{"id":21777,"date":"2018-03-09T09:11:41","date_gmt":"2018-03-09T09:11:41","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/naturaleza-de-estrellas-calientes-de-rama-horizontal-en-cumulos-globales-galacticos\/"},"modified":"2018-03-09T09:11:41","modified_gmt":"2018-03-09T09:11:41","slug":"naturaleza-de-estrellas-calientes-de-rama-horizontal-en-cumulos-globales-galacticos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/la-laguna\/naturaleza-de-estrellas-calientes-de-rama-horizontal-en-cumulos-globales-galacticos\/","title":{"rendered":"Naturaleza de estrellas calientes de rama horizontal en cumulos globales gal\u00e1cticos"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Alejandra Recio  Blanco <\/strong><\/h2>\n<p>El objetivo de la tesis es el estudio de las estrellas calientes de rama horizontal en c\u00famulos globulares. Estas estrellas aclanzan hasta 35000 k de temperatura y puede ser las responsables del escexo uv en galaxias el\u00edpticas.  se ha utilizado uves+vlt para estudiar la velocidad de rotaci\u00f3n de 61 estrellas en diferentes c\u00famulos utilizando espectroscop\u00eda de alta resoluci\u00f3n. Seg\u00fan este estudio, las estrellas con teff&gt;11000 k presenta s\u00f3lo velocidades de rotaci\u00f3n lenta, mientras que las estrellas con teff&gt;11000 k pueden tener velocidades de rotaci\u00f3n r\u00e1pidas y lentas.  esta discontinuidad parece coincidir con el conocimiento de procesos difusivos en las estrellas que dan lugar a anomal\u00edas de abundancias en las estrellas m\u00e1s calientes.  se ha estudiado tambi\u00e9n la dependencia de la extensi\u00f3n en temperaturas de la rama horizontal con los distintos par\u00e1metros del c\u00famulo. Mediante un an\u00e1lisis estad\u00edstico multivariable se ha encontrado que dicha extensi\u00f3n viene determinada no s\u00f3lo por la velocidad del c\u00famulo (lo que ya era conocido) sino tambi\u00e9n por la luminosidad total del mismo, pudiendo haber otras dependencias de menor grado.  como caracter\u00edstica nueva, se ha encontrado un saldo de luminosidad en las estrellas del c\u00famulo mgc6752 m\u00e1s calientes que 23000 k.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Naturaleza de estrellas calientes de rama horizontal en cumulos globales gal\u00e1cticos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Naturaleza de estrellas calientes de rama horizontal en cumulos globales gal\u00e1cticos <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Alejandra Recio  Blanco <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 La laguna<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 24\/02\/2003<\/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>Antonio Aparicio Juan<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:   <\/li>\n<li>  (vocal)<\/li>\n<li>  (vocal)<\/li>\n<li>  (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Alejandra Recio Blanco El objetivo de la tesis es el estudio de las estrellas calientes de rama [&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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