{"id":225317,"date":"2025-11-18T01:23:23","date_gmt":"2025-11-18T07:23:23","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/11\/id830-is-the-most-x-ray-luminous-radio-loud-quasar-observations-find"},"modified":"2025-11-18T01:23:23","modified_gmt":"2025-11-18T07:23:23","slug":"id830-is-the-most-x-ray-luminous-radio-loud-quasar-observations-find","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/11\/id830-is-the-most-x-ray-luminous-radio-loud-quasar-observations-find","title":{"rendered":"ID830 is the most X-ray luminous radio-loud quasar, observations find"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/id830-is-the-most-x-ray-luminous-radio-loud-quasar-observations-find.jpg\"><\/a><\/p>\n<p>An international team of astronomers have employed the Spektr-RG spacecraft and various ground-based telescopes to investigate a distant quasar known as ID830. Results of the new observations, <a href=\"https:\/\/arxiv.org\/abs\/2511.05029\" target=\"_blank\">published<\/a> November 7 on the pre-print server <i>arXiv<\/i>, indicate that ID830 is the most X-ray luminous radio-loud quasar known to date.<\/p>\n<p>Quasars, or quasi-stellar objects (QSOs), are <a href=\"https:\/\/phys.org\/tags\/active+galactic+nuclei\/\" rel=\"tag\" class=\"\">active galactic nuclei<\/a> (AGN) in the centers of active galaxies, powered by <a href=\"https:\/\/phys.org\/news\/2023-04-astronomers-year-mystery-quasars-powerful.html\" rel=\"related\">supermassive black holes<\/a> (SMBHs). They showcase very high bolometric luminosities (over one quattuordecillion erg\/s), emitting <a href=\"https:\/\/phys.org\/tags\/electromagnetic+radiation\/\" rel=\"tag\" class=\"\">electromagnetic radiation<\/a> observable in radio, infrared, visible, ultraviolet and X-ray wavelengths.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>An international team of astronomers have employed the Spektr-RG spacecraft and various ground-based telescopes to investigate a distant quasar known as ID830. Results of the new observations, published November 7 on the pre-print server arXiv, indicate that ID830 is the most X-ray luminous radio-loud quasar known to date. Quasars, or quasi-stellar objects (QSOs), are active [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,1514],"tags":[],"class_list":["post-225317","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-space-travel"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/225317","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=225317"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/225317\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=225317"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=225317"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=225317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}