NASA/IPAC EXTRAGALACTIC DATABASE
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   NED object is 3C 268.4; Reference is  1974MNRAS.169..477P

   Fig. 2. 3C 268.4. The position (V) of the variable 18 mag QSO may conincide
 with the the central radio component. Burbidge et al. (1971) note that this
 source lies only 3 arcmin from the galaxy NGC 4138, but the radio structure
 does not suggest a real association.

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