interacci\u00f3n estelar y su impacto sobre los vientos de disco en el sistema AS 205&#8243;A cargo de M. Sc. Elisa Castro Mart\u00ednez (IAPG, Francia) \ud83d\uddd3 Viernes 21 de Agosto\u23f0 12:30 h\ud83d\udccd Sal\u00f3n Meridiano &#8211; FCAG \u00a1Te esperamos! RESUMEN Observaciones recientes de estrellas j\u00f3venes sugieren que muchos discos protoplanetarios expulsan parte de su material&hellip;&nbsp;<a href=\"https:\/\/www.fcaglp.unlp.edu.ar\/index.php\/seminarios-secyt-castro-martinez\/\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">SEMINARIOS SECyT &#8211; CASTRO MARTINEZ<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":19684,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":"","_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[5005],"tags":[],"ubicacionentradas":[20],"class_list":["post-19683","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciencia_y_tecnica","ubicacionentradas-eventos"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u2728&quot;Reconstruyendo la interacci\u00f3n estelar y su impacto sobre los vientos de disco en el sistema AS 205&quot;A cargo de M. 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