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Blazar

(very compact variable quasar)

A Blazar is a very compact Quasar in an Active Galactic Nucleus. They are thought to be powered by material falling into a Supermassive Black Hole and are thought to beam their Electromagnetic Radiation to make them especially bright despite their distance. The name blazar was given to objects that are both BL Lac Objects (objects similar to the Active Galaxy BL Lacertae) and OVV Quasars (Optically Violent Variable Quasars).


(quasars,AGN)
http://en.wikipedia.org/wiki/Blazar
https://kipac.stanford.edu/research/topics/blazars-and-active-galactic-nuclei

Referenced by:
Cosmic Gamma Ray Background (CGB)
Radio Galaxy (RG)
Roma-BZCAT
3C 273

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