{"id":213,"date":"2015-07-06T15:56:06","date_gmt":"2015-07-06T15:56:06","guid":{"rendered":"https:\/\/sites.krieger.jhu.edu\/idg\/?page_id=213"},"modified":"2025-02-11T20:03:50","modified_gmt":"2025-02-11T20:03:50","slug":"robert-stobie-spectrograph-rss-near-infrared-dewar","status":"publish","type":"page","link":"https:\/\/sites.krieger.jhu.edu\/idg\/instrumentation\/ground-based-astronomy\/robert-stobie-spectrograph-rss-near-infrared-dewar\/","title":{"rendered":"Robert Stobie Spectrograph (RSS) Near Infrared Dewar"},"content":{"rendered":"\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"615\" height=\"711\" src=\"https:\/\/sites.krieger.jhu.edu\/idg\/files\/2015\/07\/RSS1.jpg\" alt=\"RSS1\" class=\"wp-image-416 size-full\" srcset=\"https:\/\/sites.krieger.jhu.edu\/idg\/files\/2015\/07\/RSS1.jpg 615w, https:\/\/sites.krieger.jhu.edu\/idg\/files\/2015\/07\/RSS1-259x300.jpg 259w\" sizes=\"auto, (max-width: 615px) 100vw, 615px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p>The Robert Stobie Spectrograph (RSS) is a dual-beam Visible\/Near-IR spectrograph that uses Volume Phase Holographic (VPH) gratings to achieve high throughput from 320 nm to about 1.7 microns.<\/p>\n\n\n\n<p>The visible beam (RSS-VIS, K. Nordsieck, PI) covers 320 to 900 nm with spectroscopic resolution R = 500 to 10000.<br>The near infra-red beam (RSS-NIR, M. Wolf, PI) covers 0.9 to 1.7 microns at R = 1200 to 7000.<\/p>\n\n\n\n<p>The two beams can be used simultaneously to achieve spectral coverage over the full spectral range of 320 nm to 1.7 microns. Each beam supports long-slit and multi-object spectroscopy, Fabry-Perot imaging spectroscopy, and spectropolarimetry. The visible beam supports high-speed spectroscopic modes as well.<\/p>\n\n\n\n<p>With simultaneous spectral coverage from the UV (25% throughput at 320 nm) out to 1.7 microns in the IR, the RSS is unique among or superior to existing 8-10m telescopes in the UV, in medium resolution spectroscopy, in Fabry-Perot spectroscopy, and in spectropolarimetry.<\/p>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"https:\/\/sites.krieger.jhu.edu\/idg\/files\/2015\/07\/RSS2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"410\" height=\"560\" src=\"https:\/\/sites.krieger.jhu.edu\/idg\/files\/2015\/07\/RSS2.png\" alt=\"RSS2\" class=\"wp-image-417\" srcset=\"https:\/\/sites.krieger.jhu.edu\/idg\/files\/2015\/07\/RSS2.png 410w, https:\/\/sites.krieger.jhu.edu\/idg\/files\/2015\/07\/RSS2-220x300.png 220w\" sizes=\"auto, (max-width: 410px) 100vw, 410px\" \/><\/a><\/figure>\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>The Robert Stobie Spectrograph (RSS) is a dual-beam Visible\/Near-IR spectrograph that uses Volume Phase Holographic (VPH) gratings to achieve high throughput from 320 nm to about 1.7 microns. The visible beam (RSS-VIS, K. Nordsieck, PI) covers 320 to 900 nm with spectroscopic resolution R = 500 to 10000.The near infra-red beam (RSS-NIR, M. Wolf, PI) [&hellip;]<\/p>\n","protected":false},"author":47,"featured_media":0,"parent":6,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-213","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sites.krieger.jhu.edu\/idg\/wp-json\/wp\/v2\/pages\/213","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.krieger.jhu.edu\/idg\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sites.krieger.jhu.edu\/idg\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sites.krieger.jhu.edu\/idg\/wp-json\/wp\/v2\/users\/47"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.krieger.jhu.edu\/idg\/wp-json\/wp\/v2\/comments?post=213"}],"version-history":[{"count":4,"href":"https:\/\/sites.krieger.jhu.edu\/idg\/wp-json\/wp\/v2\/pages\/213\/revisions"}],"predecessor-version":[{"id":899,"href":"https:\/\/sites.krieger.jhu.edu\/idg\/wp-json\/wp\/v2\/pages\/213\/revisions\/899"}],"up":[{"embeddable":true,"href":"https:\/\/sites.krieger.jhu.edu\/idg\/wp-json\/wp\/v2\/pages\/6"}],"wp:attachment":[{"href":"https:\/\/sites.krieger.jhu.edu\/idg\/wp-json\/wp\/v2\/media?parent=213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}