{"id":8905,"date":"2025-09-19T10:49:27","date_gmt":"2025-09-19T15:49:27","guid":{"rendered":"https:\/\/uwm.edu\/physics\/?post_type=tribe_events&p=8905"},"modified":"2026-01-20T09:14:27","modified_gmt":"2026-01-20T15:14:27","slug":"physics-colloquium-chris-fragile","status":"publish","type":"tribe_events","link":"https:\/\/uwm.edu\/physics\/event\/physics-colloquium-chris-fragile\/","title":{"rendered":"Physics Colloquium – Chris Fragile"},"content":{"rendered":"

What Are We Learning About Super-Eddington Accretion Disks From Simulations?<\/h2>\n

Professor Chris Fragile
\nDepartment of Physics & Astronomy, College of Charleston<\/p>\n

Accretion of gas onto black holes is one of the most important processes shaping our Universe. Understanding extremely high rates of accretion (dubbed ‘super-Eddington’) is vital to explaining the challenging observation that supermassive black holes (SMBHs) are fully formed at redshifts >7. It is also important to understanding astrophysical objects such as tidal disruption events (TDEs) and ultra-luminous X-ray sources (ULXs).<\/p>\n

In this talk, I will present the results of some recent super-Eddington disk simulations and discuss some of the interesting things we are learning.<\/p>\n","protected":false},"excerpt":{"rendered":"

What Are We Learning About Super-Eddington Accretion Disks From Simulations?<\/strong>
\nProfessor Chris Fragile
\nDepartment of Physics & Astronomy, College of Charleston<\/p>\n

Accretion of gas onto black holes is one of the most important processes shaping our Universe. Understanding extremely high rates of accretion (dubbed ‘super-Eddington’) is vital to explaining the challenging observation that supermassive black holes (SMBHs) are fully formed at redshifts >7. It is also important to understanding astrophysical objects such as tidal disruption events (TDEs) and ultra-luminous X-ray sources (ULXs).<\/p>\n","protected":false},"author":9647,"featured_media":0,"template":"","meta":{"_acf_changed":false,"_tribe_events_status":"","_tribe_events_status_reason":"","_tribe_events_is_hybrid":"","_tribe_events_is_virtual":"","_tribe_events_virtual_video_source":"","_tribe_events_virtual_embed_video":"","_tribe_events_virtual_linked_button_text":"","_tribe_events_virtual_linked_button":"","_tribe_events_virtual_show_embed_at":"","_tribe_events_virtual_show_embed_to":[],"_tribe_events_virtual_show_on_event":"","_tribe_events_virtual_show_on_views":"","_tribe_events_virtual_url":"","footnotes":"","uwm_wg_additional_authors":[]},"tags":[],"tribe_events_cat":[58],"class_list":["post-8905","tribe_events","type-tribe_events","status-publish","hentry","tribe_events_cat-physics-colloquia","cat_physics-colloquia"],"yoast_head":"\nPhysics & Astronomy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/uwm.edu\/physics\/event\/physics-colloquium-chris-fragile\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Physics Colloquium - Chris Fragile\" \/>\n<meta property=\"og:description\" content=\"What Are We Learning About Super-Eddington Accretion Disks From Simulations? Professor Chris Fragile Department of Physics & Astronomy, College of Charleston Accretion of gas onto black holes is one of the most important processes shaping our Universe. Understanding extremely high rates of accretion (dubbed 'super-Eddington') is vital to explaining the challenging observation that supermassive black holes (SMBHs) are fully formed at redshifts >7. It is also important to understanding astrophysical objects such as tidal disruption events (TDEs) and ultra-luminous X-ray sources (ULXs).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/uwm.edu\/physics\/event\/physics-colloquium-chris-fragile\/\" \/>\n<meta property=\"og:site_name\" content=\"Physics & Astronomy\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-20T15:14:27+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/uwm.edu\\\/physics\\\/event\\\/physics-colloquium-chris-fragile\\\/\",\"url\":\"https:\\\/\\\/uwm.edu\\\/physics\\\/event\\\/physics-colloquium-chris-fragile\\\/\",\"name\":\"Physics Colloquium - Chris Fragile - Physics & Astronomy\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/uwm.edu\\\/physics\\\/#website\"},\"datePublished\":\"2025-09-19T15:49:27+00:00\",\"dateModified\":\"2026-01-20T15:14:27+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/uwm.edu\\\/physics\\\/event\\\/physics-colloquium-chris-fragile\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/uwm.edu\\\/physics\\\/event\\\/physics-colloquium-chris-fragile\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/uwm.edu\\\/physics\\\/event\\\/physics-colloquium-chris-fragile\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/uwm.edu\\\/physics\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Events\",\"item\":\"https:\\\/\\\/uwm.edu\\\/physics\\\/events\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Physics Colloquium – Chris Fragile\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/uwm.edu\\\/physics\\\/#website\",\"url\":\"https:\\\/\\\/uwm.edu\\\/physics\\\/\",\"name\":\"Physics & Astronomy\",\"description\":\"UW-Milwaukee\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/uwm.edu\\\/physics\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Physics & Astronomy","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/uwm.edu\/physics\/event\/physics-colloquium-chris-fragile\/","og_locale":"en_US","og_type":"article","og_title":"Physics Colloquium - Chris Fragile","og_description":"What Are We Learning About Super-Eddington Accretion Disks From Simulations? Professor Chris Fragile Department of Physics & Astronomy, College of Charleston Accretion of gas onto black holes is one of the most important processes shaping our Universe. Understanding extremely high rates of accretion (dubbed 'super-Eddington') is vital to explaining the challenging observation that supermassive black holes (SMBHs) are fully formed at redshifts >7. It is also important to understanding astrophysical objects such as tidal disruption events (TDEs) and ultra-luminous X-ray sources (ULXs).","og_url":"https:\/\/uwm.edu\/physics\/event\/physics-colloquium-chris-fragile\/","og_site_name":"Physics & Astronomy","article_modified_time":"2026-01-20T15:14:27+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/uwm.edu\/physics\/event\/physics-colloquium-chris-fragile\/","url":"https:\/\/uwm.edu\/physics\/event\/physics-colloquium-chris-fragile\/","name":"Physics Colloquium - Chris Fragile - Physics & Astronomy","isPartOf":{"@id":"https:\/\/uwm.edu\/physics\/#website"},"datePublished":"2025-09-19T15:49:27+00:00","dateModified":"2026-01-20T15:14:27+00:00","breadcrumb":{"@id":"https:\/\/uwm.edu\/physics\/event\/physics-colloquium-chris-fragile\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/uwm.edu\/physics\/event\/physics-colloquium-chris-fragile\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/uwm.edu\/physics\/event\/physics-colloquium-chris-fragile\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/uwm.edu\/physics\/"},{"@type":"ListItem","position":2,"name":"Events","item":"https:\/\/uwm.edu\/physics\/events\/"},{"@type":"ListItem","position":3,"name":"Physics Colloquium – Chris Fragile"}]},{"@type":"WebSite","@id":"https:\/\/uwm.edu\/physics\/#website","url":"https:\/\/uwm.edu\/physics\/","name":"Physics & Astronomy","description":"UW-Milwaukee","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/uwm.edu\/physics\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"acf":[],"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/uwm.edu\/physics\/wp-json\/wp\/v2\/tribe_events\/8905","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/uwm.edu\/physics\/wp-json\/wp\/v2\/tribe_events"}],"about":[{"href":"https:\/\/uwm.edu\/physics\/wp-json\/wp\/v2\/types\/tribe_events"}],"author":[{"embeddable":true,"href":"https:\/\/uwm.edu\/physics\/wp-json\/wp\/v2\/users\/9647"}],"version-history":[{"count":3,"href":"https:\/\/uwm.edu\/physics\/wp-json\/wp\/v2\/tribe_events\/8905\/revisions"}],"predecessor-version":[{"id":9062,"href":"https:\/\/uwm.edu\/physics\/wp-json\/wp\/v2\/tribe_events\/8905\/revisions\/9062"}],"wp:attachment":[{"href":"https:\/\/uwm.edu\/physics\/wp-json\/wp\/v2\/media?parent=8905"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/uwm.edu\/physics\/wp-json\/wp\/v2\/tags?post=8905"},{"taxonomy":"tribe_events_cat","embeddable":true,"href":"https:\/\/uwm.edu\/physics\/wp-json\/wp\/v2\/tribe_events_cat?post=8905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}