{"id":12693,"date":"2022-11-09T20:57:28","date_gmt":"2022-11-10T06:57:28","guid":{"rendered":"https:\/\/www.eaobservatory.org\/jcmt\/?p=12693"},"modified":"2022-11-10T12:41:54","modified_gmt":"2022-11-10T22:41:54","slug":"first-light-with-alaihi","status":"publish","type":"post","link":"https:\/\/www.eaobservatory.org\/jcmt\/2022\/11\/first-light-with-alaihi\/","title":{"rendered":"First Light with new JCMT receiver `Ala`ihi"},"content":{"rendered":"<p>G34.3 is an Ultracompact HII region that has an associated molecular cloud. This was the target for the JCMT&#8217;s first light image taken with the\u00a0<a href=\"https:\/\/www.eaobservatory.org\/jcmt\/instrumentation\/heterodyne\/namakanui\/\">N\u0101makanui<\/a>* insert `Ala`ihi. `Ala`ihi is unique at the JCMT in that is is a new frequency range for JCMT, operating between 77.0\u201388.5GHz. `Ala`ihi&#8217;s primary function at the JCMT will be for use with VLBI observations (and is a dual polarization, 1-sideband mixer).<\/p>\n<p>This first light image taken of G34.3 in HCO+ (1-0) at 89.2GHz was obtained on the night of November 9th (20221110 UT).<\/p>\n<p><a href=\"http:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2022\/11\/ga20221110_10_1_rimg.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-12694\" src=\"http:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2022\/11\/ga20221110_10_1_rimg-300x247.png\" alt=\"\" width=\"300\" height=\"247\" srcset=\"https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2022\/11\/ga20221110_10_1_rimg-300x247.png 300w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2022\/11\/ga20221110_10_1_rimg-1024x842.png 1024w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2022\/11\/ga20221110_10_1_rimg-768x631.png 768w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2022\/11\/ga20221110_10_1_rimg-1536x1262.png 1536w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2022\/11\/ga20221110_10_1_rimg-150x123.png 150w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2022\/11\/ga20221110_10_1_rimg.png 1594w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2022\/11\/ga20221110_10_1_rsp.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-12695\" src=\"http:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2022\/11\/ga20221110_10_1_rsp-300x244.png\" alt=\"\" width=\"300\" height=\"244\" srcset=\"https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2022\/11\/ga20221110_10_1_rsp-300x244.png 300w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2022\/11\/ga20221110_10_1_rsp-1024x831.png 1024w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2022\/11\/ga20221110_10_1_rsp-768x624.png 768w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2022\/11\/ga20221110_10_1_rsp-1536x1247.png 1536w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2022\/11\/ga20221110_10_1_rsp-150x122.png 150w, https:\/\/www.eaobservatory.org\/jcmt\/wp-content\/uploads\/sites\/2\/2022\/11\/ga20221110_10_1_rsp.png 1638w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>These data were eagerly anticipated by observatory staff who are currently preparing for the first observations for JCMT as part of the <a href=\"https:\/\/ui.adsabs.harvard.edu\/abs\/2016ASPC..502...81W\/abstract\">East Asian VLBI Network (EAVN)<\/a> later this month.<\/p>\n<p>&nbsp;<\/p>\n<p>*<em><a href=\"https:\/\/www.nature.com\/articles\/s41550-021-01324-0.epdf?sharing_token=BBFSasla_iD3SXrgbSBGfdRgN0jAjWel9jnR3ZoTv0PGI-8OJKTWXPASeyM3BA4u6vsIvtJOzTl-CJE_UgE4YDTPQlAxA7jbP5jBDG4euZjjRtXI_uwMCdZfplciHGYBdvzeMKNZ1BLbA7x7nVt7i0ydcNC0Q9fB5P9h9PWfIec%3D\">N\u0101makanui<\/a> (an 86, 230 and 345 GHz instrument) was built by a team at <a href=\"http:\/\/www.asiaa.sinica.edu.tw\/\">ASIAA<\/a> (Taiwan) and is on loan the to the JCMT as a spare for the <a href=\"https:\/\/www.cfa.harvard.edu\/greenland12m\/instrument\/\">GLT<\/a>.\u00a0<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>G34.3 is an Ultracompact HII region that has an associated molecular cloud. This was the target for the JCMT&#8217;s first light image taken with the\u00a0N\u0101makanui* insert `Ala`ihi. `Ala`ihi is unique at the JCMT in that is is a new frequency range for JCMT, operating between 77.0\u201388.5GHz. `Ala`ihi&#8217;s primary function at\u2026 <a class=\"continue-reading-link\" href=\"https:\/\/www.eaobservatory.org\/jcmt\/2022\/11\/first-light-with-alaihi\/\">Continue reading<\/a><\/p>\n","protected":false},"author":83,"featured_media":12695,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[16,31],"tags":[],"_links":{"self":[{"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/posts\/12693"}],"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\/83"}],"replies":[{"embeddable":true,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/comments?post=12693"}],"version-history":[{"count":9,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/posts\/12693\/revisions"}],"predecessor-version":[{"id":12704,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/posts\/12693\/revisions\/12704"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/media\/12695"}],"wp:attachment":[{"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/media?parent=12693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/categories?post=12693"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/tags?post=12693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}