NED object is DA 240; Reference is 1982MNRAS.200..377T

   Figure 1. The brightness distribution at 0.15 GHz from the 6C survey.
 Contours are -2 (dashed), 2, 4, 6, 8, 10, 12, 14, 16, 20, 30, 40, 50, 60, 70,
 80 units, where 1 unit = 88 mJy per beam. The coordinates in each figure are
 for epoch 1950.0