From PGSC Wiki
Questions in this category have been asked by JH
- What is a quasar?
- What is its spectrum like (both continuum and lines)?
- 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?