Quasars

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Questions in this category have been asked by JH

  • What is a quasar?
    • What is its spectrum like (both continuum and lines)?
    • Luminosity?
  • How do we know that quasars are supermassive black holes? (SR)
    • How can you constrain the radius of the central object? (GR effects on Iron K\alpha line, reverberation mapping)
  • What is Centaurus A?
  • What does AGN stand for? Name some of the types of AGN.
  • What's the primary variable in determining AGN properties?
  • Is AGN emission primarily thermal or primarily non-thermal?

Astrophysics