{"id":8484,"date":"2018-07-05T05:32:27","date_gmt":"2018-07-05T15:32:27","guid":{"rendered":"http:\/\/www.eaobservatory.org\/jcmt\/?p=8484"},"modified":"2018-07-05T05:43:06","modified_gmt":"2018-07-05T15:43:06","slug":"rxa3m-retires","status":"publish","type":"post","link":"https:\/\/www.eaobservatory.org\/jcmt\/2018\/07\/rxa3m-retires\/","title":{"rendered":"RxA3m Retires"},"content":{"rendered":"<p><span style=\"font-size: 12pt\">\u00a0 \u00a0 \u00a0We are only as good as the instruments we have. With this sentiment in mind, we make way for the next generation of instruments as we retire one of our long-serving heterodyne receivers, RxA3.\u00a0<\/span><\/p>\n<div>\n<div id=\"attachment_8487\" style=\"width: 138px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2018\/07\/ra3_lowres.jpg\"><img aria-describedby=\"caption-attachment-8487\" loading=\"lazy\" class=\"wp-image-8487 size-medium\" src=\"http:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2018\/07\/ra3_lowres-128x300.jpg\" alt=\"\" width=\"128\" height=\"300\" srcset=\"https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2018\/07\/ra3_lowres-128x300.jpg 128w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2018\/07\/ra3_lowres-64x150.jpg 64w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2018\/07\/ra3_lowres.jpg 292w\" sizes=\"(max-width: 128px) 100vw, 128px\" \/><\/a><p id=\"caption-attachment-8487\" class=\"wp-caption-text\">RxA3m in the receiver cabin at JCMT<\/p><\/div>\n<\/div>\n<div><\/div>\n<div><span style=\"font-size: 12pt\">\u00a0 \u00a0 \u00a0RxA3 (http:\/\/www.eaobservatory.org\/jcmt\/instrumentation\/heterodyne\/rxa\/) has been a stable source of great science for the JCMT since it was built by the Herzberg Institute of Astrophysics and delivered in 1998. It has served our JCMT user community well and the data collected from RxA3 will be utilized still for years to come.\u00a0<\/span><\/div>\n<div><\/div>\n<div>\n<div id=\"attachment_8495\" style=\"width: 210px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2018\/07\/GLT-rx-electronic-in-jcmt-cabin.jpg\"><img aria-describedby=\"caption-attachment-8495\" loading=\"lazy\" class=\"size-medium wp-image-8495\" src=\"http:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2018\/07\/GLT-rx-electronic-in-jcmt-cabin-200x300.jpg\" alt=\"\" width=\"200\" height=\"300\" srcset=\"https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2018\/07\/GLT-rx-electronic-in-jcmt-cabin-200x300.jpg 200w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2018\/07\/GLT-rx-electronic-in-jcmt-cabin-768x1152.jpg 768w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2018\/07\/GLT-rx-electronic-in-jcmt-cabin-682x1024.jpg 682w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2018\/07\/GLT-rx-electronic-in-jcmt-cabin-100x150.jpg 100w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2018\/07\/GLT-rx-electronic-in-jcmt-cabin.jpg 853w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/><\/a><p id=\"caption-attachment-8495\" class=\"wp-caption-text\">The GLT receiver installed at the JCMT when it was being tested in August 2017.<\/p><\/div>\n<\/div>\n<div><\/div>\n<div><span style=\"font-size: 12pt\">\u00a0 \u00a0 \u00a0 With the retirement of RxA3, JCMT prepares for it\u2019s replacement to arrive in January 2019 and hopes to be on sky by April 2019 in time for the next Event Horizon Telescope observing run. The replacement will be a three-receiver cryostat identical to that installed on the Greenland Telescope (GLT), and is\u00a0estimated to be able to complete observations in approximately 1\/4 of the time required by RxA3.<\/span><\/div>\n<div><\/div>\n<div style=\"text-align: right\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 -2018\/07\/05<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 \u00a0 \u00a0We are only as good as the instruments we have. With this sentiment in mind, we make way for the next generation of instruments as we retire one of our long-serving heterodyne receivers, RxA3.\u00a0 \u00a0 \u00a0 \u00a0RxA3 (http:\/\/www.eaobservatory.org\/jcmt\/instrumentation\/heterodyne\/rxa\/) has been a stable source of great science for the\u2026 <a class=\"continue-reading-link\" href=\"https:\/\/www.eaobservatory.org\/jcmt\/2018\/07\/rxa3m-retires\/\">Continue reading<\/a><\/p>\n","protected":false},"author":19,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[16],"tags":[],"_links":{"self":[{"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/posts\/8484"}],"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\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/comments?post=8484"}],"version-history":[{"count":11,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/posts\/8484\/revisions"}],"predecessor-version":[{"id":8497,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/posts\/8484\/revisions\/8497"}],"wp:attachment":[{"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/media?parent=8484"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/categories?post=8484"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/tags?post=8484"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}