{"id":4165,"date":"2023-02-18T17:44:02","date_gmt":"2023-02-18T17:44:02","guid":{"rendered":"https:\/\/dsrc.haifa.ac.il\/?page_id=4165"},"modified":"2023-02-18T18:01:21","modified_gmt":"2023-02-18T18:01:21","slug":"colloquium-photon-ring-autocorrelations-let-there-be-light-the-first-billion-years-of-cosmic-history-28-11-2022","status":"publish","type":"page","link":"https:\/\/dsrc.haifa.ac.il\/?page_id=4165","title":{"rendered":"Colloquium &#8211; Photon ring autocorrelations &#038; Let there be Light: The first billion years of Cosmic History, 28.11.2022"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"4165\" class=\"elementor elementor-4165\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-79b3afc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"79b3afc\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-044f112\" data-id=\"044f112\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-54ba08d elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"54ba08d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_mobile&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Photon ring autocorrelations\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cc39416 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"cc39416\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_mobile&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"mailto:shaharhadar@sci.haifa.ac.il\">Dr. Shahar Hadar<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de42e00 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"de42e00\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-0f910f8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0f910f8\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c202ba2\" data-id=\"c202ba2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c704038 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"c704038\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_mobile&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span class=\"S1PPyQ\">Black holes strongly curve light rays, and therefore in their presence light sources connect to observers along multiple paths. As a result, brightness fluctuations in black hole observations must be correlated in intricate ways. In the talk I will describe a prediction for such correlations in black hole (time-dependent) images, which are expected to become available in the next few years thanks to the next-generation Event Horizon Telescope. I will first give general background on black holes.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-2102212 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2102212\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-f007c42\" data-id=\"f007c42\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-aa43cfa elementor-invisible elementor-widget elementor-widget-image\" data-id=\"aa43cfa\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_mobile&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/02\/Shahar-Hadar-300x225.jpg\" class=\"attachment-medium size-medium wp-image-4167\" alt=\"\" srcset=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/02\/Shahar-Hadar-300x225.jpg 300w, https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/02\/Shahar-Hadar-1024x768.jpg 1024w, https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/02\/Shahar-Hadar-768x576.jpg 768w, https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/02\/Shahar-Hadar.jpg 1042w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-3a357da\" data-id=\"3a357da\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e84bf57 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"e84bf57\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_mobile&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"mailto:shaharhadar@sci.haifa.ac.il\">Dr. Shahar Hadar\n<br>\nUniversity of Haifa<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f5b5270 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"f5b5270\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_mobile&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"_04xlpA direction-ltr align-start para-style-body\"><span class=\"S1PPyQ\">I am a theoretical physicist studying gravitational physics, with a particular interest in black holes. After completing my PhD at the Hebrew University under the supervision of Prof. Barak Kol, I held postdoc positions at Cambridge UK, the Max Planck Institute for Gravitational Physics, Potsdam, and Harvard University. Last year I joined the faculty of the department of mathematics, physics, and computer science of the University of Haifa at Oranim.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-3ae4cc4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3ae4cc4\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-925f162\" data-id=\"925f162\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0164546 elementor-widget-divider--separator-type-pattern elementor-widget-divider--no-spacing elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"0164546\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\" style=\"--divider-pattern-url: url(&quot;data:image\/svg+xml,%3Csvg xmlns=&#039;http:\/\/www.w3.org\/2000\/svg&#039; preserveAspectRatio=&#039;xMidYMid meet&#039; overflow=&#039;visible&#039; height=&#039;100%&#039; viewBox=&#039;0 0 126 26&#039; fill=&#039;black&#039; stroke=&#039;none&#039;%3E%3Cpath d=&#039;M3,10.2c2.6,0,2.6,2,2.6,3.2S4.4,16.5,3,16.5s-3-1.4-3-3.2S0.4,10.2,3,10.2z M18.8,10.2c1.7,0,3.2,1.4,3.2,3.2s-1.4,3.2-3.2,3.2c-1.7,0-3.2-1.4-3.2-3.2S17,10.2,18.8,10.2z M34.6,10.2c1.5,0,2.6,1.4,2.6,3.2s-0.5,3.2-1.9,3.2c-1.5,0-3.4-1.4-3.4-3.2S33.1,10.2,34.6,10.2z M50.5,10.2c1.7,0,3.2,1.4,3.2,3.2s-1.4,3.2-3.2,3.2c-1.7,0-3.3-0.9-3.3-2.6S48.7,10.2,50.5,10.2z M66.2,10.2c1.5,0,3.4,1.4,3.4,3.2s-1.9,3.2-3.4,3.2c-1.5,0-2.6-0.4-2.6-2.1S64.8,10.2,66.2,10.2z M82.2,10.2c1.7,0.8,2.6,1.4,2.6,3.2s-0.1,3.2-1.6,3.2c-1.5,0-3.7-1.4-3.7-3.2S80.5,9.4,82.2,10.2zM98.6,10.2c1.5,0,2.6,0.4,2.6,2.1s-1.2,4.2-2.6,4.2c-1.5,0-3.7-0.4-3.7-2.1S97.1,10.2,98.6,10.2z M113.4,10.2c1.2,0,2.2,0.9,2.2,3.2s-0.1,3.2-1.3,3.2s-3.1-1.4-3.1-3.2S112.2,10.2,113.4,10.2z&#039;\/%3E%3C\/svg%3E&quot;);\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-a6d1284 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a6d1284\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-38bdc18\" data-id=\"38bdc18\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e67dc4f elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"e67dc4f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_mobile&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Let there be Light: The first billion years of Cosmic History\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-820b6eb elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"820b6eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_mobile&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"mailto:saleem@astro.rug.nl\">Prof. Saleem Zaroubi <\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a6be078 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"a6be078\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-675d5c5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"675d5c5\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e64b5ca\" data-id=\"e64b5ca\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-efe526d elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"efe526d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_mobile&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span class=\"S1PPyQ\">In this talk I will review the large effort to understand the first billion years of our cosmic history. During this period the first light-emitting objects formed. These first objects ushered the Universe into a new era and changed the early pristine Universe to the galaxy, star and planet-filled one we observe around us. This effort is multi-disciplinary in nature with contributions from astronomers, engineers and computer scientists and involved peta bites of data and computer-intensive calibration (essentially, an inversion problem).<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-f14305f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f14305f\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-e606315\" data-id=\"e606315\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-37c5744 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"37c5744\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_mobile&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"200\" height=\"200\" src=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/02\/Prof.-Saleem-Zaroubi.jpg\" class=\"attachment-medium size-medium wp-image-4171\" alt=\"\" srcset=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/02\/Prof.-Saleem-Zaroubi.jpg 200w, https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/02\/Prof.-Saleem-Zaroubi-150x150.jpg 150w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-5198810\" data-id=\"5198810\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e8892f1 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"e8892f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_mobile&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"mailto:saleem@astro.rug.nl\">Prof. Saleem Zaroubi \n<br>\nThe Open University<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2ed6792 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"2ed6792\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_mobile&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"_04xlpA direction-ltr align-start para-style-body\"><span class=\"S1PPyQ\">Prof. Saleem Zaroubi grew up in Nazareth. He obtained his BSc and MSc from the Technion &amp; his PhD from the Hebrew University, all in Physics. He was a Postdoctoral Fellow at the Physics and Astronomy departments, University of California at Berkley, and then a research associate at the Max Planck Institute from Astrophysics near Munich. He is a professor at the Kapteyn Astronomical Institute at the University of Groningen, The Netherlands, which he joined in 2004. Since 2016 he is also a professor at the Department of Natural and Life Sciences at the Open University. He is the chair of the newly established Astrophysics Research Center at the Open University (ARCO). In 2004 he founded, with two other Dutch colleagues, the LOFAR Epoch of Reionization project, one of the pioneering projects in the quest to explore the first billion years in the Universe\u2019s history. He has just been awarded the 2022 Humboldt Research Prize for his research achievements by the Alexander von Humboldt foundation. Prof. Zaroubi writes about science to the wider populic in Arabic and has recently published, also in Arabic, a book entitled \u201cIn the Beginning: Physics, Philosophy and History of Cosmology\u201d.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-7367314 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7367314\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8faef35\" data-id=\"8faef35\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0569b7d elementor-widget elementor-widget-spacer\" data-id=\"0569b7d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Photon ring autocorrelations Dr. Shahar Hadar Black holes strongly curve light rays, and therefore in their presence light sources connect to observers along multiple paths. As a result, brightness fluctuations in black hole observations must be correlated in intricate ways. In the talk I will describe a prediction for such correlations in black hole (time-dependent) [&hellip;]<\/p>\n","protected":false},"author":93,"featured_media":0,"parent":531,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_acf_changed":false,"_eb_attr":"","footnotes":""},"class_list":["post-4165","page","type-page","status-publish","hentry","entry"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Photon ring autocorrelations Dr. Shahar Hadar Black holes strongly curve light rays, and therefore in their presence light sources connect to observers along multiple paths. As a result, brightness fluctuations in black hole observations must be correlated in intricate ways. 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