{"id":187681,"date":"2013-03-19T19:00:00","date_gmt":"2013-03-19T23:00:00","guid":{"rendered":"d5cd7f12464a3cb04da5f6341ce2f1bf"},"modified":"2013-03-19T19:00:00","modified_gmt":"2013-03-19T23:00:00","slug":"maxi-j1659%c2%ad%e2%80%93152","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=187681","title":{"rendered":"MAXI J1659\u00ad\u2013152"},"content":{"rendered":"<p>\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/videos\/2013\/03\/maxi_j1659_152\/12575656-4-eng-GB\/MAXI_J1659_152_small.jpg\" width=\"170\" height=\"96\" align=\"left\" hspace=\"8\" \/><\/p>\n<p>MAXI J1659\u2013152 is a rapidly spinning binary system comprising a black hole more than three times more massive than the Sun and a red dwarf companion star only 20% the mass of the Sun. The pair are separated by only 1.3 solar radii, or just under one million kilometres. Thanks to a 14.5 hour observing campaign by ESA\u2019s XMM-Newton, scientists were able to measure a record-breaking orbital period of just 2.4 hours \u2013 the fastest spinning binary system with a black hole. The black hole orbits around the system\u2019s common centre of mass at 150 000 km\/h, while the companion travels at two million kilometres per hour, making it the fastest-moving star ever seen in a binary system.&nbsp;<br \/>\nThe centre of mass is so close to the black hole due to its vast mass that it appears as if it is not orbiting. In this animation the focus is on the periodic absorption dips detected by XMM-Newton as the stream of material from the companion impacts on the black hole\u2019s accretion disc.&nbsp;<br \/>The system was first found on 25 September 2010 by NASA\u2019s Swift space telescope, with follow-up observations by the Japanese MAXI instrument on the International Space Station, NASA\u2019s Rossi X-ray Timing Explorer, ESA\u2019s XMM-Newton and ESO\u2019s ground-based Very Large Telescope.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/videos\/2013\/03\/maxi_j1659_152\/12575656-4-eng-GB\/MAXI_J1659_152_small.jpg\" width=\"170\" height=\"96\" align=\"left\" hspace=\"8\" \/><\/p>\n<p>MAXI J1659\u2013152 is a rapidly spinning binary system comprising a black hole more than three times more massive than the Sun and a red dwarf companion star only 20% the mass of the Sun. The pair are separated by only 1.3 solar radii, or just under one million kilometres. Thanks to a 14.5 hour observing campaign by ESA\u2019s XMM-Newton, scientists were able to measure a record-breaking orbital period of just 2.4 hours \u2013 the fastest spinning binary system with a black hole. The black hole orbits around the system\u2019s common centre of mass at 150 000 km\/h, while the companion travels at two million kilometres per hour, making it the fastest-moving star ever seen in a binary system.&nbsp;<br \/>\nThe centre of mass is so close to the black hole due to its vast mass that it appears as if it is not orbiting. In this animation the focus is on the periodic absorption dips detected by XMM-Newton as the stream of material from the companion impacts on the black hole\u2019s accretion disc.&nbsp;<br \/>The system was first found on 25 September 2010 by NASA\u2019s Swift space telescope, with follow-up observations by the Japanese MAXI instrument on the International Space Station, NASA\u2019s Rossi X-ray Timing Explorer, ESA\u2019s XMM-Newton and ESO\u2019s ground-based Very Large Telescope.<\/p>\n","protected":false},"author":5,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-187681","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-multimedia"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/187681","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=187681"}],"version-history":[{"count":0,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/187681\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=187681"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=187681"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=187681"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}