{"id":10868,"date":"2020-12-07T10:02:29","date_gmt":"2020-12-07T10:02:29","guid":{"rendered":"https:\/\/riastronomia.es\/megastar-biblioteca-estelar-creada-con-observaciones-de-megara-gtc\/"},"modified":"2022-05-14T18:55:22","modified_gmt":"2022-05-14T18:55:22","slug":"megastar-biblioteca-estelar-creada-con-observaciones-de-megara-gtc","status":"publish","type":"post","link":"https:\/\/riastronomia.es\/en\/megastar-biblioteca-estelar-creada-con-observaciones-de-megara-gtc\/","title":{"rendered":"MEGASTAR: MEGARA-GTC Stellar Spectral Library"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\"><div class=\"fusion-text fusion-text-1\"><p>MEGARA (Multi Espectr\u00f3grafo en GTC de Alta Resoluci\u00f3n para Astronom\u00eda) is an optical (3650 &#8211; 9750\u212b), fibre-fed, medium-high spectral resolution (R = 6000, 12000, 20000) instrument for the GTC 10.4m telescope, in operation since July 2018. The scientific exploitation of MEGARA demands a stellar-spectra library to interpret galaxy data and to estimate the contribution of the stellar populations. To date, there is no complete library, either empirical or theoretical, able to fulfill the MEGARA parameters. The motivation of this project is to obtain a stellar spectral atlas for MEGARA, focused on the highest resolution setups. The spectra have R ~ 20000 in the HR-R and HR-I setups, centred at 6563 and 8633 \u212b respectively. The data will become available to the community through different releases that can be download <a class=\"atext\" href=\"https:\/\/www.fractal-es.com\/megaragtc-stellarlibrary\/private\/download\" target=\"_blank\" rel=\"noopener noreferrer\">here<\/a>.<\/p>\n<p>The on-going GTC Open-Time program provides the data through filler-type observations in telescope scratch time. The proposals from which we have received granted GTC filler-type time for this program are: GTC22-18B, GTC37-19A, GTC33-19B and GTC19-20A.<\/p>\n<p>Data Release DR1 already available <a class=\"atext\" href=\"https:\/\/www.fractal-es.com\/megaragtc-stellarlibrary\/private\/download\" target=\"_blank\" rel=\"noopener noreferrer\">here<\/a>.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div>\n ","protected":false},"excerpt":{"rendered":"","protected":false},"author":5,"featured_media":12476,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[106],"tags":[],"class_list":["post-10868","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-archive-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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La RIA se crea por encargo de la Secretar\u00eda General de Pol\u00edtica Cient\u00edfica y Tecnol\u00f3gica del Ministerio de Ciencia e Innovaci\u00f3n a la Comisi\u00f3n Nacional de Astronom\u00eda, de la que la RIA es un grupo de trabajo.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/riastronomia.es\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/riastronomia.es\\\/#\\\/schema\\\/person\\\/95f4db4abd98c105134e7389ac616d51\",\"name\":\"Ester Calle\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/4a0c18ce8df66002b70d0616ad207bcbb04c8b5bca493e1dc2d244791d6e71a2?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/4a0c18ce8df66002b70d0616ad207bcbb04c8b5bca493e1dc2d244791d6e71a2?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/4a0c18ce8df66002b70d0616ad207bcbb04c8b5bca493e1dc2d244791d6e71a2?s=96&d=mm&r=g\",\"caption\":\"Ester Calle\"},\"url\":\"https:\\\/\\\/riastronomia.es\\\/en\\\/author\\\/ester\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"MEGASTAR: MEGARA-GTC Stellar Spectral Library - 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