{"id":11930,"date":"2025-07-21T18:50:09","date_gmt":"2025-07-21T16:50:09","guid":{"rendered":"https:\/\/gaia.ub.edu\/?p=11930"},"modified":"2025-08-21T18:51:54","modified_gmt":"2025-08-21T16:51:54","slug":"pasivacion-de-la-nave-espacial-gaia","status":"publish","type":"post","link":"https:\/\/gaia.ub.edu\/?p=11930&lang=ca","title":{"rendered":"Passivaci\u00f3 de la nau espacial Gaia"},"content":{"rendered":"<p data-start=\"42\" data-end=\"342\">Col\u00b7legues de l\u2019ESA i del consorci de Gaia es van reunir a l\u2019ESOC (Darmstadt) el 27 de mar\u00e7 per acomiadar la nau espacial Gaia en la seva retirada. Xavi Luri, Carme Jordi, Claus Fabricius, entre d\u2019altres de l\u2019equip de Gaia Barcelona, van ser presents a la celebraci\u00f3 del molt exit\u00f3s sat\u00e8l\u00b7lit Gaia.<\/p>\n<p data-start=\"344\" data-end=\"964\">L\u2019\u00f2rbita de Gaia al voltant del punt de Lagrange L2 ja no es pot mantenir sense propel\u00b7lent, i per aix\u00f2 va ser traslladada a una \u00f2rbita helioc\u00e8ntrica, lluny d\u2019altres naus que observen l\u2019Univers des de L2 i evitant la seva proximitat a la Terra. Despr\u00e9s de la inserci\u00f3 de Gaia en la seva \u00f2rbita final, la nau va ser passivada amb \u00e8xit. Passivar una nau espacial significa que la c\u00e0rrega \u00fatil, el m\u00f2dul de c\u00e0rrega, el m\u00f2dul de servei i els transmissors s\u00f3n apagats. Gaia va ser dissenyada per ser resilient i podria intentar reiniciar-se despr\u00e9s d\u2019apagar-se. Amb la passivaci\u00f3 es va evitar que es produ\u00eds aquest reinici.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-11916\" src=\"https:\/\/gaia.ub.edu\/wp-content\/uploads\/2025\/08\/The_final_commands_are_sent_to_Gaia_article-300x226.jpg\" alt=\"\" width=\"300\" height=\"226\" srcset=\"https:\/\/gaia.ub.edu\/wp-content\/uploads\/2025\/08\/The_final_commands_are_sent_to_Gaia_article-300x226.jpg 300w, https:\/\/gaia.ub.edu\/wp-content\/uploads\/2025\/08\/The_final_commands_are_sent_to_Gaia_article-768x578.jpg 768w, https:\/\/gaia.ub.edu\/wp-content\/uploads\/2025\/08\/The_final_commands_are_sent_to_Gaia_article-160x120.jpg 160w, https:\/\/gaia.ub.edu\/wp-content\/uploads\/2025\/08\/The_final_commands_are_sent_to_Gaia_article.jpg 960w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>La passivaci\u00f3 de la nau espacial marca la retirada oficial de Gaia. El Consorci de Processament i An\u00e0lisi de Dades de Gaia, aix\u00ed com l\u2019Equip d\u2019Operacions Cient\u00edfiques de Gaia de l\u2019ESA, continuaran la seva tasca en la preparaci\u00f3 de la <a href=\"https:\/\/www.cosmos.esa.int\/web\/gaia\/data-release-4\">quarta publicaci\u00f3 de dades de Gaia<\/a> (prevista cap al 2026, de la qual ja est\u00e0 disponible un primer <a href=\"https:\/\/www.cosmos.esa.int\/web\/gaia\/dr4\">resum de continguts<\/a>) i del<a href=\"https:\/\/www.cosmos.esa.int\/web\/gaia\/release\"> cat\u00e0leg llegat final de Gaia<\/a> (previst cap al 2030). La missi\u00f3 Gaia de l\u2019ESA continuar\u00e0 fins a la publicaci\u00f3 dels cat\u00e0legs finals, despr\u00e9s de la qual passar\u00e0 a la fase de llegat.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-11919\" src=\"https:\/\/gaia.ub.edu\/wp-content\/uploads\/2025\/08\/Gaia_bye-300x124.png\" alt=\"\" width=\"300\" height=\"124\" srcset=\"https:\/\/gaia.ub.edu\/wp-content\/uploads\/2025\/08\/Gaia_bye-300x124.png 300w, https:\/\/gaia.ub.edu\/wp-content\/uploads\/2025\/08\/Gaia_bye-768x318.png 768w, https:\/\/gaia.ub.edu\/wp-content\/uploads\/2025\/08\/Gaia_bye-1536x635.png 1536w, https:\/\/gaia.ub.edu\/wp-content\/uploads\/2025\/08\/Gaia_bye.png 1918w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Col\u00b7legues de l\u2019ESA i del consorci de Gaia es van reunir a l\u2019ESOC (Darmstadt) el 27 de mar\u00e7 per acomiadar la nau espacial Gaia en la seva retirada. Xavi Luri, Carme Jordi, Claus Fabricius, entre d\u2019altres de l\u2019equip de Gaia Barcelona, van ser presents a la celebraci\u00f3 del molt exit\u00f3s sat\u00e8l\u00b7lit Gaia. L\u2019\u00f2rbita de Gaia [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":11923,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[98,109,105,118],"tags":[],"class_list":["post-11930","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-ca","category-news-ca","category-press-tv-ca","category-slider-ca"],"_links":{"self":[{"href":"https:\/\/gaia.ub.edu\/index.php?rest_route=%2Fwp%2Fv2%2Fposts%2F11930&lang=ca","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gaia.ub.edu\/index.php?rest_route=%2Fwp%2Fv2%2Fposts&lang=ca"}],"about":[{"href":"https:\/\/gaia.ub.edu\/index.php?rest_route=%2Fwp%2Fv2%2Ftypes%2Fpost&lang=ca"}],"author":[{"embeddable":true,"href":"https:\/\/gaia.ub.edu\/index.php?rest_route=%2Fwp%2Fv2%2Fusers%2F14&lang=ca"}],"replies":[{"embeddable":true,"href":"https:\/\/gaia.ub.edu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&lang=ca&post=11930"}],"version-history":[{"count":4,"href":"https:\/\/gaia.ub.edu\/index.php?rest_route=%2Fwp%2Fv2%2Fposts%2F11930%2Frevisions&lang=ca"}],"predecessor-version":[{"id":11934,"href":"https:\/\/gaia.ub.edu\/index.php?rest_route=%2Fwp%2Fv2%2Fposts%2F11930%2Frevisions%2F11934&lang=ca"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gaia.ub.edu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia%2F11923&lang=ca"}],"wp:attachment":[{"href":"https:\/\/gaia.ub.edu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&lang=ca&parent=11930"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gaia.ub.edu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&lang=ca&post=11930"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gaia.ub.edu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&lang=ca&post=11930"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}