Nuclear magnitude. See definition for m2, above.
Parallax. The apparent displacement or the difference in apparent direction of an object as seen from two different points not on a straight line with the object (as from two different ...
Quasars comprise the most luminous subclass of AGNs, with nuclear magnitudes MB h0. A small minority (5-10%) of these sources are the strong radio sources that originally defined the quasar class.
 See also: Magnitude, Emission
  
|
RSS
