{"id":294582,"date":"2017-03-29T04:06:42","date_gmt":"2017-03-29T08:06:42","guid":{"rendered":"https:\/\/ntrs.nasa.gov\/search.jsp?R=20170002484"},"modified":"2017-03-29T04:06:42","modified_gmt":"2017-03-29T08:06:42","slug":"alma-observations-of-hcn-and-its-isotopologues-on-titan","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=294582","title":{"rendered":"Alma Observations of HCN and its Isotopologues on Titan"},"content":{"rendered":"<p>Abstract: We present sub-millimeter spectra of HCN isotopologues on Titan, derived from publicly available ALMA flux calibration observations of Titan taken in early 2014. We report the detection of a new HCN isotopologue on Titan, H13C15N, and confirm an earlier report of detection of DCN. We model high signal-to-noise observations of HCN, H13CN, HC15N, DCN, and H13C15N to derive abundances and infer the following isotopic ratios: 12C\/13C = 89.8 +\/- 2.8, 14N\/15N = 72.3 +\/- 2.2, D\/H = (2.5 +\/- 0.2) \u00d7 1&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract: We present sub-millimeter spectra of HCN isotopologues on Titan, derived from publicly available ALMA flux calibration observations of Titan taken in early 2014. We report the detection of a new HCN isotopologue on Titan, H13C15N, and confirm an earlier report of detection of DCN. We model high signal-to-noise observations of HCN, H13CN, HC15N, DCN, and H13C15N to derive abundances and infer the following isotopic ratios: 12C\/13C = 89.8 +\/- 2.8, 14N\/15N = 72.3 +\/- 2.2, D\/H = (2.5 +\/- 0.2) &times; 1&#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-294582","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/294582","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=294582"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/294582\/revisions"}],"predecessor-version":[{"id":294583,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/294582\/revisions\/294583"}],"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=294582"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=294582"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=294582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}