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physical object > natural object > celestial body > collection of stars > galaxy > active galaxy > blazar
Upactive galaxy, radio galaxy

blazar
subjectfact 
blazarhas definition A highly variable active galaxy which, in general, displays no emission lines in its spectrum.has source: Clark, S. 1997 Towards the Edge of the Universe, Wiley, 2001-09-27 09:31:18.0
has definition A term collectively used to refer to Optically Violent Variables (OVVs) and BL Lac objects.has source: Peterson, B.M. 1997 An Introduction to Active Galactic Nuclei, Cambridge University Press, 2001-09-27 09:31:18.0
is a kind of active galaxy2001-09-27 09:31:18.0
is a kind of radio galaxy2001-09-27 09:31:18.0
active galaxyhas luminosity 1043 to 1046 ergs s-12001-09-27 09:31:18.0
galaxyhas number of stars 106 to 10122001-09-27 09:31:09.0
has catalog galaxy catalog2001-09-27 09:31:09.0
radio sourcehas wavelength radio2001-09-27 09:30:21.0
is a part of celestial sphere2001-09-27 09:30:21.0
has catalog radio source catalog2001-09-27 09:30:21.0
celestial bodyhas spectra2001-09-27 09:30:09.0
physical objecthas location or center of gravity2001-09-27 09:27:27.0
has angular momentum2001-09-27 09:27:27.0
has mass2001-09-27 09:27:27.0
has velocity2001-09-27 09:27:27.0
has momentum2001-09-27 09:27:27.0
has temperature2001-09-27 09:27:27.0
has volume2001-09-27 09:27:27.0
has extent2001-09-27 09:27:27.0
has material2001-09-27 09:27:27.0

Kinds of blazar :

Upactive galaxy, radio galaxy