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X-ORIGINAL-URL:https://strobe.colorado.edu/
X-WR-CALNAME:STROBE
X-WR-CALDESC:Building the Microscopes of Tomorrow
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BEGIN:VEVENT
CLASS:PUBLIC
DTSTART;TZID=America/Denver:20200227T150000
DTEND;TZID=America/Denver:20200227T150000
DTSTAMP:20200613T074400
UID:MEC-9c7aa2e1f6b418b0639e5cd3a3557bb6@strobe.colorado.edu
CREATED:20200613
LAST-MODIFIED:20200613
PRIORITY:5
TRANSP:OPAQUE
SUMMARY:STROBE Seminar: Dr. Katie Bouman, ‘Capturing the First Picture of a Black Hole and Beyond’
DESCRIPTION:This talk will present the methods and procedures used to produce the first image of a black hole from the Event Horizon Telescope, as well as future developments. It had been theorized for decades that a black hole would leave a ‘shadow’ on a background of hot gas. Taking a picture of this black hole shadow would help to address a number of important scientific questions, both on the nature of black holes and the validity of general relativity. Unfortunately, due to its small size, traditional imaging approaches require an Earth-sized radio telescope. In this talk, I discuss techniques the Event Horizon Telescope Collaboration has developed to photograph a black hole using the Event Horizon Telescope, a network of telescopes scattered across the globe. Imaging a black holeʼs structure with this computational telescope required us to reconstruct images from sparse measurements, heavily corrupted by atmospheric error. This talk will summarize how the data from the 2017 observations were calibrated and imaged, and explain some of the challenges that arise with a heterogeneous telescope array like the EHT. The talk will also discuss how we are developing machine learning methods to help design future telescope arrays.\n
URL:https://strobe.colorado.edu/news-events/events/strobe-seminar-dr-katie-bouman-capturing-the-first-picture-of-a-black-hole-and-beyond/
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