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1 parsec = 3.26 light years
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Unseen at Last - The Black Hole in M87 by Rajaram Nityananda
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- 1 DATE: 29 April 2019, 16:00 to
- 2 Introduction
- 3 Unseen at last: the black hole in M87
- 4 Michell / Laplace calculation
- 5 M87 is a galaxy with ten times as many stars as our own Milky Way
- 6 A lens forms an image by collecting the waves from all points on its aperture
- 7 1 parsec = 3.26 light years
- 8 Angular resolution needed to see the black hole
- 9 Very Long Baseline interferometry
- 10 Best "picture" of M87 before the EHT image
- 11 Broken Lens equivalent to EHT
- 12 From 'Einstein Centenary Symposium' 1980
- 13 Now, here, you see, it takes all the running you can do, to keep in the same place
- 14 Accretion on to a black hole
- 15 Conserving angular momentum and dissipating energy : rubbing two rings together
- 16 Photon orbits near a black hole
- 17 Status and prospects
- 18 Q&A
