{"id":18464,"date":"2018-03-09T09:07:00","date_gmt":"2018-03-09T09:07:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/la-poblacion-estelar-de-cumulos-abiertos-jovenes-un-estudio-fotometrico-y-espectroscopico\/"},"modified":"2018-03-09T09:07:00","modified_gmt":"2018-03-09T09:07:00","slug":"la-poblacion-estelar-de-cumulos-abiertos-jovenes-un-estudio-fotometrico-y-espectroscopico","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/astronomia-y-astrofisica\/la-poblacion-estelar-de-cumulos-abiertos-jovenes-un-estudio-fotometrico-y-espectroscopico\/","title":{"rendered":"La poblaci\u00f3n estelar de cumulos abiertos jovenes. un estudio fotometrico y espectroscopico"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Amparo Marco Tobarra <\/strong><\/h2>\n<p>El objetivo de la tesis es caracterizar la poblaci\u00f3n estelar de cumulos abiertos jovenes para contrastar las teorias de formaci\u00f3n estelar con hechos observacionales.  se ha obtenido fotometria uuhg-hp de 350 estrellas del cumulo hyx persei y 114 del ngc 1893. Se estudian las pertenecientes usando los diagramas fotometicos y de ellos se derivan los par\u00e1metros astrof\u00edsicos fundamentales: enrojecimiento y distancia. Con las isocronas se calculan las edades.  para hyx pensei tanto el enrrojecimiento como las distancias calculadas sugieren que ambut provienen de una misma regi\u00f3n de formaci\u00f3n estelar. se detecta una peque\u00f1a discrepancia en el c\u00e1lculo de edades del h persei entre las estrellas mas masivas y el resto sugiriendose la presencia de dos epocas de formaci\u00f3n.  en el ngc 1893 se calculan los mismos par\u00e1metros b\u00e1sicos con una distancia 6.010 hpc lo que indica como poco probable su pertenencia a la asociaci\u00f3n hur ob2. Se identifican 6 estrellas con lineas de emisi\u00f3n bo-f clasificandolas como objetos de pre-secuencia principal. Aparecen un n\u00famero considerable de estrellas que se desvian en los diagramas fotometricos que podr\u00edan ser t-tau- un estudio adicional incluyendo espectroscopia, esta en curso para confirmar la naturaleza de los objetos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>La poblaci\u00f3n estelar de cumulos abiertos jovenes. un estudio fotometrico y espectroscopico<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 La poblaci\u00f3n estelar de cumulos abiertos jovenes. un estudio fotometrico y espectroscopico <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Amparo Marco Tobarra <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Universitat de val\u00e9ncia (estudi general)<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 15\/07\/2002<\/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>Guillermo Bernabeu Pastor<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Iba\u00f1ez cabanell Jos\u00e9 Mar\u00eda <\/li>\n<li>ram\u00f3n Garc\u00eda l\u00f3pez (vocal)<\/li>\n<li>Emilio Alfaro navarro (vocal)<\/li>\n<li> Miralles torres Juan  Antonio (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Amparo Marco Tobarra El objetivo de la tesis es caracterizar la poblaci\u00f3n estelar de cumulos abiertos jovenes [&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 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