{"id":30097,"date":"2025-02-14T06:00:02","date_gmt":"2025-02-14T00:30:02","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=30097"},"modified":"2025-04-09T15:13:49","modified_gmt":"2025-04-09T09:43:49","slug":"paras-2-spectrograph","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/paras-2-spectrograph\/","title":{"rendered":"PARAS-2 Spectrograph"},"content":{"rendered":"<h2>PARAS-2 Spectrograph Latest News<\/h2>\n<p>Recently, scientists at Physical Research Laboratory (PRL) discovered a new dense sub Saturn exoplanet TOI-6038A b by using PARAS-2 Spectrograph at Mt Abu Telescope.<\/p>\n<h2>About PARAS-2 Spectrograph<\/h2>\n<ul>\n<li>The <strong>PRL Advanced Radial-velocity All-sky Search-2<\/strong> (PARAS-2) is a cutting-edge <strong>fiber-fed spectrograph<\/strong> integrated with the PRL 2.5m telescope, constituting a significant advancement over its predecessor.\u00a0<\/li>\n<li>It is a state-of-the-art high-resolution spectrograph that operates in <strong>380-690 nm wave-band.<\/strong> It is aimed to unveil the <strong>super-Earth-like worlds<\/strong>.<\/li>\n<li>It was conceived with the primary objective of achieving <strong>sub-m\/s precision in radial velocity (RV)<\/strong>, a crucial capability for the detection and characterization of super-Earths or massive planets orbiting <strong>G and K dwarf stars.<\/strong><\/li>\n<li>It is the <strong>highest-resolution spectrograph in Asia which <\/strong>is under an ultra-stable temperature and pressure environment.<\/li>\n<\/ul>\n<h3>What is Exoplanet?<\/h3>\n<ul>\n<li>These are <strong>planets that orbit other stars<\/strong> and are beyond our solar system.<\/li>\n<li>Exoplanets come in a host of <strong>different sizes<\/strong>. They can be gas giants bigger than Jupiter or as small and rocky as Earth.\u00a0<\/li>\n<li>They are also known to have different kinds of temperatures; boiling to cold.\n<ul>\n<li>The recently discovered sub <strong>Saturn exoplanet TOI-6038A b<\/strong> lies in the transition region between Neptune-like and gas giant exoplanets, called as \u201cSub-Saturn,\u201d a category absent in our solar system, providing a unique opportunity to study planetary formation and evolution.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>PARAS-2 Spectrograph FAQs<\/h2>\n<p><strong>Q1:<\/strong> What is a spectrograph used for?<\/p>\n<p><strong>Ans:<\/strong> A spectrograph is an instrument used to separate and measure the wavelengths present in Electromagnetic radiation and to measure the relative amounts of radiation at each wavelength.<\/p>\n<p><strong>Q2:<\/strong> What is the difference between a spectrometer and a spectrograph?<\/p>\n<p><strong>Ans:<\/strong> The two devices do basically the same job but using different technology. A spectrometer generates a spectrum by measuring the intensity of incoming light at a range of wavelengths in step by step increments. A spectrograph generates a spectrum in one go.<\/p>\n<p><strong>Q3: <\/strong>Who discovered the spectrograph?<\/p>\n<p><strong>Ans:<\/strong> William Hyde Wollaston<\/p>\n<p><strong>Source: <\/strong><a href=\"http:\/\/isro\/\" target=\"_blank\" rel=\"nofollow\">ISRO<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The PRL Advanced Radial-velocity All-sky Search-2 (PARAS-2) is a cutting-edge fiber-fed spectrograph integrated with the PRL 2.5m telescope, constituting a significant advancement over its predecessor. <\/p>\n","protected":false},"author":5,"featured_media":30098,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-30097","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/30097","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=30097"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/30097\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/30098"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=30097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=30097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=30097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}