{"id":12297,"date":"2021-10-26T17:39:26","date_gmt":"2021-10-27T03:39:26","guid":{"rendered":"http:\/\/www.eaobservatory.org\/jcmt\/?p=12297"},"modified":"2021-10-26T17:39:26","modified_gmt":"2021-10-27T03:39:26","slug":"stardev-matched-filter-update","status":"publish","type":"post","link":"https:\/\/www.eaobservatory.org\/jcmt\/2021\/10\/stardev-matched-filter-update\/","title":{"rendered":"Stardev Matched Filter Update"},"content":{"rendered":"<p>On July 1st, 2021 the two-component SCUBA-2 beam profile parameters were updated in accordance with the results published by <a href=\"https:\/\/ui.adsabs.harvard.edu\/abs\/2021AJ....162..191M\/abstract\">Mairs et al 2021<\/a>. This caused a change in the Matched Filter post-processing.<\/p>\n<p>When using a Stardev installation post-July 1st, 2021, executing the matched-filter method is expected to increase the measured peak fluxes of bright point sources by ~15% relative to older versions of Starlink. A similar factor may apply to faint point sources in otherwise \u201cblank fields\u201d but this requires further testing.<\/p>\n<p>See this <a href=\"https:\/\/www.eaobservatory.org\/jcmt\/2021\/10\/12285\/\">software blog post<\/a> for more details!<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-12289\" src=\"http:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFluxNewMF_vs_PeakFlux_MF_450_2016_2017_transcolour_translim_0.0278-1.png\" alt=\"\" width=\"1920\" height=\"1440\" srcset=\"https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFluxNewMF_vs_PeakFlux_MF_450_2016_2017_transcolour_translim_0.0278-1.png 1920w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFluxNewMF_vs_PeakFlux_MF_450_2016_2017_transcolour_translim_0.0278-1-300x225.png 300w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFluxNewMF_vs_PeakFlux_MF_450_2016_2017_transcolour_translim_0.0278-1-1024x768.png 1024w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFluxNewMF_vs_PeakFlux_MF_450_2016_2017_transcolour_translim_0.0278-1-768x576.png 768w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFluxNewMF_vs_PeakFlux_MF_450_2016_2017_transcolour_translim_0.0278-1-1536x1152.png 1536w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFluxNewMF_vs_PeakFlux_MF_450_2016_2017_transcolour_translim_0.0278-1-150x113.png 150w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/> <img loading=\"lazy\" class=\"aligncenter size-full wp-image-12290\" src=\"http:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_dividedby_PeakFlux_NewMF_hist_450_2016_2017_translim_0.0278-1.png\" alt=\"\" width=\"1920\" height=\"1440\" srcset=\"https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_dividedby_PeakFlux_NewMF_hist_450_2016_2017_translim_0.0278-1.png 1920w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_dividedby_PeakFlux_NewMF_hist_450_2016_2017_translim_0.0278-1-300x225.png 300w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_dividedby_PeakFlux_NewMF_hist_450_2016_2017_translim_0.0278-1-1024x768.png 1024w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_dividedby_PeakFlux_NewMF_hist_450_2016_2017_translim_0.0278-1-768x576.png 768w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_dividedby_PeakFlux_NewMF_hist_450_2016_2017_translim_0.0278-1-1536x1152.png 1536w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_dividedby_PeakFlux_NewMF_hist_450_2016_2017_translim_0.0278-1-150x113.png 150w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/>\u00a0 <img loading=\"lazy\" class=\"aligncenter size-full wp-image-12292\" src=\"http:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_scatter_850_2016_2017_transcolour_translim_0.3303-1.png\" alt=\"\" width=\"1920\" height=\"1440\" srcset=\"https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_scatter_850_2016_2017_transcolour_translim_0.3303-1.png 1920w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_scatter_850_2016_2017_transcolour_translim_0.3303-1-300x225.png 300w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_scatter_850_2016_2017_transcolour_translim_0.3303-1-1024x768.png 1024w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_scatter_850_2016_2017_transcolour_translim_0.3303-1-768x576.png 768w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_scatter_850_2016_2017_transcolour_translim_0.3303-1-1536x1152.png 1536w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_scatter_850_2016_2017_transcolour_translim_0.3303-1-150x113.png 150w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><img loading=\"lazy\" class=\"aligncenter size-full wp-image-12291\" src=\"http:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_dividedby_hist_850_2016_2017_translim_0.3303-1.png\" alt=\"\" width=\"1920\" height=\"1440\" srcset=\"https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_dividedby_hist_850_2016_2017_translim_0.3303-1.png 1920w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_dividedby_hist_850_2016_2017_translim_0.3303-1-300x225.png 300w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_dividedby_hist_850_2016_2017_translim_0.3303-1-1024x768.png 1024w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_dividedby_hist_850_2016_2017_translim_0.3303-1-768x576.png 768w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_dividedby_hist_850_2016_2017_translim_0.3303-1-1536x1152.png 1536w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2021\/10\/PeakFlux_MF_dividedby_hist_850_2016_2017_translim_0.3303-1-150x113.png 150w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On July 1st, 2021 the two-component SCUBA-2 beam profile parameters were updated in accordance with the results published by Mairs et al 2021. This caused a change in the Matched Filter post-processing. When using a Stardev installation post-July 1st, 2021, executing the matched-filter method is expected to increase the measured\u2026 <a class=\"continue-reading-link\" href=\"https:\/\/www.eaobservatory.org\/jcmt\/2021\/10\/stardev-matched-filter-update\/\">Continue reading<\/a><\/p>\n","protected":false},"author":62,"featured_media":12271,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[52,46,53,24],"_links":{"self":[{"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/posts\/12297"}],"collection":[{"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/users\/62"}],"replies":[{"embeddable":true,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/comments?post=12297"}],"version-history":[{"count":1,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/posts\/12297\/revisions"}],"predecessor-version":[{"id":12298,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/posts\/12297\/revisions\/12298"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/media\/12271"}],"wp:attachment":[{"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/media?parent=12297"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/categories?post=12297"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/tags?post=12297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}