{"id":19502,"date":"2018-03-09T09:08:30","date_gmt":"2018-03-09T09:08:30","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/propiedades-fa%c2%adsicas-de-los-nucleos-cometarios-tamanos-y-rotacion\/"},"modified":"2018-03-09T09:08:30","modified_gmt":"2018-03-09T09:08:30","slug":"propiedades-fa%c2%adsicas-de-los-nucleos-cometarios-tamanos-y-rotacion","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/la-laguna\/propiedades-fa%c2%adsicas-de-los-nucleos-cometarios-tamanos-y-rotacion\/","title":{"rendered":"Propiedades f\u00edsicas de los n\u00facleos cometarios: tama\u00f1os y rotaci\u00f3n"},"content":{"rendered":"<h2>Tesis doctoral de <strong> JavierAndr\u00e9s Licandro Goldaracena <\/strong><\/h2>\n<p>El problema del tama\u00f1o y distribuci\u00f3n de tama\u00f1os de los n\u00facleos se ha estudiado en los cometas de la familia de j\u00fapiter (fj). Se han compilado las magnitudes nucleares publicadas de los fj en un cat\u00e1logo, que incluye observaciones entre 1990 y 1995. Este cat\u00e1logo es la primera compilaci\u00f3n global y detallada de magnitudes nucleares de diferentes fuentes, e incluye datos de 133 cometas. con estos datos, se han estimado la magnitud nuclear absoluta (hv) y el tama\u00f1os de 105 objetos, y se derivan las distribuciones de luminosidad y tama\u00f1o  de la fj.  se ha encontrado tambi\u00e9n un l\u00edmite superior para hv. Esto sugiere que sus tiempos de vida f\u00edsicos son muy cortos. Se ha estimado, utilizando la funci\u00f3n de luminosidad presentada en esta tesis y la estad\u00edstica de descubrimientos, que el n\u00famero total de cometas fj con hv &#8211; 18.5 y distancia perih\u00e9lica q&lt;5.2 ua oscila entre unos miles y diez mil objetos, muchos menos que ell\u00edmite superior ofrecido previamente. Se ha confirmado un pronunciado incrementoen el n\u00famero de cometas fj a mayores q, que favorece la existencia de unafuente de cometas en la regi\u00f3n de j\u00fapiter y saturno. La mayor\u00eda de loscometas tienen f&gt;20%, lo que sugiere que pasa por etapas de muy baja actividad<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Propiedades f\u00edsicas de los n\u00facleos cometarios: tama\u00f1os y rotaci\u00f3n<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Propiedades f\u00edsicas de los n\u00facleos cometarios: tama\u00f1os y rotaci\u00f3n <\/li>\n<li><strong>Autor:<\/strong>\u00a0 JavierAndr\u00e9s Licandro Goldaracena <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 La laguna<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 17\/10\/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>Mark Kidger<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Francisco S\u00e1nchez <\/li>\n<li>Luis Ortiz jos\u00e9 (vocal)<\/li>\n<li>humberto Campins (vocal)<\/li>\n<li>Luisa Lara Mar\u00eda (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de JavierAndr\u00e9s Licandro Goldaracena El problema del tama\u00f1o y distribuci\u00f3n de tama\u00f1os de los n\u00facleos se ha estudiado [&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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