{"id":81361,"date":"2019-07-30T18:59:51","date_gmt":"2019-07-30T17:59:51","guid":{"rendered":"http:\/\/www.astb.se\/cassiopeiabloggen\/?p=81361"},"modified":"2019-07-31T08:41:06","modified_gmt":"2019-07-31T07:41:06","slug":"nr-56-2019","status":"publish","type":"post","link":"https:\/\/www.astb.se\/cassiopeiabloggen\/2019\/07\/30\/nr-56-2019\/","title":{"rendered":"Nr 56 2019"},"content":{"rendered":"<h2>\n\t<strong>Astronomiskt sommarl&auml;ger uppt&auml;cker supernova<\/strong><br \/>\n<\/h2>\n<p>\n\t<a href=\"http:\/\/www.astronomerstelegram.org\/?read=12966\">P&aring; Astronomer&acute;s &nbsp;Telegram ber&auml;ttas<\/a> att ett ryskt astronomiskt sommarl&auml;ger som anv&auml;nt ett robotteleskop i Chile (0.50-m f\/3.8 reflektor + CCD), Rio Hurtad, arrangerat av Lomonosov-universitetet i Moskva, sannolikt ig&aring;r (=29.7) uppt&auml;ckt en supernova. Skenbar magn: 18.8.\n<\/p>\n<p>\n\t<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2019\/07\/12115858_653151191455278_6201780596666979484_n1.png\"><img decoding=\"async\" alt=\"12115858_653151191455278_6201780596666979484_n[1]\" class=\"aligncenter size-medium wp-image-81379\" height=\"298\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2019\/07\/12115858_653151191455278_6201780596666979484_n1-300x298.png\" width=\"300\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2019\/07\/12115858_653151191455278_6201780596666979484_n1-300x298.png 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2019\/07\/12115858_653151191455278_6201780596666979484_n1-150x150.png 150w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2019\/07\/12115858_653151191455278_6201780596666979484_n1-200x198.png 200w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2019\/07\/12115858_653151191455278_6201780596666979484_n1.png 960w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n<\/p>\n<p>\n\t&nbsp;Jag vet inte vad grattis heter p&aring; ryska men det &auml;r en annorlunda uppt&auml;ckt mitt i tr&aring;landet av supernovor. Koll av asteroider, kometer etc, ger inga resultat, s&aring; det kan mycket v&auml;l handla om &auml;kta vara. Faktiskt hoppas jag det.\n<\/p>\n<p>\n\t<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2019\/07\/LANAT-PSN1-Chilescope-anim1.gif\"><img decoding=\"async\" alt=\"LANAT-PSN1-Chilescope-anim[1]\" class=\"aligncenter size-medium wp-image-81365\" height=\"300\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2019\/07\/LANAT-PSN1-Chilescope-anim1-300x300.gif\" width=\"300\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2019\/07\/LANAT-PSN1-Chilescope-anim1-300x300.gif 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2019\/07\/LANAT-PSN1-Chilescope-anim1-150x150.gif 150w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2019\/07\/LANAT-PSN1-Chilescope-anim1-200x200.gif 200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n<\/p>\n<p style=\"text-align: center;\">\n\t<em>Klicka upp s&aring; blinkar sm&auml;llen mitt i bilden.<\/em>\n<\/p>\n<h2>\n\t<strong>Stj&auml;rnan kastades ut fr&aring;n hemmet i Vintergatan<\/strong><br \/>\n<\/h2>\n<p>\n\tMycket intressant: Astronomer har nu identifierat en huvudseriestj&auml;rna typ &quot;hyper-velocitystar&quot; som r&ouml;r sig enormt snabbt ut fr&aring;n Vintergatans centrum SgrA* (ett massivt svart h&aring;l).\n<\/p>\n<p>\n\tHastigheten, efter alla reduktioner, anses ligga p&aring; 1800 kms&minus;1 och stj&auml;rnan, katalogiaserad som S5-HVS1, har haft 4,8 miljoner &aring;r p&aring; sig att hitta ut dit till platsen i Vintergatan d&auml;r den &auml;r nu.\n<\/p>\n<p>\n\tMassan hos stj&auml;rnan&nbsp;motsvarar 2,35 solmassor och den ligger drygt &sim;9 kpc fr&aring;n oss (drygt 30 000 ljus&aring;r)&nbsp;.\n<\/p>\n<p>\n\t<a href=\"https:\/\/arxiv.org\/pdf\/1907.11725.pdf\"><font color=\"#0066cc\">Storyn h&auml;r.<\/font><\/a>\n<\/p>\n<h2>\n\t<strong>Vilka &auml;r alla k&auml;ndisastronomer?<\/strong><br \/>\n<\/h2>\n<p>\n\tInb&auml;ddad i <strong>Eric Stempels<\/strong> ber&auml;ttelse om IUA-kongressen i Stockholm 1938&nbsp;i 100bloggen &nbsp;finns en fantastisk dokument&auml;r, som <strong>&Aring;ke Wallenquist <\/strong>ombes&ouml;rjde. Vi har identifierat ett antal astronomer &#8211; kan du se n&aring;gra som du k&auml;nner till?\n<\/p>\n<p>\n\t<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2019\/07\/HEV_1564496658357-1.jpg\"><img decoding=\"async\" alt=\"HEV_1564496658357 (1)\" class=\"aligncenter size-medium wp-image-81375\" height=\"300\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2019\/07\/HEV_1564496658357-1-145x300.jpg\" width=\"145\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2019\/07\/HEV_1564496658357-1-145x300.jpg 145w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2019\/07\/HEV_1564496658357-1-97x200.jpg 97w\" sizes=\"(max-width: 145px) 100vw, 145px\" \/><\/a>\n<\/p>\n<p>\n\tVi &auml;r n&aring;gra som l&auml;gger pussel och resultatet finns h&auml;r:\n<\/p>\n<p>\n\t<a href=\"http:\/\/100.astronomiska.se\/56-iaus-kongress-i-stockholm-1938\/\"><font color=\"#0066cc\">http:\/\/100.astronomiska.se\/56-iaus-kongress-i-stockholm-1938\/<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Astronomiskt sommarl&auml;ger uppt&auml;cker supernova P&aring; Astronomer&acute;s &nbsp;Telegram ber&auml;ttas att ett ryskt astronomiskt sommarl&auml;ger som anv&auml;nt ett robotteleskop i Chile (0.50-m f\/3.8 reflektor + CCD), Rio Hurtad, arrangerat av Lomonosov-universitetet i Moskva, sannolikt ig&aring;r (=29.7) uppt&auml;ckt en supernova. Skenbar magn: 18.8. &nbsp;Jag vet inte vad grattis heter p&aring; ryska men det &auml;r en annorlunda uppt&auml;ckt mitt&hellip;&nbsp;<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/2019\/07\/30\/nr-56-2019\/\" rel=\"bookmark\">L\u00e4s mer &raquo;<span class=\"screen-reader-text\">Nr 56 2019<\/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\/81361"}],"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=81361"}],"version-history":[{"count":16,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/81361\/revisions"}],"predecessor-version":[{"id":81380,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/81361\/revisions\/81380"}],"wp:attachment":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/media?parent=81361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/categories?post=81361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/tags?post=81361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}