Fig. 2.
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GBT versus MeerKAT integrated spectrum smoothed at 20 Jy km s−1. The pink solid lines indicate the MeerKAT integrated spectra. The solid black lines indicate the GBT spectra of Borthakur et al. (2010). The vertical dotted lines indicate the velocities of the galaxies in the core of each group. The horizontal blue lines indicate zero intensity values to guide the eyes.
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