Radiative Processes in Astrophysics

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An introduction to the basic physics of astronomy and astrophysics at the graduate level. Principles of energy transfer by radiation. Elements of classical and quantum theory of photon emission; bremsstrahlung, synchrotron radiation. Compton scattering, plasma effects, atomic and molecular electromagnetic transitions. With applications to current research into astrophysical phenomena.

These are a collection of lectures covering topics in an introductory graduate astrophysics course on radiative processes. The subject matter is loosely drawn from Radiatve Processes in Astrophysics by Rybicki & Lightman.

At the end of the semester, each student will develop one new lecture on a subject of their choice to add to this website.

Contents

[edit] Class Code Repository

http://github.com/AaronParsons/astro207

[edit] Syllabus

[edit] Useful External References

[edit] Topics by Date

[edit] (Th, Aug. 25) Radiative Quantities (RL 1.1-1.3; Mil 1.1-1.3)

  • class mechanics
    • syllabus
    • references
      • Rybicki & Lightman
      • Astrobaki: learn better by teaching
    • tools for figuring stuff out
      • theoretical derivation
      • order-of-magnitude estimation
      • physical intuition (hands-on modeling, analogies)
      • numerical simulation
    • programming
  • Topics
  • Activities
    • convert photon number density to specific intensity

[edit] (Tu, Aug. 30) radiative transport (RL 1.4; Mil 2.1-2.2)

[edit] (Th, Sep. 1) scattering and absorption (RL 1.4; Mil 2.1-2.2)

[edit] (Tu, Sep. 6) thermodynamic equilibrium (RL 1.5)

[edit] (Th, Sep. 8) semi-classical hydrogen

[edit] (Tu, Sep. 13) Einstein coefficients

[edit] (Th, Sep. 15) radiation from accelerating charges (RL 3.3-3.4)

[edit] (Tu, Sep. 20) molecular lines (RL 11)

[edit] (Th, Sep. 22) spectral line broadening

[edit] (Th, Nov. 12) masers

[edit] (Th, Sep. 24) collisional excitations

[edit] (Tu, Oct. 6) free-free emission

[edit] (W, Oct. 7) radiative equilibrium (RL 1.7-1.8; Mil 2.3-2.5)

[edit] (Th, Oct. 8) bound-free transitions

  • Activities
    • stromgren spheres
    • recombination coefficients
    • work out in detail redshift of recombination

[edit] (Tu, Oct. 13) LTE and non-LTE

  • Topics
    • On-the-spot Approximation
    • statistical equilibrium
    • photoionization equilibrium
    • collisional ionization equilibrium
  • Activities
    • estimating recombination coefficients

[edit] (Tu, Oct. 13) Maxwell's Equations and Plane Waves

[edit] (Th, Oct. 15) plasma effects

[edit] (Tu, Oct. 20) compton scattering

[edit] (Th, Oct. 22) Inverse Compton scattering

[edit] (Tu, Oct. 27) relativistic transformations

[edit] (Th, Oct. 29) synchrotron radiation

[edit] (Tu, Nov. 3) self-absorption

[edit] (Th, Nov. 5) dust and grains


[edit] (Tu, Nov. 17) radiative diffusion

[edit] (Tu, Dec. 1) high-redshift 21cm radiation

[edit] (Th, Dec. 3) Radiative Transfer Codes/Review 1

  • Review

[edit] (Tu, Dec. 8) Review 2

  • Review

[edit] Misc Topics

[edit] Legacy Lecture Notes

  1. Radiation Lecture 01
  2. Radiation Lecture 02
  3. Radiation Lecture 03
  4. Radiation Lecture 04
  5. Radiation Lecture 05
  6. Radiation Lecture 06
  7. Radiation Lecture 07
  8. Radiation Lecture 08
  9. Radiation Lecture 09
  10. Radiation Lecture 10
  11. Radiation Lecture 11
  12. Radiation Lecture 12
  13. Radiation Lecture 13
  14. Radiation Lecture 14
  15. Radiation Lecture 15
  16. Radiation Lecture 16
  17. Radiation Lecture 17
  18. Radiation Lecture 18
  19. Radiation Lecture 19
  20. Radiation Lecture 20
  21. Radiation Lecture 21
  22. Radiation Lecture 22
  23. Radiation Lecture 23
  24. Radiation Lecture 24
  25. Radiation Lecture 25
  26. Radiation Lecture 26
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