{"id":11640,"date":"2020-12-28T17:20:54","date_gmt":"2020-12-29T03:20:54","guid":{"rendered":"http:\/\/www.eaobservatory.org\/jcmt\/?p=11640"},"modified":"2020-12-29T10:55:14","modified_gmt":"2020-12-29T20:55:14","slug":"acsis-software-update-to-track-per-subsystem","status":"publish","type":"post","link":"https:\/\/www.eaobservatory.org\/jcmt\/2020\/12\/acsis-software-update-to-track-per-subsystem\/","title":{"rendered":"ACSIS software update to track per-subsystem"},"content":{"rendered":"<p style=\"text-align: justify\">On 20201202 we updated our ACSIS software. In the past all receptors would be written our to raw files on a per-observation basis. For the N\u0101makanui insert `\u016a`\u016b this meant that for each observation a minimum of two files would be produced, one for LSB and one for USB, each containing 4 receptors: NU0L, NU0U, NU1L, NU1U. This led to writing out blank data. Below is a quick reminder of <a href=\"https:\/\/www.eaobservatory.org\/jcmt\/instrumentation\/heterodyne\/namakanui\/\">N\u0101makanui<\/a> receptor naming convention:<\/p>\n<ul>\n<li>N= Instrument: N\u0101makanui<\/li>\n<li>U = Insert: `\u016a`\u016b<\/li>\n<li>0\/1 = Polarization: 0\/1<\/li>\n<li>L\/U = Side-band: LSB\/USB<\/li>\n<\/ul>\n<p style=\"text-align: justify\">The ACSIS software update now keeps track of working receptors per-subsystem (spectral window) instead of per-observation, and thus does not write blank data to the .sdf output files for non-contributing receptors. This is mostly for the sake of N\u0101makanui, but will also affect <a href=\"https:\/\/www.eaobservatory.org\/jcmt\/instrumentation\/heterodyne\/harp\/\">HARP<\/a> regarding the order the receptors appear in the output files. Thus if you look at raw <a href=\"https:\/\/www.eaobservatory.org\/jcmt\/instrumentation\/heterodyne\/namakanui\/uu-230ghz\/\">`\u016a`\u016b<\/a>\u00a0 data files taken before the change you will see blank data.<\/p>\n<div id=\"attachment_11645\" style=\"width: 610px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2020\/12\/acsis-software-uu-naming-data-pre-20201202.jpg\"><img aria-describedby=\"caption-attachment-11645\" loading=\"lazy\" class=\"wp-image-11645\" src=\"http:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2020\/12\/acsis-software-uu-naming-data-pre-20201202-300x183.jpg\" alt=\"\" width=\"600\" height=\"366\" srcset=\"https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2020\/12\/acsis-software-uu-naming-data-pre-20201202-300x183.jpg 300w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2020\/12\/acsis-software-uu-naming-data-pre-20201202-1024x625.jpg 1024w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2020\/12\/acsis-software-uu-naming-data-pre-20201202-768x469.jpg 768w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2020\/12\/acsis-software-uu-naming-data-pre-20201202-150x92.jpg 150w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2020\/12\/acsis-software-uu-naming-data-pre-20201202.jpg 1364w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><p id=\"caption-attachment-11645\" class=\"wp-caption-text\">Raw N\u0101makanui data inspected in GAIA before the ACSIS software update (pre-20201202). Left: USB data only is contained in the file inspected but all four receptors are assigned pixels. Right: LSB data only is contained in the file inspected but all four receptors are assigned pixels. Note the blank data.<\/p><\/div>\n<div id=\"attachment_11644\" style=\"width: 610px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2020\/12\/acsis-software-uu-naming-data-post-20201202.png\"><img aria-describedby=\"caption-attachment-11644\" loading=\"lazy\" class=\"wp-image-11644\" src=\"http:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2020\/12\/acsis-software-uu-naming-data-post-20201202-300x157.png\" alt=\"\" width=\"600\" height=\"314\" srcset=\"https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2020\/12\/acsis-software-uu-naming-data-post-20201202-300x157.png 300w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2020\/12\/acsis-software-uu-naming-data-post-20201202-1024x537.png 1024w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2020\/12\/acsis-software-uu-naming-data-post-20201202-768x402.png 768w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2020\/12\/acsis-software-uu-naming-data-post-20201202-1536x805.png 1536w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2020\/12\/acsis-software-uu-naming-data-post-20201202-150x79.png 150w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2020\/12\/acsis-software-uu-naming-data-post-20201202.png 1540w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><p id=\"caption-attachment-11644\" class=\"wp-caption-text\">Raw N\u0101makanui data inspected in GAIA after the ACSIS software update (post-20201202). Left: USB data only is contained in the file inspected. Right: LSB data only is contained in the file inspected.<\/p><\/div>\n<p>More information regarding the fits-headers that track receptors used can be found <a href=\"https:\/\/www.eaobservatory.org\/jcmt\/instrumentation\/heterodyne\/data-reduction\/reducing-acsis-data\/#Namakanui_Receptors_8211_fitsheaders\">here<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On 20201202 we updated our ACSIS software. In the past all receptors would be written our to raw files on a per-observation basis. For the N\u0101makanui insert `\u016a`\u016b this meant that for each observation a minimum of two files would be produced, one for LSB and one for USB, each\u2026 <a class=\"continue-reading-link\" href=\"https:\/\/www.eaobservatory.org\/jcmt\/2020\/12\/acsis-software-update-to-track-per-subsystem\/\">Continue reading<\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[36],"tags":[43,44,45],"_links":{"self":[{"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/posts\/11640"}],"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\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/comments?post=11640"}],"version-history":[{"count":16,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/posts\/11640\/revisions"}],"predecessor-version":[{"id":11660,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/posts\/11640\/revisions\/11660"}],"wp:attachment":[{"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/media?parent=11640"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/categories?post=11640"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/tags?post=11640"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}