Dr. Becky | An ULTRAMASSIVE black hole has been discovered in A BRAND NEW WAY @DrBecky | Uploaded 1 year ago | Updated 3 days ago
Go to brilliant.org/drbecky to get a 30-day free trial and the first 200 people will get 20% off their annual subscription.
Last week researchers at Durham University announced they had measured the mass of the supermassive black hole at the centre of the galaxy Abell 1201 at 32 billion times heavier than the Sun. It's so massive that people describe ti as an "ultramassive black hole". In this video we chat about the brand new method they used to get at this measurement and why that's so exciting. #blackhole #astrophysics #space
Nightingale et al. (2023; ultramassive black hole in Abell 1201) - arxiv.org/pdf/2303.15514.pdf
McConnell et al. (2011; NGC 4889 & A3358 SMBH measurement) - arxiv.org/pdf/1112.1078.pdf
Dullo et al. (2021; NGC 6166 SMBH measurement) - arxiv.org/pdf/2012.04471.pdf
Shemmer et al. (2004; TON 618 SMBH measurement; Table 2) - arxiv.org/pdf/astro-ph/0406559.pdf
Haring & Rix (2004; correlation of SMBH mass with stellar mass) - arxiv.org/pdf/astro-ph/0402376.pdf
McConnell & Ma (2013; correlation of SMBH mass with velocity dispersion) - arxiv.org/pdf/1211.2816
Hopkins et al. (2007; correlation of SMBH with galaxy radius) - arxiv.org/pdf/0707.4005.pdf
Smethurst et al. (2023; my research on scatter in SMBH correlations without galaxy mergers) - arxiv.org/pdf/2211.13677.pdf
My previous video on TON 618 and the maximum mass a SMBH can have: youtube.com/watch?v=1ooL9cvvHdA
More information on the Vera Rubin Observatory - rubinobs.org
00:00 - Introduction
00:17 - When does a black hole become "ultramassive"?
00:36 - The biggest black holes we know of
01:27 - How do we normally measure the mass of supermassive black holes?
05:25 - The correlations between black holes and their galaxies
06:31 - Gravitational lensing and black hole masses
08:22 - The best fit model to Abell 1201
10:25 - The future of this method with JWST and VRO
11:28 - Durham University ❤️
11:51 - Brilliant
13:07 - Bloopers
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📚 My new book, "A Brief History of Black Holes", out NOW in hardback, e-book and audiobook (which I narrated myself!): http://hyperurl.co/DrBecky
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📚 "The Year In Space" celebrating all things space in 2022 from me and the rest of the Supermassive Podcast team: geni.us/jNcrw
---
👕 My new merch, including JWST designs, are available here (with worldwide shipping!): dr-becky.teemill.com
---
🎧 Royal Astronomical Society Podcast that I co-host: podfollow.com/supermassive
---
🔔 Don't forget to subscribe and click the little bell icon to be notified when I post a new video!
---
👩🏽💻 I'm Dr. Becky Smethurst, an astrophysicist at the University of Oxford (Christ Church). I love making videos about science with an unnatural level of enthusiasm. I like to focus on how we know things, not just what we know. And especially, the things we still don't know. If you've ever wondered about something in space and couldn't find an answer online - you can ask me! My day job is to do research into how supermassive black holes can affect the galaxies that they live in. In particular, I look at whether the energy output from the disk of material orbiting around a growing supermassive black hole can stop a galaxy from forming stars.
http://drbecky.uk.com
rebeccasmethurst.co.uk
Go to brilliant.org/drbecky to get a 30-day free trial and the first 200 people will get 20% off their annual subscription.
Last week researchers at Durham University announced they had measured the mass of the supermassive black hole at the centre of the galaxy Abell 1201 at 32 billion times heavier than the Sun. It's so massive that people describe ti as an "ultramassive black hole". In this video we chat about the brand new method they used to get at this measurement and why that's so exciting. #blackhole #astrophysics #space
Nightingale et al. (2023; ultramassive black hole in Abell 1201) - arxiv.org/pdf/2303.15514.pdf
McConnell et al. (2011; NGC 4889 & A3358 SMBH measurement) - arxiv.org/pdf/1112.1078.pdf
Dullo et al. (2021; NGC 6166 SMBH measurement) - arxiv.org/pdf/2012.04471.pdf
Shemmer et al. (2004; TON 618 SMBH measurement; Table 2) - arxiv.org/pdf/astro-ph/0406559.pdf
Haring & Rix (2004; correlation of SMBH mass with stellar mass) - arxiv.org/pdf/astro-ph/0402376.pdf
McConnell & Ma (2013; correlation of SMBH mass with velocity dispersion) - arxiv.org/pdf/1211.2816
Hopkins et al. (2007; correlation of SMBH with galaxy radius) - arxiv.org/pdf/0707.4005.pdf
Smethurst et al. (2023; my research on scatter in SMBH correlations without galaxy mergers) - arxiv.org/pdf/2211.13677.pdf
My previous video on TON 618 and the maximum mass a SMBH can have: youtube.com/watch?v=1ooL9cvvHdA
More information on the Vera Rubin Observatory - rubinobs.org
00:00 - Introduction
00:17 - When does a black hole become "ultramassive"?
00:36 - The biggest black holes we know of
01:27 - How do we normally measure the mass of supermassive black holes?
05:25 - The correlations between black holes and their galaxies
06:31 - Gravitational lensing and black hole masses
08:22 - The best fit model to Abell 1201
10:25 - The future of this method with JWST and VRO
11:28 - Durham University ❤️
11:51 - Brilliant
13:07 - Bloopers
---
📚 My new book, "A Brief History of Black Holes", out NOW in hardback, e-book and audiobook (which I narrated myself!): http://hyperurl.co/DrBecky
---
📚 "The Year In Space" celebrating all things space in 2022 from me and the rest of the Supermassive Podcast team: geni.us/jNcrw
---
👕 My new merch, including JWST designs, are available here (with worldwide shipping!): dr-becky.teemill.com
---
🎧 Royal Astronomical Society Podcast that I co-host: podfollow.com/supermassive
---
🔔 Don't forget to subscribe and click the little bell icon to be notified when I post a new video!
---
👩🏽💻 I'm Dr. Becky Smethurst, an astrophysicist at the University of Oxford (Christ Church). I love making videos about science with an unnatural level of enthusiasm. I like to focus on how we know things, not just what we know. And especially, the things we still don't know. If you've ever wondered about something in space and couldn't find an answer online - you can ask me! My day job is to do research into how supermassive black holes can affect the galaxies that they live in. In particular, I look at whether the energy output from the disk of material orbiting around a growing supermassive black hole can stop a galaxy from forming stars.
http://drbecky.uk.com
rebeccasmethurst.co.uk
