{"id":758,"date":"2015-02-20T13:20:13","date_gmt":"2015-02-20T13:20:13","guid":{"rendered":"http:\/\/phsites.technion.ac.il\/soker\/?p=758"},"modified":"2015-05-07T18:26:09","modified_gmt":"2015-05-07T18:26:09","slug":"forming-equatorial-rings-around-dying-stars","status":"publish","type":"post","link":"https:\/\/phsites.technion.ac.il\/soker\/forming-equatorial-rings-around-dying-stars\/","title":{"rendered":"Forming equatorial rings around dying stars (March 2015)"},"content":{"rendered":"<p><strong>Muhammad Akashi<\/strong>, <strong>Efrat Sabach<\/strong>, <strong>Ohad Yogev<\/strong> and I\u00a0suggest that clumpy-dense outflowing equatorial rings\u00a0around evolved giant stars,\u00a0<span style=\"line-height: 1.5\">such as in sup<\/span><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-788 \" src=\"http:\/\/phsites.technion.ac.il\/soker\/wp-content\/uploads\/sites\/4\/2015\/02\/zAkashi2015.jpg\" alt=\"zAkashi2015\" width=\"201\" height=\"195\" \/>ernova 1987A and the Necklace planetary nebula, are formed by <span style=\"background-color: #cc99ff\">bipolar jets\u00a0<\/span>that compress gas toward the equatorial plane. The jets are launched from an accretion disk around a stellar companion.\u00a0The jets account also for the presence of a bipolar nebula accompanying many of the rings. See\u00a0<a title=\"paper\" href=\"http:\/\/adsabs.harvard.edu\/abs\/2015arXiv150205541A\">Paper<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Muhammad Akashi, Efrat Sabach, Ohad Yogev and I\u00a0suggest that clumpy-dense outflowing equatorial rings\u00a0around evolved giant stars,\u00a0such as in supernova 1987A and the Necklace planetary nebula, are formed by bipolar jets\u00a0that compress gas toward the equatorial plane. The jets are launched from an accretion disk around a stellar companion.\u00a0The jets account also for the presence of &hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[2],"tags":[],"class_list":{"0":"post-758","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-news","7":"entry"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Forming equatorial rings around dying stars (March 2015) Prof. Noam Soker<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/phsites.technion.ac.il\/soker\/forming-equatorial-rings-around-dying-stars\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Forming equatorial rings around dying stars (March 2015) Prof. Noam Soker\" \/>\n<meta property=\"og:description\" content=\"Muhammad Akashi, Efrat Sabach, Ohad Yogev and I\u00a0suggest that clumpy-dense outflowing equatorial rings\u00a0around evolved giant stars,\u00a0such as in supernova 1987A and the Necklace planetary nebula, are formed by bipolar jets\u00a0that compress gas toward the equatorial plane. The jets are launched from an accretion disk around a stellar companion.\u00a0The jets account also for the presence of &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/phsites.technion.ac.il\/soker\/forming-equatorial-rings-around-dying-stars\/\" \/>\n<meta property=\"og:site_name\" content=\"Prof. Noam Soker\" \/>\n<meta property=\"article:published_time\" content=\"2015-02-20T13:20:13+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2015-05-07T18:26:09+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/phsites.technion.ac.il\/soker\/wp-content\/uploads\/sites\/4\/2015\/02\/zAkashi2015.jpg\" \/>\n<meta name=\"author\" content=\"Noam Soker\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Noam Soker\" \/>\n<script type=\"application\/ld+json\" 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