{"id":1678,"date":"2026-08-05T15:46:20","date_gmt":"2026-08-05T13:46:20","guid":{"rendered":"https:\/\/www-new.ias.u-psud.fr\/?p=1678"},"modified":"2026-08-05T15:52:13","modified_gmt":"2026-08-05T13:52:13","slug":"sun","status":"publish","type":"post","link":"https:\/\/www.ias.u-psud.fr\/index.php\/2026\/08\/05\/sun\/","title":{"rendered":"Sun"},"content":{"rendered":"\t\t
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Sun<\/h1>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Caract\u00e9ristiques\u00a0: <\/strong><\/p>

  • Axe horizontal<\/li>
  • Sous flux laminaire ISO 5, hall ISO 8<\/li>
  • Diam\u00e8tre utile\u00a0: 550 mm<\/li>
  • Longueur\u00a0utile: 605 mm<\/li>
  • Plaques interface\u00a0 :<\/li><\/ul>
    1. \u00a0plaque de base: 250 x 540 mm<\/li>
    2. plaque sup\u00e9rieure amovible: 496 x 540 mm<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n
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      Acquisitions, \u00e9quipement :<\/strong><\/p>

      • Pression : 1 jauge Piezo, 1 jauge Pirani,2 jauges Penning<\/li>
      • Temp\u00e9rature\u00a0: 8 capteurs type\u00a0: platine 100 \u2126 (mesure en 4 fils)<\/li>
      • Analyseur de gaz r\u00e9siduel (RGA) avec pompage diff\u00e9rentiel<\/li>
      • Horloge en UTC (Temps Universel Coordonn\u00e9)<\/li>
      • Enregistrement dans fichiers ASCII toutes les secondes<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n
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        Pompage<\/strong>\u00a0:<\/p>

        • \u00a0 1 Pompe primaire<\/li>
        • \u00a0 1 Pompe turbomol\u00e9culaire<\/li>
        • \u00a0 Pression \u00e0 vide\u00a0: 1 10-7<\/sup> hPa<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n
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          \u00c9tuvage :<\/strong><\/p>

          • \u00c9tuvage radiatif<\/strong><\/li>
          • Pi\u00e8ces pos\u00e9es<\/strong> sur plaque inox reposant sur 4 pieds isol\u00e9s des \u00e9crans<\/li>
          • Temp\u00e9rature maximale : 200 \u00b0C, pente maximale 1\u00b0C\/minute sur les \u00e9crans<\/li>
          • Trois \u00e9crans r\u00e9gul\u00e9s simultan\u00e9ment\u00a0:<\/li><\/ul>

            \u00a0cylindre = \u00ab\u00a0centre\u00a0\u00bb (r\u00e9gulateur programmable ma\u00eetre)<\/p>

            \u00a02 disques\u00a0: \u00ab\u00a0avant\u00a0\u00bb et \u00ab\u00a0arri\u00e8re\u00a0\u00bb\u00a0 (r\u00e9gulateurs esclaves)<\/p>

            • 2 s\u00e9curit\u00e9s sur arr\u00eat puissance chauffage\u00a0:<\/li><\/ul>

              Pression > 2 10-4<\/sup> hPa (temporis\u00e9 \u00e0 10 secondes)<\/p>

              Mesure d\u2019un des trois r\u00e9gulateurs > seuil d\u2019alarme (programmable en accord avec les exp\u00e9rimentateurs, typiquement : 5\u00b0C\u00a0au-dessus de la consigne d\u2019\u00e9tuvage)<\/p>

              • Pas de syst\u00e8me de refroidissement\u00a0pour le retour \u00e0 temp\u00e9rature ambiante :<\/li><\/ul>

                Compter 36h pour un \u00e9tuvage \u00e0 100\u00b0C et 48h pour 200\u00b0C<\/p>

                • Aucune travers\u00e9e \u00e9lectrique disponible pour les exp\u00e9rimentateurs<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/div>\n\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

                  La mission SoHO (Solar and Heliospheric Observatory – ESA\/NASA) a \u00e9t\u00e9 con\u00e7ue pour \u00e9tudier la structure interne du Soleil, le chauffage de son atmosph\u00e8re, les origines et l\u2019acc\u00e9l\u00e9ration du vent solaire.<\/p>\n","protected":false},"author":3,"featured_media":1633,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","ast-disable-related-posts":"","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-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1678","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classe"],"_links":{"self":[{"href":"https:\/\/www.ias.u-psud.fr\/index.php\/wp-json\/wp\/v2\/posts\/1678","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ias.u-psud.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ias.u-psud.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ias.u-psud.fr\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ias.u-psud.fr\/index.php\/wp-json\/wp\/v2\/comments?post=1678"}],"version-history":[{"count":4,"href":"https:\/\/www.ias.u-psud.fr\/index.php\/wp-json\/wp\/v2\/posts\/1678\/revisions"}],"predecessor-version":[{"id":1685,"href":"https:\/\/www.ias.u-psud.fr\/index.php\/wp-json\/wp\/v2\/posts\/1678\/revisions\/1685"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ias.u-psud.fr\/index.php\/wp-json\/wp\/v2\/media\/1633"}],"wp:attachment":[{"href":"https:\/\/www.ias.u-psud.fr\/index.php\/wp-json\/wp\/v2\/media?parent=1678"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ias.u-psud.fr\/index.php\/wp-json\/wp\/v2\/categories?post=1678"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ias.u-psud.fr\/index.php\/wp-json\/wp\/v2\/tags?post=1678"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}