New science modeling Super Massive Black Holes and their accretionary disks
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New science modeling Super Massive Black Holes and their accretionary disks
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Diving straight into the deep end of the universe: supermassive black holes!
An episode with enough gravitational pull that you can’t help but get sucked in.
Host Dr. Jeffrey Zurek welcomes Dr. James Chan, a postdoctoral researcher at the American Museum of Natural History and City University of New York, to explore the strange physics and luminous surroundings of the darkest objects in the cosmos.
At the center of the conversation is Dr. Chan’s recent paper in The Astrophysical Journal:
“Reverberation Mapping of Lamp-post and Wind Structures in Accretion Thin Disk.”
Together, they discuss how light echoes and flickers around black holes can reveal their inner geometry — from the “lamp-post” models of X-ray emission to the chaotic winds that shape accretion disks. It’s a look into how we can study what can’t be seen, using timing, modeling, and a dash of cosmic detective work.
Paper at the center of the episode: https://arxiv.org/pdf/2409.15669
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