The Largest Black Holes [4K]

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Published on May 14, 2023 11:00:35 AM ● Video Link: https://www.youtube.com/watch?v=gIvGSW1Mlm8

Duration: 30:59

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Lately, there has been talk of a new largest black hole, named Phoenix A*, which is said to have a mass greater than 100 billion times the mass of the sun! This is much larger than the previous record holder, TON-618. But can we really rely on this prediction? And if not, then what is the largest black hole out there, and how do we know its true size? These are the questions we will answer in search of the universe's biggest black holes.

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SOURCES OF INFORMATION:

A New Look at the Phoenix Cluster with Chandra: https://chandra.harvard.edu/photo/2015/phoenix/

A Weakened Black Hole Allows Its Galaxy to Awaken [NASA]: https://www.nasa.gov/mission_pages/chandra/images/a-weakened-black-hole-allows-its-galaxy-to-awaken.html

Constraining the Maximum Mass for Black Holes: https://arxiv.org/abs/1601.02611

Cooling Flow in the Phoenix Cluster: https://arxiv.org/pdf/1904.08942.pdf

Phoenix Cluster X-Ray Magnifying Article: https://news.uchicago.edu/story/astronomers-use-giant-galaxy-cluster-x-ray-magnifying-lens

2015 Paper Estimating Phoenix A* as 100BN: https://arxiv.org/pdf/1509.04782.pdf

Holmberg 15A Analysis: https://iopscience.iop.org/article/10.3847/0004-637X/819/1/50

CHAPTERS:
0:00 Start
1:50 Stellar Black Holes
5:00 Intermediate & Supermassive Black Holes
7:09 IC 1101*
9:39 TON-618
12:45 The Phoenix Cluster
15:34 Phoenix A
18:18 X-Ray Cavities & Eruptions
20:28 Phoenix A* Black Hole
22:26 Is Phoenix A* the Largest Black Hole?
25:33 Other Ultramassive Black Hole Candidates
28:45 Closing Statements

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Largest Black Holes, Biggest Black Holes, Black Hole Size Comparison
Phoenix A, TON-618, Holmberg 15A, IC 1101, 4C+74.13, Abell 1201