{"id":293,"date":"2013-08-27T08:42:06","date_gmt":"2013-08-27T08:42:06","guid":{"rendered":"http:\/\/phsites.technion.ac.il\/soker\/?p=293"},"modified":"2013-12-18T10:35:34","modified_gmt":"2013-12-18T10:35:34","slug":"latest-large-outburst-sn2009ip","status":"publish","type":"post","link":"https:\/\/phsites.technion.ac.il\/soker\/latest-large-outburst-sn2009ip\/","title":{"rendered":"A binary model for the large outburst of SN2009ip (August 2013)"},"content":{"rendered":"<p>There is an ongoing debate regarding the nature of the SN impostor SN 2009ip and\u00a0the several outbursts that followed its 2009 eruption (see post below from December 2012). Most controversial is the nature of\u00a0the 2012b outburst, with three main types of scenarios: SN explosion, non-terminal single star\u00a0eruption, and a binary interaction. Recently we further developed the binary model. In <a href=\"http:\/\/arxiv.org\/abs\/1308.4555\">Tsebrenko &amp; Soker (2013)<\/a>\u00a0<span style=\"background-color: #ffff00;\">we\u00a0show that high-velocity ejecta with 10,000 km\/s in the outbursts of the 2009ip and similar luminous blue variable (LBV) stars can be explained by the interaction of fast jets, having velocity of 2000-3000 km\/s, with a circumbinary shell<\/span> (extended envelope). \u00a0In <a href=\"http:\/\/arxiv.org\/abs\/1307.7681\">Kashi, Soker &amp; Moskovitz (2013)<\/a> we propose that the major 2012b outburst of the supernova impostor SN 2009ip was powered by an extended and repeated interaction between the Luminous Blue Variable (LBV) and a more compact companion.\u00a0<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>There is an ongoing debate regarding the nature of the SN impostor SN 2009ip and\u00a0the several outbursts that followed its 2009 eruption (see post below from December 2012). Most controversial is the nature of\u00a0the 2012b outburst, with three main types of scenarios: SN explosion, non-terminal single star\u00a0eruption, and a binary interaction. Recently we further developed &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-293","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 v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A binary model for the large outburst of SN2009ip (August 2013) 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\/latest-large-outburst-sn2009ip\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A binary model for the large outburst of SN2009ip (August 2013) Prof. Noam Soker\" \/>\n<meta property=\"og:description\" content=\"There is an ongoing debate regarding the nature of the SN impostor SN 2009ip and\u00a0the several outbursts that followed its 2009 eruption (see post below from December 2012). Most controversial is the nature of\u00a0the 2012b outburst, with three main types of scenarios: SN explosion, non-terminal single star\u00a0eruption, and a binary interaction. Recently we further developed &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/phsites.technion.ac.il\/soker\/latest-large-outburst-sn2009ip\/\" \/>\n<meta property=\"og:site_name\" content=\"Prof. Noam Soker\" \/>\n<meta property=\"article:published_time\" content=\"2013-08-27T08:42:06+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2013-12-18T10:35:34+00:00\" \/>\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\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" 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