{"id":1821,"date":"2025-02-03T00:19:13","date_gmt":"2025-02-03T00:19:13","guid":{"rendered":"https:\/\/nucleomilenioeris.cl\/?p=1821"},"modified":"2025-02-03T00:19:14","modified_gmt":"2025-02-03T00:19:14","slug":"un-nuevo-estudio-revela-los-secretos-detras-de-la-formacion-de-los-halos-estelares-a-traves-de-sus-huellas-quimicas","status":"publish","type":"post","link":"https:\/\/nucleomilenioeris.cl\/es\/post\/un-nuevo-estudio-revela-los-secretos-detras-de-la-formacion-de-los-halos-estelares-a-traves-de-sus-huellas-quimicas\/","title":{"rendered":"Un nuevo estudio revela los secretos detr\u00e1s de la formaci\u00f3n de los halos estelares a trav\u00e9s de sus huellas qu\u00edmicas"},"content":{"rendered":"<ul class=\"wp-block-list\">\n<li>Jenny Gonz\u00e1lez, estudiante de doctorado y astr\u00f3noma chilena, lidera una investigaci\u00f3n innovadora que desentra\u00f1a c\u00f3mo los halos estelares, formaciones gal\u00e1cticas rodeadas de estrellas antiguas, guardan informaci\u00f3n crucial sobre la historia de formaci\u00f3n de las galaxias.<\/li>\n<\/ul>\n\n\n\n<p>Los halos estelares son componentes gal\u00e1cticos clave, aunque poco comprendidos, que rodean a las galaxias. Aunque representan una parte menos masiva de las galaxias que el disco o el bulbo, su importancia es inmensa. Estas estructuras est\u00e1n compuestas mayormente por estrellas viejas, que funcionan como c\u00e1psulas del tiempo, conservando rastros de su formaci\u00f3n qu\u00edmica y din\u00e1mica que permiten a los astr\u00f3nomos reconstruir la historia evolutiva de las galaxias anfitrionas.<\/p>\n\n\n\n<p>En el estudio <a href=\"https:\/\/www.aanda.org\/articles\/aa\/full_html\/2025\/01\/aa52639-24\/aa52639-24.html\"><em>&#8220;Unveiling the formation channels of stellar halos through their chemical fingerprints&#8221;<\/em>,<\/a> recientemente publicado en <em>Astronomy &amp; Astrophysics<\/em> (A&amp;A), Gonz\u00e1lez y un equipo internacional de astr\u00f3nomos analizaron 28 galaxias simuladas del proyecto CIELO. Los resultados muestran que \u201clos halos estelares de CIELO est\u00e1n principalmente formados por material acretado\u201d, confirmando hallazgos previos, pero tambi\u00e9n aportando nuevos conocimientos sobre las diferencias en la formaci\u00f3n de halos m\u00e1s y menos masivos.<\/p>\n\n\n\n<p>\u201cNuestro estudio detallado mostr\u00f3 que los halos estelares m\u00e1s masivos se formaron de las contribuciones de m\u00faltiples sat\u00e9lites tambi\u00e9n masivos, mientras que los halos menos masivos se formaron a partir de un menor n\u00famero de sat\u00e9lites, los cuales eran m\u00e1s peque\u00f1os en masa y en etapas m\u00e1s tempranas del universo\u201d, agrega la investigadora.<\/p>\n\n\n\n<p>El trabajo tambi\u00e9n identifica por primera vez una correlaci\u00f3n entre las abundancias qu\u00edmicas [O\/Fe] y [Fe\/H] en los halos estelares, lo que ofrece una \u201cperspectiva m\u00e1s detallada sobre las caracter\u00edsticas y la historia de formaci\u00f3n de los sat\u00e9lites\u201d que contribuyen a su composici\u00f3n final. Este hallazgo complementa una correlaci\u00f3n ya observada entre la masa y el enriquecimiento qu\u00edmico de los halos (MZhR), pero revela que el comportamiento del [O\/Fe] es \u201cm\u00e1s sensible a las caracter\u00edsticas e historia de formaci\u00f3n de los sat\u00e9lites\u201d, lo que lo hace m\u00e1s complejo de analizar.<\/p>\n\n\n\n<p>El art\u00edculo destaca tambi\u00e9n el valor de las simulaciones CIELO, al mostrar que sus galaxias reproducen tendencias observadas en datos del telescopio Hubble. \u201cMostramos que las galaxias de CIELO son ideales para comprender e interpretar la diversidad de propiedades de los halos estelares en el Universo cercano y en otros entornos\u201d, concluye Gonz\u00e1lez.<\/p>","protected":false},"excerpt":{"rendered":"<p>Los halos estelares son componentes gal\u00e1cticos clave, aunque poco comprendidos, que rodean a las galaxias. Aunque representan una parte menos masiva de las galaxias que el disco o el bulbo, su importancia es inmensa. Estas estructuras est\u00e1n compuestas mayormente por estrellas viejas, que funcionan como c\u00e1psulas del tiempo, conservando rastros de su formaci\u00f3n qu\u00edmica y [&hellip;]<\/p>","protected":false},"author":4,"featured_media":1822,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1821","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-post"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Un nuevo estudio revela los secretos detr\u00e1s de la formaci\u00f3n de los halos estelares a trav\u00e9s de sus huellas qu\u00edmicas | ERIS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nucleomilenioeris.cl\/es\/post\/un-nuevo-estudio-revela-los-secretos-detras-de-la-formacion-de-los-halos-estelares-a-traves-de-sus-huellas-quimicas\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un nuevo estudio revela los secretos detr\u00e1s de la formaci\u00f3n de los halos estelares a trav\u00e9s de sus huellas qu\u00edmicas | ERIS\" \/>\n<meta property=\"og:description\" content=\"Los halos estelares son componentes gal\u00e1cticos clave, aunque poco comprendidos, que rodean a las galaxias. Aunque representan una parte menos masiva de las galaxias que el disco o el bulbo, su importancia es inmensa. Estas estructuras est\u00e1n compuestas mayormente por estrellas viejas, que funcionan como c\u00e1psulas del tiempo, conservando rastros de su formaci\u00f3n qu\u00edmica y [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/nucleomilenioeris.cl\/es\/post\/un-nuevo-estudio-revela-los-secretos-detras-de-la-formacion-de-los-halos-estelares-a-traves-de-sus-huellas-quimicas\/\" \/>\n<meta property=\"og:site_name\" content=\"ERIS\" \/>\n<meta property=\"article:published_time\" content=\"2025-02-03T00:19:13+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-02-03T00:19:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/nucleomilenioeris.cl\/wp-content\/uploads\/2025\/02\/Captura-de-pantalla-2025-02-02-a-las-21.16.59.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1240\" \/>\n\t<meta property=\"og:image:height\" content=\"616\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"mauricio\" 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