{"id":5477,"date":"2026-01-27T19:35:57","date_gmt":"2026-01-27T18:35:57","guid":{"rendered":"https:\/\/stel.asu.cas.cz\/en\/?page_id=5477"},"modified":"2026-01-28T13:39:27","modified_gmt":"2026-01-28T12:39:27","slug":"platospec-spectrograph","status":"publish","type":"page","link":"https:\/\/stel.asu.cas.cz\/en\/telescope-e152\/platospec-spectrograph\/","title":{"rendered":"PlatoSpec Spectrograph"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"428\" src=\"https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/platospec-1736328346925-1024x428.jpg\" alt=\"\" class=\"wp-image-5499\" srcset=\"https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/platospec-1736328346925-1024x428.jpg 1024w, https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/platospec-1736328346925-300x125.jpg 300w, https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/platospec-1736328346925-768x321.jpg 768w, https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/platospec-1736328346925-18x8.jpg 18w, https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/platospec-1736328346925-24x10.jpg 24w, https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/platospec-1736328346925-36x15.jpg 36w, https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/platospec-1736328346925.jpg 1077w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p id=\"block-1d9b6c49-d67a-4831-909c-caedccb0cc94\">PlatoSpec is a fiber-fed echelle spectrograph with simultaneous spectra calibration optimized for better sensitivity in the blue wavelength range to enable monitoring in the Ca H&amp;K spectral lines for studying exoplanets and stellar activity.<\/p>\n\n\n\n<p id=\"block-3723647b-d874-4a9b-a9ac-99b6e701d5cf\">PLATOSpec was commissioned on November 26, 2024, and is powered by the E152 telescope (ESO 1.52-m Telescope) operating at the ESO La Silla Observatory in Chile. The spectrograph is currently in the scientific verification phase.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"block-b200ed6d-25bf-4d86-82ac-eef020176cbe\">PlatoSpec Main Parameters<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Wavelength coverage  <\/td><td>360-680 nm<\/td><\/tr><tr><td>Spectral resolution<\/td><td>70 000<\/td><\/tr><tr><td>Temperature stability<\/td><td>0,1 \u00b0C<\/td><\/tr><tr><td>Radial Velocity (RV) precision<\/td><td>3 m\/s<\/td><\/tr><tr><td>Kalibration<\/td><td>simultaneous Th-Ar + Iodine cell<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p id=\"block-11c781ef-0d94-408f-9ab3-c596e6ed49b6\">The PlatoSpec spectrograph is equipped with an ANDOR i-Kon L CCD camera with 2k resolution (2048&#215;2048), cooled by a multi-stage Peltier cell and coolant circulation, which allows the chip to be operating at temperature of -80 \u00b0C.<\/p>\n\n\n\n<p>Data from the spectrograph are processed automatically with regard to accurate measurements of radial velocities (RV). The processing pipeline is based on the CERES package (R. Brahm et al. 2016, <a href=\"https:\/\/arxiv.org\/abs\/1609.02279\">link<\/a>).<\/p>\n\n\n\n<p><strong>PlatoSpec spectra samples (raw files export only)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><a href=\"https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/PS-flat2.jpg\" data-type=\"link\" data-id=\"https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/PS-flat2.jpg\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/PS-flat2.jpg\" alt=\"\"><\/a><\/td><td><a href=\"https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/PS-comp-m.jpg\" data-type=\"link\" data-id=\"https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/PS-comp-m.jpg\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/PS-comp-m.jpg\" alt=\"\"><\/a><\/td><td><a href=\"https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/PS-10700-m.jpg\" data-type=\"link\" data-id=\"https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/PS-10700-m.jpg\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/PS-10700-m.jpg\" alt=\"\"><\/a><\/td><td><a href=\"https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/ds9-v572-vel-s.jpg\" data-type=\"link\" data-id=\"https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/ds9-v572-vel-s.jpg\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/stel.asu.cas.cz\/en\/wp-content\/uploads\/2026\/01\/ds9-v572-vel-s.jpg\" alt=\"\"><\/a><\/td><\/tr><tr><td>flat (both fibers)<\/td><td>comp (both fibers) <\/td><td>RVstd HD10700 +simcal<\/td><td>Nova V572 Vel +simcal<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PlatoSpec is a fiber-fed echelle spectrograph with simultaneous spectra calibration optimized for better sensitivity in the blue wavelength range to enable monitoring in the Ca<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":5474,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-5477","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/stel.asu.cas.cz\/en\/wp-json\/wp\/v2\/pages\/5477","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stel.asu.cas.cz\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/stel.asu.cas.cz\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/en\/wp-json\/wp\/v2\/comments?post=5477"}],"version-history":[{"count":9,"href":"https:\/\/stel.asu.cas.cz\/en\/wp-json\/wp\/v2\/pages\/5477\/revisions"}],"predecessor-version":[{"id":5529,"href":"https:\/\/stel.asu.cas.cz\/en\/wp-json\/wp\/v2\/pages\/5477\/revisions\/5529"}],"up":[{"embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/en\/wp-json\/wp\/v2\/pages\/5474"}],"wp:attachment":[{"href":"https:\/\/stel.asu.cas.cz\/en\/wp-json\/wp\/v2\/media?parent=5477"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}