{"id":3927454,"date":"2026-08-12T12:04:13","date_gmt":"2026-08-12T17:04:13","guid":{"rendered":"https:\/\/mikedyess.info\/para\/famous-oddball-quasar-isnt-x-ray-weak-after-all-astronomers-say\/"},"modified":"2026-08-12T12:04:13","modified_gmt":"2026-08-12T17:04:13","slug":"famous-oddball-quasar-isnt-x-ray-weak-after-all-astronomers-say","status":"publish","type":"post","link":"https:\/\/mikedyess.info\/para\/famous-oddball-quasar-isnt-x-ray-weak-after-all-astronomers-say\/","title":{"rendered":"Famous oddball quasar isn&#8217;t X-ray weak after all, astronomers say"},"content":{"rendered":"<div>For more than two decades, the quasar PHL 1811 has been considered the prototype of a rare class of &#8220;intrinsically X-ray weak&#8221; quasars, thought to produce unusually little X-ray radiation. But in 2024, the Einstein Probe spacecraft caught the object in a bright X-ray flare. In a new study, astronomers combined that observation with more than 20 years of archival data to revisit the mystery. The findings were published in The Astrophysical Journal on July 28.<\/div>\n<p><a target=\"_blank\" href=\"https:\/\/phys.org\/news\/2026-08-famous-oddball-quasar-isnt-ray.html\" target=\"_blank\">Go to Source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>For more than two decades, the quasar PHL 1811 has been considered the prototype of a rare class of &#8220;intrinsically X-ray weak&#8221; quasars, thought to produce unusually little X-ray radiation. But in 2024, the Einstein Probe spacecraft caught the object in a bright X-ray flare. In a new study, astronomers combined that observation with more [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"class_list":["post-3927454","post","type-post","status-publish","format-standard","hentry","category-astronomy","odd"],"_links":{"self":[{"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/posts\/3927454","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/comments?post=3927454"}],"version-history":[{"count":0,"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/posts\/3927454\/revisions"}],"wp:attachment":[{"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/media?parent=3927454"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/categories?post=3927454"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/tags?post=3927454"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}