{"id":38620,"date":"2013-01-25T08:17:20","date_gmt":"2013-01-25T07:17:20","guid":{"rendered":"http:\/\/www.astb.se\/cassiopeiabloggen\/?p=38620"},"modified":"2013-01-25T23:17:04","modified_gmt":"2013-01-25T22:17:04","slug":"nr-10-2013","status":"publish","type":"post","link":"https:\/\/www.astb.se\/cassiopeiabloggen\/2013\/01\/25\/nr-10-2013\/","title":{"rendered":"Nr 10 2013"},"content":{"rendered":"<h2>Ljusstark komet p&aring; sydstj&auml;rnhimmeln<\/h2>\n<p>En av <strong>Christian Vestergaards<\/strong> m&aring;nga kompisar down under heter <strong>Grahame Kelaher <\/strong>och f&aring;ngade senast (= tidigare i dag) den 6,5 magnituder ljusa kometen C\/2912 F6 Lemmon. Stj&auml;rnan Alpha Muscae t v.<\/p>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Median-COMET-Scaled_WEB2.jpg\"><img decoding=\"async\" width=\"640\" height=\"406\" alt=\"\" class=\"aligncenter size-full wp-image-38625\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Median-COMET-Scaled_WEB2.jpg\" style=\"width: 485px; height: 308px;\" title=\"\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Median-COMET-Scaled_WEB2.jpg 640w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Median-COMET-Scaled_WEB2-300x190.jpg 300w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p>&#8211;&nbsp; <font face=\"Arial\" size=\"2\">Bilden togs&nbsp; fr&aring;n Perth, WA.Grahame&nbsp; befann sig d&aring; i n&aring;got som heter Secret Harbour&nbsp; och som ligger 50 minuters bilresa s&ouml;der om Perth.<\/font><\/p>\n<p><font face=\"Arial\" size=\"2\">Har vi tur s&aring; blir 2013 B&Aring;DE kometernas och solens &aring;r.<\/font><\/p>\n<h2>Golfare i rymden<\/h2>\n<p>Tre astronauter har spelat golf i v&auml;rldsrymden. Vilka?<\/p>\n<p>De flesta kan <strong>Alan Shepard<\/strong>, som med sitt&nbsp; slag visade m&aring;nens ytgravitation. Det skedde under Apollo 14-utflykten till v&aring;r drabant.<\/p>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/golf.jpg\"><img decoding=\"async\" alt=\"\" class=\"aligncenter size-thumbnail wp-image-38634\" height=\"150\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/golf-150x150.jpg\" title=\"\" width=\"150\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/golf-150x150.jpg 150w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/golf.jpg 250w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/a><\/p>\n<p>Men de andra?<\/p>\n<p>R&auml;tt svar &auml;r dels ryssen <strong>Mikhail Tyurin<\/strong>, som under en ISS-rymdpromenad 2006 swingade i v&auml;g en golfboll med en klubba fr&aring;n Element 21 Golf Company, dels <strong>Brian Duffy<\/strong>, bef&auml;lhavare p&aring; rymdf&auml;rjan Endeavour som 1996 puttade en golfboll ombord. Koppen var en specialtejpad sak.<\/p>\n<h2>Kameleontpulsar f&ouml;rbryllar astronomer<\/h2>\n<p>LOFAR har b&ouml;rjat leverera, senast tillsammans med ESA:s rymdteleskop XMM-Newton:<\/p>\n<div class=\"msgBody\" id=\"msgBodyDiv\" style=\"padding-left: 0px;\">\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Radiopulsar1_2_476.jpg\"><img decoding=\"async\" alt=\"\" class=\"alignleft size-medium wp-image-38632\" height=\"153\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Radiopulsar1_2_476-300x153.jpg\" title=\"Ill fr\u00e5n rapporten\" width=\"300\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Radiopulsar1_2_476-300x153.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Radiopulsar1_2_476.jpg 476w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>Forskarna har studerat en pulsar med namnet <u>PSR B0943+10,<\/u> en av de f&ouml;rsta pulsarer som uppt&auml;cktes.<\/p>\n<p><strong>Pulserna fr&aring;n<\/strong> PSR B0943+10 &auml;ndras i b&aring;de form och ljusstyrka under bara n&aring;gra timmar, och sj&auml;lva &auml;ndringarna sker inom en sekund. Det &auml;r som att pulsaren har tv&aring; skilda personligheter.<\/p>\n<p><strong>Eftersom PSR B0943+10<\/strong> &auml;r en av de f&aring; pulsarer som ocks&aring; s&auml;nder ut r&ouml;ntgenstr&aring;lning ville forskarna studera om dess r&ouml;ntgenstr&aring;lning ocks&aring; &auml;ndras n&auml;r radiopulserna &auml;ndras, vilket skulle kunne ge nya insikter i hur pulserna uppkommer.<\/p>\n<p><strong>Eftersom r&ouml;ntgensignalerna<\/strong> som kommer fr&aring;n pulsaren &auml;r svaga, anv&auml;nde forskarteamet det mest k&auml;nsliga r&ouml;ntgenteleskopet som finns, ESA:s rymdteleskop XMM-Newton. Observationerna gjordes vid sex olika tidpunkter och med en total observationstid av ungef&auml;r sex timmar.<\/p>\n<p><strong>F&ouml;r att identifiera exakt<\/strong> n&auml;r m&ouml;nstret bryts genomf&ouml;rdes samtidigt observationer med n&aring;gra av de mest kraftfulla radioteleskopen i v&auml;rlden, GMRT i Indien och LOFAR i norra Europa.&nbsp;<\/p>\n<p>Det sp&auml;nnande<a href=\"http:\/\/www.chalmers.se\/rss\/oso-sv\/aktuellt\/nyhetsarkiv\/kameleont-pulsar\"> pressmesset fr&aring;n Chalmers finns h&auml;r<\/a>.<\/p>\n<h2>Krasch v&auml;ntar Betelgeuse<\/h2>\n<p>&Auml;nnu <a href=\"http:\/\/www.esa.int\/Our_Activities\/Space_Science\/Betelgeuse_braces_for_a_collision\">en spektakul&auml;r nyhet med ESA-stuk<\/a>: Det &auml;r Herschel-sonden som har identifierat ett antal b&aring;gar framf&ouml;r Betelgeuse, den r&ouml;da giganten i Orion.<\/p>\n<p>Astronomer som &auml;r i farten om 5000 &aring;r l&auml;r f&aring; uppleva n&auml;r b&aring;garna kraschar in i en stoftrik v&auml;gg som ligger i v&auml;gen f&ouml;r stj&auml;rnan och b&aring;garna i dess f&auml;rdriktning. Betelgeuse egen krock &auml;ger rum om 12 500 &aring;r.<\/p>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Betelgeuse_s_enigmatic_environment_large.jpg\"><img decoding=\"async\" alt=\"\" class=\"aligncenter size-medium wp-image-38639\" height=\"168\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Betelgeuse_s_enigmatic_environment_large-300x168.jpg\" title=\"Bildk\u00e4lla: ESA\/Herschel\" width=\"300\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Betelgeuse_s_enigmatic_environment_large-300x168.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Betelgeuse_s_enigmatic_environment_large.jpg 625w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Bra<a href=\"http:\/\/www.popast.nu\/2013\/01\/betelgeuse-spanner-sin-bage.html\"> info bl a p&aring; popast.nu <\/a>men ocks&aring; naturligtvis, i det ursprungliga pressmesset.<\/p>\n<h2>Marsytan p&aring; natten<\/h2>\n<p>NASA:s Curiosity &auml;r &auml;ven nyfiken p&aring; <a href=\"http:\/\/www.jpl.nasa.gov\/news\/news.php?release=2013-032\">hur Mars yta ter sig p&aring; natten<\/a>, i optiskt och ultraviolett ljus. D&aring; kan resultatet bli som detta:<\/p>\n<\/div>\n<h2><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/pia16711-640-1.jpg\"><img decoding=\"async\" alt=\"\" class=\"aligncenter size-medium wp-image-38643\" height=\"164\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/pia16711-640-1-300x164.jpg\" title=\"Bild: NASA\/JPL-Caltech\/MSSS \" width=\"300\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/pia16711-640-1-300x164.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/pia16711-640-1.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/h2>\n<h2>Ny tidskrift p&aring; g&aring;ng i v&auml;ntan p&aring; &quot;Dagens astronomi&quot;<\/h2>\n<p>Uppifter i den mediala v&auml;rlden g&ouml;r g&auml;llande att en ny astronomi- och rymdfartsinriktad tidskrift &auml;r p&aring; g&aring;ng,<em> Allt om rymden<\/em>. Uppenbarligen kalkerad p&aring; engelska <em>Stargazing Live<\/em>.<\/p>\n<p>Det h&auml;nder s&aring; mycket inom astronomin just nu att &quot;man&quot; borde starta en dagstidning.<\/p>\n<p><em>Dagens astronomi<\/em>&#8230;<\/p>\n<p>Jag skulle vara publisher f&ouml;r ett 20-tal anst&auml;llda plus utlandskorrar, och s&aring; skulle vi ha ledarsida, kultursida, nyhetssidor, serier, kanske till och med sportsidor (se golfnotisen ovan!).<\/p>\n<p>Tryckeriet kunde ligga p&aring; m&aring;nens baksida.<\/p>\n<p>Sk&aring;l f&ouml;r denna lysande id&eacute;!<\/p>\n<p>Det enda som saknas &auml;r pengarna.<\/p>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/321439_486512261387555_1093412271_n.jpg\"><img decoding=\"async\" alt=\"\" class=\"aligncenter size-medium wp-image-38646\" height=\"300\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/321439_486512261387555_1093412271_n-225x300.jpg\" title=\"Typisk publisher. Foto: Claes Westlin\" width=\"225\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/321439_486512261387555_1093412271_n-225x300.jpg 225w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/321439_486512261387555_1093412271_n.jpg 720w\" sizes=\"(max-width: 225px) 100vw, 225px\" \/><\/a><\/p>\n<h2>Solexplosion<\/h2>\n<p>Tack till min gamle i K&ouml;penhamn bosatte&nbsp; kompis och vapenbroder (Jernbanecafeen, Vesterbro), journalisten <strong>J&ouml;ran Svahnstr&ouml;m, <\/strong>som h&auml;rom morronen tog denna bed&ouml;vande vackra, kalla bild:<\/p>\n<div class=\"fbPhotoContributorName\" id=\"fbPhotoPageAuthorName\"><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/166501_4619633603579_1874354067_n-1.jpg\"><img decoding=\"async\" width=\"720\" height=\"960\" alt=\"\" class=\"aligncenter size-full wp-image-38621\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/166501_4619633603579_1874354067_n-1.jpg\" style=\"width: 466px; height: 619px;\" title=\"\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/166501_4619633603579_1874354067_n-1.jpg 720w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/166501_4619633603579_1874354067_n-1-225x300.jpg 225w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/a><\/div>\n<p><span class=\"fbPhotosPhotoCaption\" id=\"fbPhotoPageCaption\" tabindex=\"0\"><span class=\"hasCaption\"><br \/>\n\t&#8211; Solexplosion i Ish&oslash;j. D&aring; g&ouml;r det inget att t&aring;get &auml;r f&ouml;rsenat..,, skriver J&ouml;ran p&aring; sin Facebook.<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ljusstark komet p&aring; sydstj&auml;rnhimmeln En av Christian Vestergaards m&aring;nga kompisar down under heter Grahame Kelaher och f&aring;ngade senast (= tidigare i dag) den 6,5 magnituder ljusa kometen C\/2912 F6 Lemmon. Stj&auml;rnan Alpha Muscae t v. &#8211;&nbsp; Bilden togs&nbsp; fr&aring;n Perth, WA.Grahame&nbsp; befann sig d&aring; i n&aring;got som heter Secret Harbour&nbsp; och som ligger 50 minuters&hellip;&nbsp;<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/2013\/01\/25\/nr-10-2013\/\" rel=\"bookmark\">L\u00e4s mer &raquo;<span class=\"screen-reader-text\">Nr 10 2013<\/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\/38620"}],"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=38620"}],"version-history":[{"count":30,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/38620\/revisions"}],"predecessor-version":[{"id":38660,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/38620\/revisions\/38660"}],"wp:attachment":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/media?parent=38620"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/categories?post=38620"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/tags?post=38620"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}