{"id":135375,"date":"1997-01-01T00:00:00","date_gmt":"1997-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/dinamica-de-regiones-h-ii-gigantes-el-caso-de-la-galaxia-irregular-ngc-4449\/"},"modified":"1997-01-01T00:00:00","modified_gmt":"1997-01-01T00:00:00","slug":"dinamica-de-regiones-h-ii-gigantes-el-caso-de-la-galaxia-irregular-ngc-4449","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/astronomia-y-astrofisica\/dinamica-de-regiones-h-ii-gigantes-el-caso-de-la-galaxia-irregular-ngc-4449\/","title":{"rendered":"Dinamica de regiones h ii gigantes: el caso de la galaxia irregular ngc 4449."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Oriol Fuentes Masip <\/strong><\/h2>\n<p>En esta tesis se ha analizado la cinematica de las regiones hii pertenecientes al area central de la galaxia irregular gigante ngc4449, mediante observaciones realizadas en el telescopio william herschel del observatorio del roque de los muchachos con el interferometro fabry-perot taurus-ii en las lineas de halfa y (oiii) landa5006.8 .El objetivo ha sido estudiar las caracteristicas y parametros de las correlaciones entre el radio o la luminosidad y la dispersion de velocidades turbulentas para las regiones hii gigantes, asi como el mecanismo fisico responsable tanto de estas correlaciones como de las dispersiones de velocidades supersonicas medidas en estos objetos.Se ha demostrado que los metodos habituales para la determinacion de tama\u00f1os de las regiones hii no son validos para esta galaxia, debido a sus caracteristicas (gran densidad superficial de nebulosas y presencia de una intensa luminosidad difusa), por lo que ha sido necesario definir un nuevo metodo. El procedimiento utilizado ha permitido obtener los parametros integrados de las regiones hii (radio, luminosidad, velocidad radial y dispersion de velocidades) con una objetividad y precision mayores que las alcanzadas con otro metodos.  mediante el analisis de los resultados se ha determinado que solo las regiones hii gigantes de alto brillo superficial, con una luminosidad por encima de un cierto limite y perfiles espectrales de una sola componente gaussiana presentan correlacion entre sus parametros integrados. Estas restricciones observacionales han permitido decidir cual es el proceso fisico mas probable para explicar estas correlaciones y las dispersiones de velocidades supersonicas observadas en estos objetos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Dinamica de regiones h ii gigantes: el caso de la galaxia irregular ngc 4449.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Dinamica de regiones h ii gigantes: el caso de la galaxia irregular ngc 4449. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Oriol Fuentes Masip <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 La laguna<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1997<\/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>Casiana Mu\u00f1oz Tu\u00f1\u00f3n<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Francisco Sanchez Martinez <\/li>\n<li>Jos\u00e9 Manuel V\u00edlchez Medina (vocal)<\/li>\n<li>Mercedes Prieto Mu\u00f1oz (vocal)<\/li>\n<li>Guillermo Tenorio Tagle (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Oriol Fuentes Masip En esta tesis se ha analizado la cinematica de las regiones hii pertenecientes al [&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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