Lecture 8

 

Active galaxies

 

  1. Quasi-stellar objects (QSOs) as archetype active nucleus galaxies (AGN).

 

 

 

 

 

 

 

 

a.       Observational properties of QSOs

 

 

 

 

 

 

 

b.      QSOs are smallÉ

 

 

 

 

 

 

 

a.       QSOs are youngÉ

 

 

 

 

 

 

 

b.      Distribution of QSOs.  They are farÉ.

 

 

 

 

 

 

 

c.       Superluminal speeds

 

 

 

 

 

 

 

 

  1. Mechanism for AGN