{"id":23936,"date":"2020-06-24T07:21:46","date_gmt":"2020-06-24T07:21:46","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=23936"},"modified":"2020-06-24T07:21:48","modified_gmt":"2020-06-24T07:21:48","slug":"the-study-of-optical-properties-of-super-massive-black-hole","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/the-study-of-optical-properties-of-super-massive-black-hole\/","title":{"rendered":"The study of optical properties of super-massive black-hole"},"content":{"rendered":"\n<p>Through 153 nights, 17 scientists from 9 countries in Europe and Asia including researchers from Aryabhatta Research Institute of Observational Sciences (ARIES), Nainital took 2263 image frames and observed the changes in a very high energy gamma-ray emitting blazar \u20181ES 0806+524\u2019 using seven optical telescopes in Europe and Asia.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.gkseries.com\/blog\/current-affairs-quiz-2019-daily-gk\/\" target=\"_blank\" aria-label=\"undefined (opens in a new tab)\" rel=\"noreferrer noopener nofollow\"><strong>Daily Current Affairs Quiz 2020<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Key-Points<\/h2>\n\n\n\n<p>A blazar is a feeding super-massive black-hole (SMBH) in the heart of a distant galaxy that produces a high-energy jet viewed face-on from Earth.<\/p>\n\n\n\n<p>Blazars are one of the most luminous and energetic objects in the known universe with a jet composed of ionized matter traveling at nearly the speed of light directed very nearly towards an observer.<\/p>\n\n\n\n<p>The team studied in great details 1ES 0806+524\u2019 flux, color, and spectral index variations within a day and long timescales of the blazer and explained the mechanism behind the variations.<\/p>\n\n\n\n<p>Blazars are among one of the most favourite astronomical transient objects because they emit radiation in the complete EM spectrum, and their flux and polarization are highly variable.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Aryabhatta Research Institute of Observational Sciences<\/h2>\n\n\n\n<p>Aryabhatta Research Institute of Observational Sciences (ARIES) is a leading research institute in Nainital, Uttarakhand which specializes in Astronomy, Astrophysics and Atmospheric Sciences.<\/p>\n\n\n\n<p>It is an autonomous body under the Department of Science and Technology (DST), Government of India, the institute is situated at Manora Peak about 9 km from Nainital, a popular hill station.<\/p>\n\n\n\n<p>The institute was started on 20 April 1954 under the supervision of Dr.A.N.Singh as Uttar Pradesh State Observatory (UPSO) in the premises of the Govt. Sanskrit College.<\/p>\n\n\n\n<p>The Institute has in-house workshops to meet the requirements of electronic, mechanical, and optical maintenance of the instruments.<\/p>\n\n\n\n<p>ARIES has a modern computer center with internet facility and a well maintained library with more than 10,000 volumes of research journals and an excellent collection of books on Astronomy &amp; Astrophysics and Atmospheric Sciences.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Black Hole<\/h2>\n\n\n\n<p>It is a great amount of matter packed into a very small area.<\/p>\n\n\n\n<p>The result is a gravitational field so strong that nothing, not even light, can escape.<\/p>\n\n\n\n<p>A black hole is a region of spacetime where gravity is so strong that nothing\u2014no particles or even electromagnetic radiation such as light\u2014can escape from it.<\/p>\n\n\n\n<p>They were predicted by Einstein&#8217;s theory of general relativity.The theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Through 153 nights, 17 scientists from 9 countries in Europe and Asia including researchers from Aryabhatta Research Institute of Observational Sciences (ARIES), Nainital took 2263 image frames and observed the changes in a very high energy gamma-ray emitting blazar \u20181ES 0806+524\u2019 using seven optical telescopes in Europe and Asia. Daily Current Affairs Quiz 2020 Key-Points [&hellip;]<\/p>\n","protected":false},"author":404,"featured_media":23937,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[870],"tags":[868],"class_list":["post-23936","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-current-affairs-2020","tag-space-current-affairs"],"_links":{"self":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/23936","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/users\/404"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/comments?post=23936"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/23936\/revisions"}],"predecessor-version":[{"id":23938,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/23936\/revisions\/23938"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/23937"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=23936"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=23936"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=23936"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}