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The Radio Galaxy Cygnus A
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Classroom Contents
Pulsars, Supernova Remnants and Radio Galaxies by Professor G Srinivasan
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- 1 Summer course 2018 - A Random walk in astro-physics
- 2 Pulsars, Supernova Remnants and Radio Galaxies Lecture - 05
- 3 The remarkable story of the Crab Nebula
- 4 Guest Stars
- 5 Guest Star of 1054 A.D.
- 6 Line emission & Continuum emission
- 7 Continuous emission is strongly polarized
- 8 Expanding wisps near the centre of the nebula
- 9 Crab Nebula is expanding with a velocity approximate 1500 km per second
- 10 Acceleration of the nebula!
- 11 Radio emission from the Crab!
- 12 A great prediction by Shklovskii
- 13 Radio emission from the Crab Nebula is very strongly linearly polarized.
- 14 X-Ray emission from the nebula!
- 15 The great puzzle!
- 16 The great central engine
- 17 An extraordinary conjecture by Pacini!
- 18 Properties of neutron stars
- 19 Oscillating charge will radiate
- 20 Pulsars
- 21 Twinkle, twinkle little star
- 22 A video made with a TV camera showed that Baade's star pulsed with a period of 33 ms!
- 23 The great prediction by Franco Pacini
- 24 Neutron Stars as Pulsars
- 25 Neutron stars are powerful dynamos!
- 26 Pulsar electrodynamics
- 27 Magnetosphere of the neutron star
- 28 Light Cylinder
- 29 The Polar Cap Model for pulsars
- 30 Radio radiation from pulsars
- 31 A hollow cone of radiation
- 32 Radiation from a relativistic charge
- 33 Coherence of the radio radiation
- 34 Radio Galaxies and Quasars
- 35 The Radio Galaxy Cygnus A
- 36 Origin of the radio lobes
- 37 Jets discovered in Cygnus A
- 38 One sided jets
- 39 NGC 6251
- 40 Proper time:
- 41 Doppler Shift
- 42 Doppler favoritism
- 43 Superluminal motion
- 44 Imagine a black hole at position A ejecting a blob in direction making an angle theta to the observer. Let the blob be moving with velocity v.
- 45 Relativistic jets
- 46 Energy content
- 47 The central engine
- 48 Eddington Luminosity Limit
- 49 Variability of Quasars
- 50 Supermassive Black Holes
- 51 Next Lecture: Compton Scattering and Celestial Gamma Ray Sources
- 52 Q&A
