{"id":473656,"date":"2022-07-13T21:10:42","date_gmt":"2022-07-13T18:10:42","guid":{"rendered":"https:\/\/en.buradabiliyorum.com\/siri-2-to-qualify-technologies-for-radiation-detection-in-space\/"},"modified":"2022-07-13T21:10:42","modified_gmt":"2022-07-13T18:10:42","slug":"siri-2-to-qualify-technologies-for-radiation-detection-in-space","status":"publish","type":"post","link":"https:\/\/buradabiliyorum.com\/en\/siri-2-to-qualify-technologies-for-radiation-detection-in-space\/","title":{"rendered":"#SIRI-2 to qualify technologies for radiation detection in space"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2ed9099d9fd\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #dd3333;color:#dd3333\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #dd3333;color:#dd3333\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2ed9099d9fd\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/buradabiliyorum.com\/en\/siri-2-to-qualify-technologies-for-radiation-detection-in-space\/#%E2%80%9CSIRI-2_to_qualify_technologies_for_radiation_detection_in_space%E2%80%9D\" >&#8220;SIRI-2 to qualify technologies for radiation detection in space&#8221;<\/a><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"%E2%80%9CSIRI-2_to_qualify_technologies_for_radiation_detection_in_space%E2%80%9D\"><\/span>&#8220;SIRI-2 to qualify technologies for radiation detection in space&#8221;<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<div>\n<div class=\"article-gallery lightGallery\">\n<div data-thumb=\"https:\/\/scx1.b-cdn.net\/csz\/news\/tmb\/2022\/siri-2-to-qualify-tech.jpg\" data-src=\"https:\/\/scx2.b-cdn.net\/gfx\/news\/hires\/2022\/siri-2-to-qualify-tech.jpg\" data-sub-html=\"A United Launch Alliance Atlas V rocket lifts off Dec. 7, 2021, from Space Launch Complex 41 at Cape Canaveral Space Force Station, Fla. The rocket propelled two Department of Defense Space Test Program satellites into space. Credit: U.S. Space Force \/ Joshua Conti\">\n<figure class=\"article-img\">\n            <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/scx1.b-cdn.net\/csz\/news\/800a\/2022\/siri-2-to-qualify-tech.jpg\" alt=\"SIRI-2 to qualify technologies for radiation detection in space\" title=\"A United Launch Alliance Atlas V rocket lifts off Dec. 7, 2021, from Space Launch Complex 41 at Cape Canaveral Space Force Station, Fla. The rocket propelled two Department of Defense Space Test Program satellites into space. Credit: U.S. Space Force \/ Joshua Conti\" width=\"800\" height=\"530\"\/><figcaption class=\"text-darken text-low-up text-truncate-js text-truncate mt-3\">\n                A United Launch Alliance Atlas V rocket lifts off Dec. 7, 2021, from Space Launch Complex 41 at Cape Canaveral Space Force Station, Fla. The rocket propelled two Department of Defense Space Test Program satellites into space. Credit: U.S. Space Force \/ Joshua Conti<br \/>\n            <\/figcaption><\/figure>\n<\/p><\/div>\n<\/div>\n<p>U.S. Naval Research Laboratory scientists launched the second Strontium Iodide Radiation Instrument (SIRI-2) instrument in December 2021 onboard Space Test Program (STP) Sat-6. SIRI-2, a gamma-ray spectrometer, will demonstrate the performance of europium-doped strontium iodide gamma ray detection <a href=\"https:\/\/buradabiliyorum.com\/en\/category\/technology\/\" data-internallinksmanager029f6b8e52c=\"4\" title=\"Technology\" target=\"_blank\" rel=\"noopener\">technology<\/a> with sufficient active area for Department of Defense (DoD) operational needs.<\/p>\n<section class=\"article-banner first-banner ads-336x280\">\n         <!-- \/4988204\/Phys_Story_InText_Box --><\/p>\n<\/section>\n<p>The first SIRI mission was launched Dec. 3, 2018 onboard STP Sat-5 with a one-year mission to investigate the detector&#8217;s response to on-orbit background radiation in low Earth orbit (LEO). The much larger SIRI-2 instrument is operating in a geosynchronous orbit where the radiation background is significantly different in composition. <\/p>\n<p>&#8220;The technology being demonstrated in SIRI-2 will need to detect small radiation signatures or signals in the highly variable background radiation fields found in space,&#8221; said Lee Mitchell, Ph.D., an NRL Research Physicist. &#8220;The instrument will also study transient phenomena, such as solar flares during the one-year mission.&#8221; <\/p>\n<p>The SIRI line of instruments is designed to space-qualify new gamma-ray scintillator materials and readout electronics. <\/p>\n<p>A scintillator is a material that exhibits the property of luminescence when excited by ionizing radiation and is commonly used for radiation detection. Luminescent materials, when struck by incoming particles, absorb its energy and re-emit the absorbed energy in the form of visible light. <\/p>\n<p>The instrument will also test new Silicon Photomultiplier (SiPM) technology which converts the scintillation light to electronic signals and is expected to replace conventional photomultiplier tubes. These materials and electronics, to varying degrees, react differently to the intense on-orbit background radiation. <\/p>\n<p>&#8220;We hope to show this technology can be used in space, since it can be difficult for some technologies developed for terrestrial <a href=\"https:\/\/buradabiliyorum.com\/en\/category\/download-scripts-themes-apps\/\" data-internallinksmanager029f6b8e52c=\"9\" title=\"Download Scripts &amp; Themes &amp; Apps\" target=\"_blank\" rel=\"noopener\">app<\/a>lications to operate in the harsh space environment,&#8221; Mitchell said. <\/p>\n<p>The DoD has been utilizing scintillation detectors in space since the 1960s&#8217; Vela high-altitude nuclear detection program. Scintillator technology is widely used throughout the scientific community in areas such as astrophysics and solar and earth <a href=\"https:\/\/buradabiliyorum.com\/en\/category\/sciencee\/\" data-internallinksmanager029f6b8e52c=\"5\" title=\"Science\" target=\"_blank\" rel=\"noopener\">science<\/a>. &#8220;While we reduced the cost, weight and power for comparable sized instruments,&#8221; Mitchell said, &#8220;these improvements led to greater sensitivity and in turn improve source detection and identification.&#8221; <\/p>\n<p>SIRI-2 completed on-orbit checkout on Jan. 10. Mitchell said, &#8220;So far, the instrument is performing well.&#8221; <\/p>\n<p>One thing that has Mitchell and his team excited is seeing the pickup of solar activity. The solar cycle is an 11-year change in the sun&#8217;s activity measured in terms of variations in the number of observed sunspots on the solar surface, and the mission is well aligned with the peak of Solar Cycle 25. <\/p>\n<p>&#8220;While the peak of the solar cycle is expected to occur in 2025, it appears the sun is showing significant activity earlier than expected,&#8221; Mitchell said. &#8220;Solar flare activity is most active at the peak of the solar cycle, so we hope to not only space-qualify new technology for the DoD but also make significant contributions to solar physics by studying gamma rays emitted during solar flares.&#8221;<\/p>\n<p>As a follow-on to SIRI-2, SIRI-3 will take knowledge gained from the previous missions to develop a large prototype instrument that is expected to launch in late 2025.<\/p>\n<hr\/>\n<div class=\"article-main__explore my-4 d-print-none\">\n<p>                                            Strong solar flare erupts from sun\n                                        <\/p><\/div>\n<hr class=\"mb-4\"\/>\n<div class=\"article-main__more p-4\">\n                                                                                                <strong>More information:<\/strong><br \/>\n                                                S. Singer, The Vela satellite program for detection of high-altitude nuclear detonations, <i>Proceedings of the IEEE<\/i> (2008).  <a rel=\"nofollow noopener\" target=\"_blank\" data-doi=\"1\" href=\"https:\/\/dx.doi.org\/10.1109\/PROC.1965.4470\">DOI: 10.1109\/PROC.1965.4470<\/a><\/p><\/div>\n<div class=\"d-inline-block text-medium my-4\">\n                                                Provided by<br \/>\n                                                                                                    Naval Research Laboratory<br \/>\n                                                                                                        <a rel=\"nofollow noopener\" target=\"_blank\" class=\"icon_open\" href=\"http:\/\/www.nrl.navy.mil\/\"><br \/>\n                                                        <svg>\n                                                            <use href=\"https:\/\/phys.b-cdn.net\/tmpl\/v6\/img\/svg\/sprite.svg#icon_open\" x=\"0\" y=\"0\"\/>\n                                                        <\/svg><br \/>\n                                                    <\/a><\/p><\/div>\n<p>                                        <!-- print only --><\/p>\n<div class=\"d-none d-print-block\">\n<p>                                                 <strong>Citation<\/strong>:<br \/>\n                                                 SIRI-2 to qualify technologies for radiation detection in space (2022, July 13)<br \/>\n                                                 retrieved 13 July 2022<br \/>\n                                                 from https:\/\/phys.org\/<a href=\"https:\/\/buradabiliyorum.com\/en\/category\/news\/\" data-internallinksmanager029f6b8e52c=\"2\" title=\"News\" target=\"_blank\" rel=\"noopener\">news<\/a>\/2022-07-siri-technologies-space.html<\/p>\n<p>                                            This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no<br \/>\n                                            part may be reproduced without the written permission. The content is provided for information purposes only.<\/p><\/div>\n<\/p><\/div>\n<p><script id=\"facebook-jssdk\" async=\"\" src=\"https:\/\/connect.facebook.net\/en_US\/sdk.js\"><\/script><\/p>\n<blockquote><p><strong><span style=\"color: #ff6600;\">If you liked the article, do not forget to share it with your friends. 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The rocket propelled two Department of Defense Space Test Program satellites into space. Credit: U.S. Space Force \/ Joshua Conti U.S. Naval&#8230;<\/p>\n","protected":false},"author":1,"featured_media":473657,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/scx2.b-cdn.net\/gfx\/news\/hires\/2022\/siri-2-to-qualify-tech.jpg","fifu_image_alt":"","footnotes":""},"categories":[16],"tags":[],"class_list":["post-473656","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sciencee"],"_links":{"self":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/473656","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/comments?post=473656"}],"version-history":[{"count":0,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/473656\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media\/473657"}],"wp:attachment":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media?parent=473656"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/categories?post=473656"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/tags?post=473656"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}