{"id":106761,"date":"2008-11-14T01:27:00","date_gmt":"2008-11-14T01:27:00","guid":{"rendered":"http:\/\/weblogs.madrimasd.org\/\/astrofisica\/archive\/2008\/11\/14\/106761.aspx"},"modified":"2020-03-30T15:12:48","modified_gmt":"2020-03-30T14:12:48","slug":"el-planeta-de-la-estrella-fomalhaut","status":"publish","type":"post","link":"https:\/\/www.madrimasd.org\/blogs\/astrofisica\/2008\/11\/14\/106761","title":{"rendered":"El planeta de la estrella Fomalhaut"},"content":{"rendered":"<div align=\"justify\">\n<p>David ByN<a href=\"%20http:\/\/hubblesite.org\/newscenter\/archive\/releases\/2008\/39\/\" target=\"blank\"> Otro planeta <\/a> \u2026 observable en luz visible, en el rango \u00f3ptico. En esta ocasi\u00f3n, con el Hubble Space Telescope. Alrededor de <a href=\"http:\/\/cdsads.u-strasbg.fr\/abs\/1998A%26A...339..831B\" target=\"blank\"> nuestro viejo conocido Fomalhaut <\/a>, uno de los \u201cBig Four\u201d, las cuatro estrellas protot\u00edpicas de ejemplo de disco debris.<\/p>\n<\/div>\n<p><!--more--><\/p>\n<div align=\"justify\"><img decoding=\"async\" src=\"http:\/\/www.cab.inta-csic.es\/users\/barrado\/weblog\/Planet_Fomalhaut_HST.notas.mr.jpg\" alt=\"\" width=\"450\" \/><br \/>\n<em>Cr\u00e9dito: NASA, ESA, P. Kalas, J. Graham, E. Chiang, E. Kite (University of California, Berkeley), M. Clampin (NASA Goddard Space Flight Center), M. Fitz<\/em>gerald (Lawrence Livermore National Laboratory), and K. Stapelfeldt and J. Krist (NASA Jet Propulsion Laboratory)<\/div>\n<p>La t\u00e9cnica usada en esta ocasi\u00f3n es imagen directa en el rango \u00f3ptico del espectro electromagn\u00e9tico (el que vemos los seres humanos). Sin embargo, debido a que la luz de la estrella es much\u00edsimo m\u00e1s intensa que la del disco o del planeta, se suprime parcialmente mediante el uso de una m\u00e1scara interpuesta en el camino \u00f3ptico dentro del telescopio, denominada coron\u00f3grafo. La naturaleza planetaria del objeto se confirma debido al <a href=\"http:\/\/hubblesite.org\/newscenter\/archive\/releases\/2008\/39\/video\/b\/\" target=\"blank\"> movimiento orbital<\/a> del mismo en torno a la estrella.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.cab.inta-csic.es\/users\/barrado\/weblog\/Planet_Fomalhaut_HST_movim.mr.jpg\" alt=\"\" width=\"450\" \/><br \/>\n<em>Un detalle con dos im\u00e1genes superpuestas, tomadas en diferentes \u00e9pocas, que muestran el movimiento orbital del planeta. Cr\u00e9dito HST\/NASA\/ESA\/P.Kalas <\/em><\/p>\n<p><a href=\"http:\/\/astro.berkeley.edu\/%7Ekalas\/disksite\/pages\/gallery.html\" target=\"blank\"> Paul Kalas<\/a>, un amigo y colega, lleva a\u00f1os estudiando los discos de debris, formados esencialmente por polvo. Se pensaba que Fomalhaut conten\u00eda, adem\u00e1s, un planeta, debido a la <a href=\"http:\/\/hubblesite.org\/newscenter\/archive\/releases\/2008\/39\/video\/c\/\" target=\"blank\"> falta de coincidencia <\/a> entre la posici\u00f3n de la estrella con el centro geom\u00e9trico del disco. Ahora su existencia se confirma. \u00a1Felicidades, Paul!<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.cab.inta-csic.es\/users\/barrado\/weblog\/Fomalhaut_SS_HST.mr.jpg\" alt=\"\" width=\"450\" \/><br \/>\n<em>Comparaci\u00f3n del Sistema Solar con el sistema planetario de la estrella Fomalhaut. Cr\u00e9dito HST\/NASA\/ESA. <\/em><\/p>\n<p><strong> VIDEOS:<\/strong><\/p>\n<p><a href=\"http:\/\/hubblesite.org\/newscenter\/archive\/releases\/2008\/39\/video\/\" target=\"blank\"> HST. Videos sobre el sistema planetario de Fomalhaut<\/a><\/p>\n<ul>\n<li><a href=\"http:\/\/hubblesite.org\/newscenter\/archive\/releases\/2008\/39\/video\/b\/\" target=\"blank\">HST. El movimiento orbital del planeta<\/a><\/li>\n<li><a href=\"http:\/\/hubblesite.org\/newscenter\/archive\/releases\/2008\/39\/video\/c\/\" target=\"blank\"> HST. La asimetr\u00eda del disco<\/a><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong> ENLACES:<\/strong><\/p>\n<ul>\n<li><a href=\"http:\/\/hubblesite.org\/newscenter\/archive\/releases\/2008\/39\/\" target=\"blank\"> HST\/NASA. Hubble Directly Observes Planet Orbiting Fomalhaut<\/a><\/li>\n<li><a href=\"http:\/\/sci.esa.int\/science-e\/www\/object\/index.cfm?fobjectid=43721\">ESA. Hubble directly observes planet orbiting Fomalhaut<\/a><\/li>\n<li><a href=\"http:\/\/cdsads.u-strasbg.fr\/abs\/1998A%26A...339..831B\" target=\"blank\"> ADS. The Castor moving group. The age of Fomalhaut and VEGA<\/a><\/li>\n<li><a href=\"http:\/\/astro.berkeley.edu\/%7Ekalas\/disksite\/pages\/gallery.html\" target=\"blank\"> Paul Kalas. Galeria de im\u00e1genes de discos de debris<\/a><\/li>\n<li><a href=\"http:\/\/www.gemini.edu\/node\/11156\" target=\"blank\">Observatorio Gemini (2008\/XI\/13). GEMINI INFORMA EL DESCUBRIMIENTO DE LA IMAGEN DE \u00abLA PRIMERA FAMILIA\u00bb PLANETARIA<\/a><\/li>\n<li><a href=\"http:\/\/weblogs.madrimasd.org\/astrofisica\/archive\/2008\/11\/13\/106713.aspx\" target=\"blank\"> CBE. Primera imagen directa de un sistema planetario orbitando una estrella<\/a><\/li>\n<li><a href=\"http:\/\/weblogs.madrimasd.org\/astrofisica\/archive\/2008\/09\/15\/100911.aspx\" target=\"blank\"> CBE. El pasado del Sol: los an\u00e1logos solares (discos de debris) <\/a><\/li>\n<li><a href=\"http:\/\/weblogs.madrimasd.org\/astrofisica\/archive\/2006\/06\/09\/29013.aspx\" target=\"blank\"> CBE. El \u00abnaciente\u00bb sistema planetario de Beta Pictoris (otro de los \u201cBig Tour\u201d) <\/a><\/li>\n<li><a href=\"http:\/\/weblogs.madrimasd.org\/astrofisica\/archive\/2007\/11\/11\/78546.aspx\" target=\"blank\">CBE. Estrellas y planetas: una breve introducci\u00f3n<\/a><\/li>\n<li><a href=\"http:\/\/weblogs.madrimasd.org\/astrofisica\/archive\/2007\/11\/07\/78225.aspx\" target=\"blank\">CBE. Un verdadero Sistema Planetario a 40 a\u00f1os luz<\/a><\/li>\n<li><a href=\"http:\/\/weblogs.madrimasd.org\/astrofisica\/archive\/2007\/06\/29\/68948.aspx\" target=\"blank\">CBE. \u00bfSe puede detectar agua en los exoplanetas? <\/a><\/li>\n<li><a href=\"http:\/\/weblogs.madrimasd.org\/astrofisica\/archive\/2007\/06\/28\/68845.aspx\" target=\"blank\">CBE. Exoplanetas por doquier<\/a><\/li>\n<li><a href=\"http:\/\/weblogs.madrimasd.org\/astrofisica\/archive\/2007\/05\/23\/66191.aspx\" target=\"blank\">CBE. ExoPlanetas: La zona de habitabilidad y la b\u00fasqueda de vida m\u00e1s all\u00e1 del Sistema Solar<\/a><\/li>\n<li><a href=\"http:\/\/weblogs.madrimasd.org\/astrofisica\/archive\/2007\/05\/15\/65600.aspx\" target=\"blank\">CBE. Exoplanetas: extra\u00f1os mundos en entornos extremos<\/a><\/li>\n<li><a href=\"http:\/\/weblogs.madrimasd.org\/astrofisica\/archive\/2007\/04\/25\/64331.aspx\" target=\"blank\">CBE. Otros griales: los planetas habitables fuera del Sistema Solar<\/a><\/li>\n<li><a href=\"http:\/\/weblogs.madrimasd.org\/astrofisica\/archive\/2006\/10\/13\/46076.aspx\" target=\"blank\">CBE. Plus ultra: los ex\u00f3ticos mundos allende los mares estelares<\/a><\/li>\n<li><a href=\"http:\/\/weblogs.madrimasd.org\/astrofisica\/archive\/2006\/08\/25\/38381.aspx\" target=\"blank\">CBE. Exoplanetas: definiendo el t\u00e9rmino planeta fuera del Sistema Solar<\/a><\/li>\n<li><a href=\"http:\/\/weblogs.madrimasd.org\/astrofisica\/archive\/2006\/06\/26\/32954.aspx\" target=\"blank\">CBE. La paciencia de los astr\u00f3nomos: la confirmaci\u00f3n del planeta de la estrella Pollux<\/a><\/li>\n<li><a href=\"http:\/\/weblogs.madrimasd.org\/astrofisica\/archive\/2006\/06\/08\/28791.aspx\" target=\"blank\">CBE. Sobre la diversidad de los Sistema Planetarios<\/a><\/li>\n<li><a href=\"http:\/\/weblogs.madrimasd.org\/astrofisica\/archive\/2006\/05\/19\/23723.aspx\" target=\"blank\">CBE. Un sistema planetario complejo: tres planetas y un cintur\u00f3n de asteroides<\/a><\/li>\n<li><a href=\"http:\/\/weblogs.madrimasd.org\/astrofisica\/archive\/2006\/02\/06\/12930.aspx\" target=\"blank\">CBE. \u00bfQu\u00e9 es un planeta? <\/a><\/li>\n<\/ul>\n<p>PD (2008\/XI\/16)<br \/>\n<a href=\"http:\/\/www.gemini.edu\/node\/11126\">Nota de prensa de Gemini del 15 de septiembre,<\/a> sobre el planeta de 1RSX J 160929.1, en Upper Sco<\/p>\n<hr align=\"justify\" size=\"1\" \/>\n<div align=\"justify\"><a href=\"http:\/\/weblogs.madrimasd.org\/astrofisica\/\" target=\"blank\"> <strong> P\u00e1gina principal del \u201cCuaderno de Bit\u00e1cora Estelar\u201d <\/strong><\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>David ByN Otro planeta \u2026 observable en luz visible, en el rango \u00f3ptico. En esta ocasi\u00f3n, con el Hubble Space Telescope. Alrededor de nuestro viejo conocido Fomalhaut , uno de los \u201cBig Four\u201d, las cuatro estrellas protot\u00edpicas de ejemplo de disco debris.<\/p>\n","protected":false},"author":32,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[553,559],"tags":[],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":4}},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"David ByN Otro planeta \u2026 observable en luz visible, en el rango \u00f3ptico. En esta ocasi\u00f3n, con el Hubble Space Telescope. Alrededor de nuestro viejo conocido Fomalhaut , uno de los \u201cBig Four\u201d, las cuatro estrellas protot\u00edpicas de ejemplo de disco debris. Cr\u00e9dito: NASA, ESA, P. Kalas, J. Graham, E. Chiang, E. 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