{"id":56903,"date":"2007-05-02T00:00:00","date_gmt":"2007-05-02T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/fusion-galactica-conteo-de-fuentes-y-dinamica-de-acrecimientos-de-satelites\/"},"modified":"2007-05-02T00:00:00","modified_gmt":"2007-05-02T00:00:00","slug":"fusion-galactica-conteo-de-fuentes-y-dinamica-de-acrecimientos-de-satelites","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/galaxias\/fusion-galactica-conteo-de-fuentes-y-dinamica-de-acrecimientos-de-satelites\/","title":{"rendered":"Fusion galactica. conteo de fuentes y dinamica de acrecimientos de satelites"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Eliche Moral Mar\u00eda  Del Carmen <\/strong><\/h2>\n<p>Tanto las observaciones como las simulaciones cosmol\u00f3gicas indican que las fusiones de galaxias son procesos bastante frecuentes en el universo. Sin embargo, a\u00fan se desconoce la relevancia de las fusiones en la evoluci\u00f3n gal\u00e1ctica  y en la constituci\u00f3n de los bulbos actuales frente a otros posibles procesos de formaci\u00f3n. El objetivo b\u00e1sico de esta tesis consiste en estudiar el papel de las fusiones tanto en la aparici\u00f3n de la poblaci\u00f3n gal\u00e1ctica de tipo temprano, como en la evoluci\u00f3n de los bulbos gal\u00e1cticos, a nivel observacional y computacional.  hemos analizado la relevancia de los ritmos de fusi\u00f3n mediante el estudio de las cuentas diferenciales de galaxias en u y b, obtenidas sobre un campo de ~900 arcmin^2 del muestreo goya que abarca la tira de groth-westphal. Las magnitudes l\u00edmites alcanzadas han correspondido a u = 24.8 mag y b = 25.5 mag en el sistema de vega (al 50% de eficiencia de detecci\u00f3n para las fuentes puntuales). Las pendientes de las cuentas obtenidas han sido dlog (n)\/dm =  0.50 +\/- 0.02 para b=21.0-24.5, y dlog (n)\/dm =  0.48 +\/- 0.03 para u=21.0-24.0. Presentamos modelos de cuentas que, por primera vez, reproducen simult\u00e1neamente las cuentas observacionales en u y b en un rango de 15 magnitudes y las de ks en un rango de 10 magnitudes, empleando s\u00f3lo  par\u00e1metros medidos observacionalmente y sin necesidad de introducir poblaciones ex\u00f3ticas de origen desconocido, ni diferentes ritmos de fusi\u00f3n para cada banda. Solamente imponiendo un desplazamiento al rojo de formaci\u00f3n relativamente reciente para las galaxias el\u00edpticas (zf~1.5), se puede reproducir el cambio de la pendiente que se observa en las cuentas infrarrojas en  ks = 17.5 mag. Una profundidad \u00f3ptica moderada para todos los tipos gal\u00e1cticos (galaxias tempranas inclusive) nos asegura que las cuentas en u y b no presenten ning\u00fan incremento repentino asociado a la formaci\u00f3n reciente que se ha impuesto en las el\u00edpticas. Nuestros modelos explican el origen y la evolu<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Fusion galactica. conteo de fuentes y dinamica de acrecimientos de satelites<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Fusion galactica. conteo de fuentes y dinamica de acrecimientos de satelites <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Eliche Moral Mar\u00eda  Del Carmen <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 La laguna<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 05\/02\/2007<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Marc Balcells Com\u00e1s<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: eduardo Battaner l\u00f3pez <\/li>\n<li>rosa Dom\u00ednguez tenreiro (vocal)<\/li>\n<li>eduard Salvador sol\u00e9 (vocal)<\/li>\n<li> Rodriguez espinosa Jos\u00e9 Miguel (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Eliche Moral Mar\u00eda Del Carmen Tanto las observaciones como las simulaciones cosmol\u00f3gicas indican que las fusiones de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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":"default","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-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-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-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-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-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-gradient":""}},"footnotes":""},"categories":[7767,34004,9915],"tags":[10494,3799,125740,103458,3885,15295],"class_list":["post-56903","post","type-post","status-publish","format-standard","hentry","category-galaxias","category-gravitacion","category-la-laguna","tag-eduard-salvador-sole","tag-eduardo-battaner-lopez","tag-eliche-moral-maria-del-carmen","tag-marc-balcells-comas","tag-rodriguez-espinosa-jose-miguel","tag-rosa-dominguez-tenreiro"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/56903","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=56903"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/56903\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=56903"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=56903"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=56903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}