Fig. 5

The correlation between the SuperCOSMOS Hα mosaic image and the radio emission from archival data at 4850 MHz (blue line) and 1400 MHz (red line). The blue contours scale linearly from 2.0 × 10-2 Jy/beam to 0.2 Jy/beam, with steps of 0.02 Jy/beam and the red from 1.2 × 10-3 Jy/beam to 4.0 × 10-3 Jy/beam, with steps of 9.3 × 10-4 Jy/beam.
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