{"id":297090,"date":"2017-04-04T06:43:27","date_gmt":"2017-04-04T10:43:27","guid":{"rendered":"https:\/\/ntrs.nasa.gov\/search.jsp?R=20170002676"},"modified":"2017-04-04T06:43:27","modified_gmt":"2017-04-04T10:43:27","slug":"ic-751-a-new-changing-look-agn-discovered-by-nustar","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=297090","title":{"rendered":"IC 751: A New Changing Look AGN Discovered by NuSTAR"},"content":{"rendered":"<p>Abstract: We present results of five Nuclear Spectroscopic Telescope Array (NuSTAR) observations of the type 2 active galactic nucleus (AGN) in IC 751, three of which were performed simultaneously with XMM-Newton or Swift\/ X-Ray Telescope. We find that the nuclear X-ray source underwent a clear transition from a Compton-thick (NH approx. = 2 x10(exp 24)\/sq cm) to a Compton-thin ( N(sub H) approx. = 4 x10(exp 23)\/sq cm) state on timescales of < or approx.3 months, which makes IC 751 the first changing l...\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract: We present results of five Nuclear Spectroscopic Telescope Array (NuSTAR) observations of the type 2 active galactic nucleus (AGN) in IC 751, three of which were performed simultaneously with XMM-Newton or Swift\/ X-Ray Telescope. We find that the nuclear X-ray source underwent a clear transition from a Compton-thick (NH approx. = 2 x10(exp 24)\/sq cm) to a Compton-thin ( N(sub H) approx. = 4 x10(exp 23)\/sq cm) state on timescales of <\/p>\n","protected":false},"author":60,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-297090","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/297090","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\/60"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=297090"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/297090\/revisions"}],"predecessor-version":[{"id":297091,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/297090\/revisions\/297091"}],"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=297090"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=297090"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=297090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}