NED object is PKS 1840-40; Reference is  1992PASAu..10...16D

   Figure 2 - Source images: B1950 names. The outermost contour level is
 annotated on each image. Subsequent levels increase by a factor of 4, except
 for the innermost (a dot) which marks the position of peak flux density. The
 beam is shown in the lower left-hand corner.