{"id":751046,"date":"2026-06-21T15:11:20","date_gmt":"2026-06-21T15:11:20","guid":{"rendered":"https:\/\/www.newsbeep.com\/au\/751046\/"},"modified":"2026-06-21T15:11:20","modified_gmt":"2026-06-21T15:11:20","slug":"fast-x-ray-transient-meaning-sources-latest-news","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/au\/751046\/","title":{"rendered":"Fast X-Ray Transient, Meaning, Sources, Latest News"},"content":{"rendered":"<p>Fast X-ray Transients  are energetic, non-repeating bursts of low-energy X-rays associated with violent cosmic events. Read more about Fast X-Ray Transient, Meaning, Sources, Latest News.<\/p>\n<p>\t\t\tFast X-Ray Transient Latest News<\/p>\n<p>Recently, astronomers have uncovered new clues about the origin of a rare and powerful cosmic X-ray flash known as a Fast X-ray Transient (FXT).<\/p>\n<p>About Fast X-Ray Transient<\/p>\n<p>FXTs are energetic, non-repeating bursts of low-energy X-rays associated with violent cosmic events.<br \/>\nIt was first identified about a decade ago.<br \/>\nThey typically last from a few minutes to several hours before fading rapidly, making them difficult to study and leaving their origins largely uncertain.<br \/>\nMany FXTs are associated with high-redshift long period gamma-ray bursts (lGRBs).<br \/>\nKnown X-ray transient types with these timescales include stellar flares, X-ray binary outbursts, supernova shock breakouts (SN SBOs) and gamma-ray bursts (GRBs).<\/p>\n<p>What is Gamma-Ray Burst?<\/p>\n<p>It is a powerful astronomical cosmic burst of high-energy gamma-ray.<br \/>\nIt emits more energy in a few seconds than our Sun will emit in its lifetime.<br \/>\nIt has two distinct emission phases: the short-lived prompt emission (the initial burst phase that emits gamma-rays), followed by a long-lived multi-wavelength afterglow phase.\u00a0<br \/>\nSources of Gamma Ray<\/p>\n<p>They are produced by the hottest and most energetic objects in the universe, such as neutron stars and pulsars, supernova explosions, and regions around black holes.<br \/>\nOn Earth, gamma waves are generated by nuclear explosions, lightning, and the less dramatic activity of radioactive decay.<\/p>\n<p>Source: <a href=\"https:\/\/www.pib.gov.in\/PressReleasePage.aspx?PRID=2275128&amp;reg=48&amp;lang=1\" target=\"_blank\" rel=\"nofollow noopener\">PIB<\/a><\/p>\n<p>                        <img loading=\"lazy\" decoding=\"async\" src=\"data:image\/svg+xml,%3Csvg%20xmlns=\" http:=\"\" width=\"18\" height=\"14\" alt=\"Update Icon\" data-lazy-src=\"https:\/\/www.newsbeep.com\/au\/wp-content\/uploads\/2026\/06\/update.webp\"\/><br \/>\n                    Latest UPSC Exam 2026 Updates        <\/p>\n<p>\n                           <img loading=\"lazy\" decoding=\"async\" src=\"data:image\/svg+xml,%3Csvg%20xmlns=\" http:=\"\" width=\"16\" height=\"17\" alt=\"Date Icon\" data-lazy-src=\"https:\/\/www.newsbeep.com\/au\/wp-content\/uploads\/2026\/06\/date.webp\"\/>Last updated on June, 2026\n                       <\/p>\n<p>\u2192 <a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/upsc-prelims-result-2026\/\" rel=\"nofollow noopener\" target=\"_blank\">UPSC Prelims Result 2026<\/a> is now out.<\/p>\n<p>\u2192 <a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/upsc-ifs-result\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">UPSC IFoS Prelims Result 2026<\/a> is now out.<\/p>\n<p>\u2192 Enroll in Vajiram &amp; Ravi\u2019s <a href=\"https:\/\/vajiramandravi.com\/all-courses\/upsc-mains-test-series\/\" rel=\"nofollow noopener\" target=\"_blank\">UPSC Mains Test Series 2026<\/a> for structured answer writing practice, expert evaluation, and exam-oriented feedback.<\/p>\n<p>\u2192 Join Vajiram &amp; Ravi\u2019s <a href=\"https:\/\/vajiramandravi.com\/all-courses\/upsc-mentorship-program\/mentorship-progam-2026\/\" rel=\"nofollow noopener\" target=\"_blank\">UPSC Mentorship Program 2026<\/a>\u00a0for personalized guidance, strategy planning, and one-to-one support from experienced mentors.<\/p>\n<p>\u2192 Join Vajiram &amp; Ravi\u2019s <a href=\"https:\/\/vajiramandravi.com\/all-courses\/upsc-mentorship-program\/mentorship-programme-2027\/\" rel=\"nofollow noopener\" target=\"_blank\">UPSC Mentorship Program 2027<\/a>\u00a0for personalized guidance, strategy planning, and one-to-one support from experienced mentors.<\/p>\n<p>\u2192 <a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/upsc-prelims-answer-key-2026\/\" rel=\"nofollow noopener\" target=\"_blank\">UPSC Prelims Provisional Answer Key 2026<\/a> out for GS Paper 1 and CSAT.<\/p>\n<p>\u2192 <a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/upsc-prelims-question-paper-2026\/\" rel=\"nofollow noopener\" target=\"_blank\">UPSC Prelims Question Paper 2026<\/a> Out, Download GS Paper 1 PDF conducted on 24th May 2026.<\/p>\n<p>\u2192 UPSC Mains 2026 will be conducted from 21st August 2026 onwards, and <a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/upsc-prelims\/\" rel=\"nofollow noopener\" target=\"_blank\">UPSC Prelims 2027<\/a> will be held on 23rd May 2027.<\/p>\n<p>\u2192 <a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/upsc-result-2025\/\" target=\"_blank\" rel=\"noopener nofollow\">UPSC Final Result 2025<\/a> is now out.<\/p>\n<p>\u2192 UPSC has released <a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/upsc-toppers-list\/\" rel=\"nofollow noopener\" target=\"_blank\">UPSC Toppers List 2025<\/a> with the Civil Services final result on its official website.<\/p>\n<p>\u2192 <a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/anuj-agnihotri-upsc-air-1-2025\/\" rel=\"nofollow noopener\" target=\"_blank\">Anuj Agnihotri<\/a> secured AIR 1 in the UPSC Civil Services Examination 2025.<\/p>\n<p>\u2192 <a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/upsc-notification-2026\/\" rel=\"nofollow noopener\" target=\"_blank\">UPSC Notification 2026<\/a> &amp; <a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/ifos-indian-forest-service\/\" rel=\"nofollow noopener\" target=\"_blank\">UPSC IFoS Notification 2026<\/a> is now out on the official website at upsconline.nic.in.<\/p>\n<p>\u2192 <a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/upsc-calendar\/\" rel=\"nofollow noopener\" target=\"_blank\">UPSC Calendar 2027<\/a> has been released.<\/p>\n<p>\u2192 Check out the latest <a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/upsc-syllabus\/\" rel=\"nofollow noopener\" target=\"_blank\">UPSC Syllabus<\/a> 2026 here.<\/p>\n<p>\u2192 The UPSC Selection Process is of 3 stages-Prelims, Mains and Interview.<\/p>\n<p>\u2192 <a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/shakti-dubey-upsc-air-1-2024\/\" target=\"_blank\" rel=\"noopener nofollow\">Shakti Dubey<\/a> secures AIR 1 in UPSC CSE Exam 2024.<\/p>\n<p>\u2192 Also check <a href=\"https:\/\/vajiramandravi.com\/\" target=\"_blank\" rel=\"noopener nofollow\">Best UPSC Coaching in India<\/a><\/p>\n<p>Fast X-ray Transient FAQs<\/p>\n<p class=\"faq-question\" style=\"margin: 0.5em 0;padding:10px;color:#000;cursor:pointer\">Q1. What are Fast X-ray Transients (FXTs)?+<\/p>\n<p class=\"faq-answer\" style=\"font-size:16px;display:none;margin-left:20px;\">Ans. Brief, intense flashes of X-rays lasting seconds to minutes \u2013 from explosive cosmic events<\/p>\n<p class=\"faq-question\" style=\"margin: 0.5em 0;padding:10px;color:#000;cursor:pointer\">Q2. Which Indian space observatory detected a rare FXT named \u2018XT-190630\u2019?+<\/p>\n<p class=\"faq-answer\" style=\"font-size:16px;display:none;margin-left:20px;\">Ans. AstroSat \u2013 using Cadmium Zinc Telluride Imager (CZTI) instrument<\/p>\n<p style=\"margin-top:1.4em;\">Tags: <a class=\"tags\" style=\"color:#fff!important\" href=\"https:\/\/vajiramandravi.com\/current-affairs\/tag\/fast-x-ray-transient\/\" rel=\"nofollow noopener\" target=\"_blank\">fast x-ray transient<\/a> <\/p>\n<p>Previous Article<br \/><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/bharat-climate-observation-network\/\" rel=\"nofollow noopener\" target=\"_blank\">Bharat Climate Observation Network<\/a>Next Article<br \/><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/turquoise-nexus-initiative\/\" rel=\"nofollow noopener\" target=\"_blank\">Turquoise Nexus Initiative<\/a><img loading=\"lazy\" decoding=\"async\" width=\"100\" height=\"100\" src=\"data:image\/svg+xml,%3Csvg%20xmlns=\" http:=\"\" alt=\"Vajiram Prelims Team\" data-lazy-src=\"https:\/\/www.newsbeep.com\/au\/wp-content\/uploads\/2026\/06\/7eb129f58cb3ec0266824bc59367998f3e6a03ac5272fa68381bc7b7ee08800b.jpeg\"\/><\/p>\n<p>Vajiram Prelims Team<\/p>\n<p>At Vajiram &amp; Ravi, our team includes subject experts who have appeared for the UPSC Mains and the Interview stage. With their deep understanding of the exam, they create content that is clear, to the point, reliable, and helpful for aspirants.Their aim is to make even difficult topics easy to understand and directly useful for your UPSC preparation\u2014whether it\u2019s for Current Affairs, General Studies, or Optional subjects. Every note, article, or test is designed to save your time and boost your performance.<\/p>\n<p>Related Posts<\/p>\n<p>Courses<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"data:image\/svg+xml,%3Csvg%20xmlns=\" http:=\"\" alt=\"UPSC Sureshot Mains Test Series\" width=\"240\" height=\"144\" data-lazy-src=\"https:\/\/www.newsbeep.com\/au\/wp-content\/uploads\/2026\/05\/SureShot.webp\"\/><\/p>\n<p>UPSC Sureshot Mains Test Series<\/p>\n<p>\n\u20b919000\n<\/p>\n<p><a href=\"https:\/\/vajiramandravi.com\/all-courses\/upsc-mains-test-series\/sureshot\/\" class=\"explore-button\" target=\"_blank\" rel=\"nofollow noopener\">Enroll Now<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Fast X-ray Transients are energetic, non-repeating bursts of low-energy X-rays associated with violent cosmic events. Read more about&hellip;\n","protected":false},"author":2,"featured_media":751047,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[64,63,360503,292,128],"class_list":["post-751046","post","type-post","status-publish","format-standard","has-post-thumbnail","category-physics","tag-au","tag-australia","tag-fast-x-ray-transient","tag-physics","tag-science"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts\/751046","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/comments?post=751046"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts\/751046\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/media\/751047"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/media?parent=751046"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/categories?post=751046"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/tags?post=751046"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}