{"id":580527,"date":"2019-02-06T13:10:44","date_gmt":"2019-02-06T17:10:44","guid":{"rendered":"https:\/\/ntrs.nasa.gov\/search.jsp?R=20190000400"},"modified":"2019-02-06T13:10:44","modified_gmt":"2019-02-06T17:10:44","slug":"improved-reference-sampling-and-subtraction-a-technique-for-reducing-the-read-noise-of-near-infrared-detector-systems","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=580527","title":{"rendered":"Improved Reference Sampling and Subtraction: A Technique for Reducing the Read Noise of Near-Infrared Detector Systems"},"content":{"rendered":"<p>Abstract: Near-infrared array detectors, like the James Webb Space Telescope (JWST) NIRSpec&#8217;s Teledyne&#8217;s H2RGs, often provide reference pixels and a reference output. These are used to remove correlated noise. Improved reference sampling and subtraction (IRS(exp 2)) is a statistical technique for using this reference information optimally in a leastsquares sense. Compared with the traditional H2RG readout, IRS(exp 2) uses a different clocking pattern to interleave many more reference pixels into the da&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract: Near-infrared array detectors, like the James Webb Space Telescope (JWST) NIRSpec&#8217;s Teledyne&#8217;s H2RGs, often provide reference pixels and a reference output. These are used to remove correlated noise. Improved reference sampling and subtractio&#8230;<\/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-580527","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/580527","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=580527"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/580527\/revisions"}],"predecessor-version":[{"id":580528,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/580527\/revisions\/580528"}],"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=580527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=580527"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=580527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}