Table 4: Morphological classification of the member galaxies for groups of class A and B. $T_{\rm spectrum}$ is the morphogical type of the group as defined by the percentage of galaxies with EW(H $\alpha)~>~6$ $\AA$.
Group name Members n_ema $T_{\rm spectrum}$ EW(H$\alpha$)
PCG 100355+190454 4 0 early -
PCG 101345+194541 4 0 early -
PCG 103959+274947 4 1 early A: 6.05 $\pm$ 0.01
PCG 110941+203320 3 1 early B: 12.98 $\pm$ 0.02
PCG 114233+140738 3 1 early B: 7.60 $\pm$ 0.02
PCG 114333+215356 4 3 late A: 22.06 $\pm$ 0.04
        B: 6.89 $\pm$ 0.02
        C: 8.77 $\pm$ 0.03
PCG 121252+223519 3 2 late A: 24.45 $\pm$ 0.03
        B: 21.64 $\pm$ 0.06
PCG 130157+191511 3 3 late A: 36.6 $\pm$ 0.2
        C: 202 $\pm$ 5
        D: 47 $\pm$ 2
PCG 130926+155358 3 1 early C: 16.60 $\pm$ 0.05
PCG 145239+275905 3 1 early B: 7.30 $\pm$ 0.08
PCG 161754+275834 3 0 early -

a Number of emitters.

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