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Pair creation
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Classroom Contents
Pulsars: Properties, Radiation, and Discovery - Lecture 8
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- 1 Time: AM
- 2 A Journey through the Universe
- 3 Pulsars Lecture - 08
- 4 The remarkable story of the Crab Nebula
- 5 Crab Nebula is expanding with a velocity ~ 1500 km per second
- 6 LINE emission & Continuous emission
- 7 Continuous emission is strongly polarized
- 8 Expanding wisps near the centre of the nebula
- 9 Acceleration of the nebula!
- 10 Radio emission from the Crab!
- 11 A great prediction by Shklovskii
- 12 Radio emission from the Crab Nebula is very strongly linearly polarized.
- 13 X-Ray emission from the nebula!
- 14 The great puzzle!
- 15 The great central engine
- 16 An extraordinary conjecture by Pacini!
- 17 Properties of neutron stars
- 18 Oscillating charge will radiate
- 19 A Rotating Magnet will radiate
- 20 An extraordinary conjecture by Pacini!
- 21 Meanwhile in Cambridge!
- 22 Scintillation, or twinkling' of compact radio sources
- 23 Jocelyn Bell
- 24 An unknown scintillating source
- 25 6 Auguest 1967
- 26 Periodic pulsations discovered from the same source on 28 November 1967.
- 27 The great discovery announced!
- 28 Twinkle, twinkle little star
- 29 A video made with a TV camera showed that Baade's star pulsed with a period of 33 ms!
- 30 The great prediction by Franco Pacini
- 31 Neutron Stars as Pulsars
- 32 Average pulse profiles are unique to each pulsar. They are like their 'finger print'.
- 33 Micro structure of individual pulses
- 34 "Nulling" of pulsars
- 35 Neutron stars are powerful dynamos!
- 36 Pulsar electrodynamics
- 37 Magnetosphere of the neutron star
- 38 Light Cylinder
- 39 Radiation from an accelerated charge
- 40 Radiation from a relativistic charge
- 41 Synchrotron Radiation
- 42 Radio radiation from pulsars
- 43 The Polar Cap Model for pulsars
- 44 A hollow cone of radiation
- 45 Pulsed emission from the CRAB Pulsar.
- 46 Radiation from a relativistic charge
- 47 Pair creation
- 48 Coherence of the radio radiation
- 49 Brightness temperature limit
- 50 Q&A
