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Fig. 3
GMRT image at 1.4 GHz of the five sources listed in Table 2. The radio contours correspond to 5, 8, 16, 32, and 64 times 0.049 mJy beam-1, the rms noise. The synthesized radio beam is plotted in the lower-left corner. Sources R2 and R3 are catalogued as possible and confirmed planetary nebula respectively.
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