The Most Massive Black Hole Merger is 'Impossible'
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The most massive Black Hole merger is 'Impossible', but it happened anyway. Two black holes, with masses 85 and 66 times the Sun, merged into an intermediate mass black hole 142 solar masses designated GW190521. The merger was detected by the LIGO-Virgo gravitational wave collaboration. This black hole merger is considered to be "impossible" because at least one of the two black holes that merged couldn't have formed in a supernova. Instead, they belong in the "pair instability mass gap" of black holes and must have merged in a prior generation in a cluster or perhaps in a quasar's accretion disk.
00:00 Start
05:07 the GW190521 signal
09:11 the black hole mass gap problem
11:38 Solutions to mass gap problem
14:08 Alternative scenarios
16:27 Future detections
17:45 Blinkist
19:40 Patreon thanks
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Disclaimer: Some of these links go to one of my websites and some are affiliate links where I'll earn a small commission if you make a purchase at no additional cost to you.
🧭 References:
LIGO Science Release:
GW190521: A Binary Black Hole Merger with a Total Mass of 150 Msun (published in Physical Review Letters): https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.125.101102
Properties and astrophysical implications of the 150 Msun binary black hole merger GW190521: https://iopscience.iop.org/article/10.3847/2041-8213/aba493
GW190521 parameter estimation samples and figure data https://dcc.ligo.org/LIGO-P2000158/public
A Candidate Electromagnetic Counterpart to the Binary Black Hole Merger Gravitational Wave Event S190521g. Graham et al 2020: https://arxiv.org/abs/2006.14122
✅ Let's connect:
For business inquiries - chris AT christianready DOT com
Twitter - @launchpadastro
Instagram - @launchpadastro
Facebook - https://www.facebook.com/LaunchPadAstronomy/
Discord - https://discord.gg/yChAuUe
📭 c/o Christian Ready
P.O. Box 66
Westminster, MD 21158
United States
Earth
Видео The Most Massive Black Hole Merger is 'Impossible' канала Launch Pad Astronomy
The most massive Black Hole merger is 'Impossible', but it happened anyway. Two black holes, with masses 85 and 66 times the Sun, merged into an intermediate mass black hole 142 solar masses designated GW190521. The merger was detected by the LIGO-Virgo gravitational wave collaboration. This black hole merger is considered to be "impossible" because at least one of the two black holes that merged couldn't have formed in a supernova. Instead, they belong in the "pair instability mass gap" of black holes and must have merged in a prior generation in a cluster or perhaps in a quasar's accretion disk.
00:00 Start
05:07 the GW190521 signal
09:11 the black hole mass gap problem
11:38 Solutions to mass gap problem
14:08 Alternative scenarios
16:27 Future detections
17:45 Blinkist
19:40 Patreon thanks
🔔 Subscribe for more: https://www.youtube.com/christianready?sub_confirmation=1
🖖 Share this video with a fellow space traveler: https://youtu.be/rIsGM2xkjHg
🔴 Watch my most recent upload: https://goo.gl/QbRcE2
🚀 Help me improve the channel by joining the community on Patreon
https://patreon.com/launchpadastro
🚀 Check out Launch Pad merchandise!
https://teespring.com/stores/launchpadastro
Disclaimer: Some of these links go to one of my websites and some are affiliate links where I'll earn a small commission if you make a purchase at no additional cost to you.
🧭 References:
LIGO Science Release:
GW190521: A Binary Black Hole Merger with a Total Mass of 150 Msun (published in Physical Review Letters): https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.125.101102
Properties and astrophysical implications of the 150 Msun binary black hole merger GW190521: https://iopscience.iop.org/article/10.3847/2041-8213/aba493
GW190521 parameter estimation samples and figure data https://dcc.ligo.org/LIGO-P2000158/public
A Candidate Electromagnetic Counterpart to the Binary Black Hole Merger Gravitational Wave Event S190521g. Graham et al 2020: https://arxiv.org/abs/2006.14122
✅ Let's connect:
For business inquiries - chris AT christianready DOT com
Twitter - @launchpadastro
Instagram - @launchpadastro
Facebook - https://www.facebook.com/LaunchPadAstronomy/
Discord - https://discord.gg/yChAuUe
📭 c/o Christian Ready
P.O. Box 66
Westminster, MD 21158
United States
Earth
Видео The Most Massive Black Hole Merger is 'Impossible' канала Launch Pad Astronomy
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