{"id":240,"date":"2019-06-17T18:11:22","date_gmt":"2019-06-17T16:11:22","guid":{"rendered":"http:\/\/spectro-uvex.tech\/?p=240"},"modified":"2020-06-03T11:49:54","modified_gmt":"2020-06-03T09:49:54","slug":"un-atlas-spectral","status":"publish","type":"post","link":"https:\/\/spectro-uvex.tech\/?p=240","title":{"rendered":"Un atlas spectral"},"content":{"rendered":"\n<p>On a vu dans les sections pr\u00e9c\u00e9dentes l\u2019importance de disposer de sources artificielles de raies qui produisent un flux assez fort et que l\u2019on peut disposer face \u00e0 l\u2019entr\u00e9e du t\u00e9lescope pour les r\u00e9glages. En routine, ces m\u00eames lampes peuvent servir \u00e0 \u00e9talonner en longueur d\u2019onde les spectres scientifiques bien s\u00fbr (\u00e9clairement en pleine pupille, le meilleur). On recommande de disposer de deux types de lampes peu co\u00fbteuses : (1) une lampe fluo-compact (mais attention la l\u00e9gislation en Europe fait quelles disparaissent des \u00e9talages, remplac\u00e9es par les calamiteuses lampe LED, mais en cherchant bien on peut encore en trouver), (2) une lampe \u00e0 d\u00e9charge au n\u00e9on que l\u2019on peut trouver sous forme&nbsp; de vielleuse (contr\u00f4le des syst\u00e8mes \u00e9lectriques par exemple).<\/p>\n\n\n\n<p>Voici les longueurs d\u2019onde des raies principales que l\u2019on peut rep\u00e9rer dans&nbsp; la lumi\u00e8re produite par une&nbsp; lampe fluo-compact et telles que UVEX les restitue (les raies fines viennent d\u2019une vapeur de mercure, les bandes larges viennent des terres rares d\u00e9pos\u00e9es sur la face interne de l\u2019ampoule de verre) :&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img fetchpriority=\"high\" decoding=\"async\" width=\"794\" height=\"544\" src=\"https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-1.jpg\" alt=\"\" class=\"wp-image-241\" srcset=\"https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-1.jpg 794w, https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-1-600x411.jpg 600w, https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-1-300x206.jpg 300w, https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-1-768x526.jpg 768w\" sizes=\"(max-width: 794px) 100vw, 794px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"691\" height=\"475\" src=\"https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-2.jpg\" alt=\"\" class=\"wp-image-242\" srcset=\"https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-2.jpg 691w, https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-2-600x412.jpg 600w, https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-2-300x206.jpg 300w\" sizes=\"(max-width: 691px) 100vw, 691px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"711\" height=\"419\" src=\"https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-3.jpg\" alt=\"\" class=\"wp-image-243\" srcset=\"https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-3.jpg 711w, https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-3-600x354.jpg 600w, https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-3-300x177.jpg 300w\" sizes=\"(max-width: 711px) 100vw, 711px\" \/><\/figure>\n\n\n\n<p>Un atlas de raies du spectre d\u2019une veilleuse \u00e0 lampe n\u00e9on : <\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"722\" height=\"486\" src=\"https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-4.jpg\" alt=\"\" class=\"wp-image-244\" srcset=\"https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-4.jpg 722w, https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-4-600x404.jpg 600w, https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-4-300x202.jpg 300w\" sizes=\"(max-width: 722px) 100vw, 722px\" \/><\/figure>\n\n\n\n<p>Pour information, les raies de Balmer stellaires, forts utiles pour \u00e9talonner les spectres UVEX dans l\u2019ultraviolet : <\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"727\" height=\"520\" src=\"https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-5.jpg\" alt=\"\" class=\"wp-image-245\" srcset=\"https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-5.jpg 727w, https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-5-600x429.jpg 600w, https:\/\/spectro-uvex.tech\/wp-content\/uploads\/2019\/06\/atlas-5-300x215.jpg 300w\" sizes=\"(max-width: 727px) 100vw, 727px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>On a vu dans les sections pr\u00e9c\u00e9dentes l\u2019importance de disposer de sources artificielles de raies qui produisent un flux assez fort et que l\u2019on peut disposer face \u00e0 l\u2019entr\u00e9e du t\u00e9lescope pour les r\u00e9glages. En routine, ces m\u00eames lampes peuvent servir \u00e0 \u00e9talonner en longueur d\u2019onde les spectres scientifiques bien s\u00fbr (\u00e9clairement en pleine pupille, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","_jetpack_memberships_contains_paid_content":false,"ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[],"footnotes":""},"categories":[28],"tags":[],"class_list":["post-240","post","type-post","status-publish","format-standard","hentry","category-spectres","entry","owp-thumbs-layout-horizontal","owp-btn-normal","owp-tabs-layout-horizontal","has-no-thumbnails","has-product-nav"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/spectro-uvex.tech\/index.php?rest_route=\/wp\/v2\/posts\/240","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spectro-uvex.tech\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spectro-uvex.tech\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spectro-uvex.tech\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/spectro-uvex.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=240"}],"version-history":[{"count":3,"href":"https:\/\/spectro-uvex.tech\/index.php?rest_route=\/wp\/v2\/posts\/240\/revisions"}],"predecessor-version":[{"id":1460,"href":"https:\/\/spectro-uvex.tech\/index.php?rest_route=\/wp\/v2\/posts\/240\/revisions\/1460"}],"wp:attachment":[{"href":"https:\/\/spectro-uvex.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=240"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spectro-uvex.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=240"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spectro-uvex.tech\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=240"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}