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| From | moroney@world.std.spaamtrap.com (Michael Moroney) |
|---|---|
| Newsgroups | sci.physics |
| Subject | Re: Astronomers exploit a remarkable supermassive black hole binary system to measure the primary black hole's spin |
| Date | 2016-03-11 22:19 +0000 |
| Organization | The World : www.TheWorld.com : Since 1989 |
| Message-ID | <nbvg8q$rrk$1@pcls7.std.com> (permalink) |
| References | <u9adnU3KH8rzhn7LnZ2dnUU7-a0AAAAA@giganews.com> |
Sam Wormley <swormley1@gmail.com> writes: >> At a distance of some 3.5 billion light years, OJ 287 is a >> remarkable binary supermassive black hole system sitting at a >> galaxy's core; two giant holes in bound in mutual orbit. The primary >> black hole weighs in at around 18 billion solar masses, the secondary >> at a mere 150 million solar masses. How big of a signal in LIGO would that produce upon merger?
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Astronomers exploit a remarkable supermassive black hole binary system to measure the primary black hole's spin Sam Wormley <swormley1@gmail.com> - 2016-03-11 13:24 -0600
Re: Astronomers exploit a remarkable supermassive black hole binary system to measure the primary black hole's spin moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-03-11 22:19 +0000
Re: Astronomers exploit a remarkable supermassive black hole binary system to measure the primary black hole's spin Sam Wormley <swormley1@gmail.com> - 2016-03-11 16:38 -0600
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