{"id":86617,"date":"2020-12-12T13:57:55","date_gmt":"2020-12-12T12:57:55","guid":{"rendered":"http:\/\/www.astb.se\/cassiopeiabloggen\/?p=86617"},"modified":"2020-12-12T13:58:00","modified_gmt":"2020-12-12T12:58:00","slug":"nr-114-2020","status":"publish","type":"post","link":"https:\/\/www.astb.se\/cassiopeiabloggen\/2020\/12\/12\/nr-114-2020\/","title":{"rendered":"Nr 114 2020"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Vintergatan &#8220;enligt G\u00f6ran Strand&#8221;<\/h2>\n\n\n\n<p>F\u00f6rr sa vi alltid inom den astronomiska communityn, n\u00e4r diskussionens v\u00e5gor gick h\u00f6ga, att &#8220;s\u00e5 h\u00e4r ligger det till  enligt Hoyle&#8221;. Nu kan vi s\u00e4ga samma om v\u00e5r eminente astrofotgraf i norr : S\u00e5 h\u00e4r ter sig Vintergatan i syd &#8220;enligt <strong>G\u00f6ran Strand<\/strong>&#8220;.<\/p>\n\n\n\n<p>Till v\u00e4nster ser vi sommartriangeln men sen s\u00f6ker sig G\u00f6rans mosaik mot sydligare nejder och dess stj\u00e4rnbilder, under v\u00e5r norr\u00f6na horisont. De Magellanska molnen ligger under G\u00f6rans egen sydhorisont i Chile,<\/p>\n\n\n\n<p>Obs!!! Bl\u00e5s upp bilden genom att klicka p\u00e5 den ett par g\u00e5nger.<\/p>\n\n\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/?attachment_id=86622\" rel=\"attachment wp-att-86622\"><img decoding=\"async\" class=\"aligncenter size-medium wp-image-86622\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/130303007_10158641126845560_6349564559152876051_o-300x166.jpg\" alt=\"\" width=\"300\" height=\"166\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/130303007_10158641126845560_6349564559152876051_o-300x166.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/130303007_10158641126845560_6349564559152876051_o-1024x567.jpg 1024w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/130303007_10158641126845560_6349564559152876051_o-768x425.jpg 768w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/130303007_10158641126845560_6349564559152876051_o-200x111.jpg 200w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/130303007_10158641126845560_6349564559152876051_o.jpg 1500w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n\n\n<p><a href=\"https:\/\/www.facebook.com\/astrofotografen\/posts\/10157827272968434\">P\u00e5 facebook skriver G\u00f6ran<\/a>  att han till och fr\u00e5n jobbat med panoramat \u00f6ver Vintergatan  sedan slutet av 2019. <\/p>\n\n\n\n<p>Panoramat best\u00e5r av totalt 7 bilder d\u00e4r varje bild \u00e4r en sammanslagning av flera bilder med en total exponeringstid p\u00e5 15 minuter. Bilderna fr\u00e5n s\u00f6dra halvklotet togs i Atacama\u00f6knen sommaren 2019. Bilderna fr\u00e5n norra halvklotet \u00e4r tagna i Hand\u00f6l under h\u00f6sten 2019.<\/p>\n\n\n\n<p>De tekniska detaljerna \u00e5terfinns p\u00e5 fb-sajten.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">H\u00e4r skapas guldet<\/h2>\n\n\n\n<p>P\u00e5<a href=\"https:\/\/kaw.wallenberg.org\/forskning\/stjarnkrock-visar-hur-guld-bildas\"> hemsidan f\u00f6r Knut och Alice Wallenbergs stiftelse<\/a> kan vi nu l\u00e4sa hur det g\u00e5r till n\u00e4r neutronstj\u00e4rnor krockar och till och med grund\u00e4mnet guld bildas. F\u00f6rr trodde vi att det var supernovornas &#8220;ugnar&#8221; som bakade guldet, men det \u00e4r faktiskt v\u00e4rre \u00e4n s\u00e5.<\/p>\n\n\n\n<p>P\u00e5 stiftelsens sajt intervjuas <strong>Stephan Rosswog, <\/strong>astronomprofessor med inriktning mot extragalaktisk och h\u00f6genergirik astrofysik. I projektet &#8220;Gravity meets light&#8221; deltar \u00e4ven <strong>Ariel Goobar, Anders Jerkstrand, Hiranya<\/strong> <strong>Peiris<\/strong> och<strong> Jesper Sollerman.<\/strong><\/p>\n\n\n\n<p>Det beviljade anslaget \u00e4r p\u00e5 33,5 miljoner kr och projektet l\u00f6per under fem \u00e5r.<\/p>\n\n\n\n<p>Forskningen i projektet v\u00e4ntas ge ny kunskap om hur materia beter sig vid extrema f\u00f6rh\u00e5llanden. Men det kan ocks\u00e5 ge svar p\u00e5 fr\u00e5gan om hur snabbt universum utvidgas, genom att f\u00f6rb\u00e4ttra s\u00e4ttet att m\u00e4ta avst\u00e5nd i rymden baserat p\u00e5 information fr\u00e5n gravitationsv\u00e5gor och elektromagnetisk str\u00e5lning.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">&#8220;Planet 9&#8221; hittad runt en annan stj\u00e4rna<\/h2>\n\n\n\n<p>En 11 ggr Jupiter-stor exoplanet, uppt\u00e4ckt 2013, <a href=\"https:\/\/www.spacetelescope.org\/news\/heic2021\/?lang\">fascinerar HST-forskarna:<\/a> Den ligger l\u00e5ngt utanf\u00f6r sitt dubbla stj\u00e4rnsystem och dess skiva. Dessutom \u00e4r banvinkeln kraftigt lutad visavi skivan. <\/p>\n\n\n<figure id=\"attachment_86643\" aria-describedby=\"caption-attachment-86643\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/?attachment_id=86643\" rel=\"attachment wp-att-86643\"><img decoding=\"async\" class=\"size-medium wp-image-86643\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/heic2021a-300x181.jpg\" alt=\"\" width=\"300\" height=\"181\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/heic2021a-300x181.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/heic2021a-200x121.jpg 200w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/heic2021a.jpg 700w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-86643\" class=\"wp-caption-text\"><em>Bildk\u00e4lla: ESA\/Hubble, M. Kornmesser<\/em><\/figcaption><\/figure>\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>F\u00f6r HST-forskarna p\u00e5minner fenomenet om den f\u00f6rmodade &#8220;Planet 9&#8221; i v\u00e5rt eget solsystems ytterkant.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Julkort fr\u00e5n Mt Hindby<\/h2>\n\n\n\n<p>Tack till H<strong>ans Hilderfors, <\/strong>som skickat detta julkort &#8211; en reliefkarta \u00f6ver m\u00e5nytan med Tycho-kratern som mest framst\u00e5ende:<\/p>\n\n\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/?attachment_id=86631\" rel=\"attachment wp-att-86631\"><img decoding=\"async\" class=\"aligncenter size-medium wp-image-86631\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/God-Jul-Mt-Hindby-2020-300x229.jpg\" alt=\"\" width=\"300\" height=\"229\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/God-Jul-Mt-Hindby-2020-300x229.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/God-Jul-Mt-Hindby-2020-1024x783.jpg 1024w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/God-Jul-Mt-Hindby-2020-768x587.jpg 768w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/God-Jul-Mt-Hindby-2020-200x153.jpg 200w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/God-Jul-Mt-Hindby-2020-1536x1174.jpg 1536w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/God-Jul-Mt-Hindby-2020.jpg 1616w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n\n\n<p>Hur Hans jobbat fram bilden?<\/p>\n\n\n\n<p>&#8211; Jag\u00a0tog\u00a0min\u00a0fullm\u00e5nebild\u00a0\u00a0&#8220;Mineral\u00a0Moon&#8221;\u00a0\u00a0fr\u00e5n\u00a02020-03-09 och bearbetade den i Photoshop.  <\/p>\n\n\n\n<p>Anv\u00e4nde\u00a0ett\u00a0filter\u00a0som\u00a0heter\u00a0basrelief\u00a0och\u00a0kunde\u00a0f\u00e5\u00a0fram\u00a0den\u00a0syntetiska\u00a0reli-efen\u00a0p\u00e5\u00a0m\u00e5nbilden efter\u00a0lite\u00a0trixande.<\/p>\n\n\n\n<p>Grattis samtidigt till Hans f\u00f6r baksidesbilderna p\u00e5 senaste <em>Telescopium<\/em>!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vintergatan &#8220;enligt G\u00f6ran Strand&#8221; F\u00f6rr sa vi alltid inom den astronomiska communityn, n\u00e4r diskussionens v\u00e5gor gick h\u00f6ga, att &#8220;s\u00e5 h\u00e4r ligger det till enligt Hoyle&#8221;. Nu kan vi s\u00e4ga samma om v\u00e5r eminente astrofotgraf i norr : S\u00e5 h\u00e4r ter sig Vintergatan i syd &#8220;enligt G\u00f6ran Strand&#8220;. Till v\u00e4nster ser vi sommartriangeln men sen s\u00f6ker&hellip;&nbsp;<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/2020\/12\/12\/nr-114-2020\/\" rel=\"bookmark\">L\u00e4s mer &raquo;<span class=\"screen-reader-text\">Nr 114 2020<\/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\/86617"}],"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=86617"}],"version-history":[{"count":26,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/86617\/revisions"}],"predecessor-version":[{"id":86648,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/86617\/revisions\/86648"}],"wp:attachment":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/media?parent=86617"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/categories?post=86617"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/tags?post=86617"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}