Webb-teleskopet har dokumenterat nya m\u00e4tningar av Krabbnebulosan, ikoniska M1. H\u00e4r finns pressrelisen.<\/a><\/p>\n\n\n\nESA\/NASA\/C servar oss med en rad videosar.<\/p>\n\n\n\nH\u00e4r hittar vi Krabban i Vintergatan, en supernovarest med f\u00f6delse\u00e5ret 1054 e Kr. Bland nutida utforskare fanns v\u00e5r egen Knut Lundmark<\/strong>. P\u00e5 hans tid brukade vi s\u00e4ga att h\u00e4lften av alla astronomer var p\u00e5 n\u00e5got s\u00e4tt sysselsatta med denna supernova, den andra h\u00e4lften forskade om allt det andra inom astronomin.<\/li><\/ol>\n\n\n\n\n<\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>2. H\u00e4r kan vi se likheter och skillnader mellan Hubble-teleskopet och JWST-maskineriets studier:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"nv-iframe-embed\"><iframe title=\"Hubble and Webb\u2019s views of the Crab Nebula\" width=\"1200\" height=\"675\" src=\"https:\/\/www.youtube.com\/embed\/5W_DfyPDRj4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>3. En panoramak\u00f6rning \u00f6ver Krabban med JWST:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"nv-iframe-embed\"><iframe title=\"Pan of the Crab Nebula\" width=\"1200\" height=\"675\" src=\"https:\/\/www.youtube.com\/embed\/i6mzLv19TtI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Fram\u00f6ver ska Hubble-teleskopet ta fler bilder, vilket inte skett p\u00e5 tjugo \u00e5r. D\u00e5 l\u00e4r vi ocks\u00e5 kunna se hur nebulosan faktiskt expanderar i rymden.<\/p>\n\n\n\n<p>Bland de senaste \u00e5rens utforskning av Krabban kan noteras: <\/p>\n\n\n\n<p> * En intensiv utforskning med hj\u00e4lp av Tjerenkovinstrument, gammak\u00e4nsliga teleskop m m. Krabban \u00e4r ett schlaraffenland f\u00f6r astrofysikerna.<\/p>\n\n\n\n<p>* Vid sm\u00e4llen ingick supernovan sannolikt inte i ett bin\u00e4rt system.<\/p>\n\n\n\n<p>* Nya m\u00e4tningar – bl a med hj\u00e4lp av Chalmers\/Onsala\/R\u00e5\u00f6astronomen<strong> Franz Kirsten<\/strong> – av Krabbnebulosans pulsar och dess radioparallax visar stor \u00f6verenst\u00e4mmelse med Gaia 3:s m\u00e4tning, avst\u00e5ndet d = 1.90+0.22\u22120.18 kpc . Ungef\u00e4r 6300 ljus\u00e5r.<\/p>\n\n\n\n<p><br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>JWST greppar Krabban Webb-teleskopet har dokumenterat nya m\u00e4tningar av Krabbnebulosan, ikoniska M1. H\u00e4r finns pressrelisen. ESA\/NASA\/C servar oss med en rad videosar. H\u00e4r hittar vi Krabban i Vintergatan, en supernovarest med f\u00f6delse\u00e5ret 1054 e Kr. Bland nutida utforskare fanns v\u00e5r egen Knut Lundmark. P\u00e5 hans tid brukade vi s\u00e4ga att h\u00e4lften av alla astronomer var… <a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/2023\/10\/30\/nr-76-2023\/\" rel=\"bookmark\">L\u00e4s mer »<span class=\"screen-reader-text\">Nr 76 2023<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/94396"}],"collection":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/comments?post=94396"}],"version-history":[{"count":13,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/94396\/revisions"}],"predecessor-version":[{"id":94409,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/94396\/revisions\/94409"}],"wp:attachment":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/media?parent=94396"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/categories?post=94396"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/tags?post=94396"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
ESA\/NASA\/C servar oss med en rad videosar.<\/p>\n\n\n\n