{"id":35779,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/astrometria-diferencial-de-precision-con-vlbi-en-el-triangulo-de-draco-y-estudios-de-sn1993j\/"},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"astrometria-diferencial-de-precision-con-vlbi-en-el-triangulo-de-draco-y-estudios-de-sn1993j","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/astronomia-y-astrofisica\/astrometria-diferencial-de-precision-con-vlbi-en-el-triangulo-de-draco-y-estudios-de-sn1993j\/","title":{"rendered":"Astrometria diferencial de precision con vlbi en el triangulo de draco (y estudios de sn1993j)."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Eduardo Ros Ibarra <\/strong><\/h2>\n<p>Se ha utilizado la t\u00e9cnica de astrometr\u00eda diferencial de precisi\u00f3n con vlbi para determinar las separaciones angulares entre las radiofuentes en el tri\u00e1ngulo 1803+784\/1928+738\/2007+777, en la constelaci\u00f3n de draco, mediante un an\u00e1lisis de los retrasos de fase no diferenciales y diferenciales. Se ha conseguido extender la conexi\u00f3n de fase a separaciones angulares de 7 grados.  se ha eliminado la contribuci\u00f3n de la estructura en los datos a partir del cartografiado h\u00edbrido, y de la ionosfera mediante medidas independientes con el sistema gps. Se ha introducido la clausura celeste como comprobaci\u00f3n de los resultados astrom\u00e9tricos. La comparaci\u00f3n de la separaci\u00f3n en el par 1928+738\/2007+777 con trabajos anteriores ha permitido identificar movimientos propios hacia el sur en las componentes de 1928+738. No se han detectado movimientos globales para 1928+738 y 2007+777.  adem\u00e1s, se presentan sucintamente resultados del estudio de la radiosupernova sn1993j en m81: descubrimiento de la forma de corteza esf\u00e9rica en la radioemisi\u00f3n, su expansi\u00f3n, y determinaci\u00f3n de la desaceleraci\u00f3n en esta expansi\u00f3n.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Astrometria diferencial de precision con vlbi en el triangulo de draco (y estudios de sn1993j).<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Astrometria diferencial de precision con vlbi en el triangulo de draco (y estudios de sn1993j). <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Eduardo Ros Ibarra <\/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 01\/01\/1998<\/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> Marcaide Osoro Juan  M.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Ferrer Soria <\/li>\n<li>Josep Mar\u00eda Paredes Poy (vocal)<\/li>\n<li>Theodore Schilizzi Richard (vocal)<\/li>\n<li>\u00c1lvaro Lopez Garcia (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Eduardo Ros Ibarra Se ha utilizado la t\u00e9cnica de astrometr\u00eda diferencial de precisi\u00f3n con vlbi para determinar [&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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