{"id":974,"date":"2018-11-08T20:21:42","date_gmt":"2018-11-08T19:21:42","guid":{"rendered":"https:\/\/pepsi.aip.de\/?p=974"},"modified":"2019-03-27T10:52:08","modified_gmt":"2019-03-27T09:52:08","slug":"kelt-9-b-optical-mg-i-triplet-detected","status":"publish","type":"post","link":"https:\/\/pepsi.aip.de\/?p=974","title":{"rendered":"KELT-9 b optical Mg I triplet detected"},"content":{"rendered":"\r\n<p>PEPSI has detected the optical Mg I triplet at 7.8-sigma in the extended atmosphere of the ultra-hot Jupiter KELT-9 b. Constraints are placed on the density and radial extent of the excited hydrogen envelope.<\/p>\r\n<figure id=\"attachment_977\" aria-describedby=\"caption-attachment-977\" style=\"width: 1499px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/pepsi.aip.de\/wp-content\/uploads\/2018\/11\/Bild_Mg.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-977 size-full\" src=\"https:\/\/pepsi.aip.de\/wp-content\/uploads\/2018\/11\/Bild_Mg.png\" alt=\"Average line profiles for the Mg triplet lines of the Kelt-9 b atmosphere.\" width=\"1499\" height=\"544\" srcset=\"https:\/\/pepsi.aip.de\/wp-content\/uploads\/2018\/11\/Bild_Mg.png 1499w, https:\/\/pepsi.aip.de\/wp-content\/uploads\/2018\/11\/Bild_Mg-300x109.png 300w, https:\/\/pepsi.aip.de\/wp-content\/uploads\/2018\/11\/Bild_Mg-768x279.png 768w, https:\/\/pepsi.aip.de\/wp-content\/uploads\/2018\/11\/Bild_Mg-1024x372.png 1024w\" sizes=\"auto, (max-width: 1499px) 100vw, 1499px\" \/><\/a><figcaption id=\"caption-attachment-977\" class=\"wp-caption-text\">Average line profiles for the Mg triplet lines of the Kelt-9 b atmosphere. ST is the ratio stellar spectrum in transit divided by stellar spectrum out of transit. Possible contaminating atomic transitions are marked with vertical red lines. Spectral resolution R is 50,000.<\/figcaption><\/figure>\r\n<p>&nbsp;<\/p>\r\n<p>Read more:\u00a0<a href=\"http:\/\/adsabs.harvard.edu\/abs\/2019AJ....157...69C\">Cauley et al., 2019, AJ 157, 69<\/a><\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>PEPSI has detected the optical Mg I triplet at 7.8-sigma in the extended atmosphere of the ultra-hot Jupiter KELT-9 b. Constraints are placed on the density and radial extent of the excited hydrogen envelope. &nbsp; Read more:\u00a0Cauley et al., 2019, AJ 157, 69<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-974","post","type-post","status-publish","format-standard","hentry","category-publications"],"_links":{"self":[{"href":"https:\/\/pepsi.aip.de\/index.php?rest_route=\/wp\/v2\/posts\/974","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pepsi.aip.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pepsi.aip.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pepsi.aip.de\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/pepsi.aip.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=974"}],"version-history":[{"count":18,"href":"https:\/\/pepsi.aip.de\/index.php?rest_route=\/wp\/v2\/posts\/974\/revisions"}],"predecessor-version":[{"id":1040,"href":"https:\/\/pepsi.aip.de\/index.php?rest_route=\/wp\/v2\/posts\/974\/revisions\/1040"}],"wp:attachment":[{"href":"https:\/\/pepsi.aip.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=974"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pepsi.aip.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=974"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pepsi.aip.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}