Table 3: Classification of the DPOSS II compact groups and neighbouring large scale structures. n represents all galaxies which fulfilled the velocity criteria, irrespective of the original catalogue of group galaxies, while the number quoted in parentheses is the number of concordant galaxies that were originally part of the DPOSS catalog. When a (2+2) is given for n (members), it means that the candidate group is composed of two concordant pairs of galaxies.
Group name $\alpha$ $\delta$ n $\langle$z$\rangle$ Group class Cluster? Notes
  (J2000.0) (J2000.0) members        
PCG 100355+190454 10 03 55 +19 04 54 4 0.1076 $\pm$ 0.0002 A -  
PCG 101345+194541 10 13 45 +19 45 41 9(4) 0.1121 $\pm$ 0.0002 B Abell 0952 group in the centre of the cluster
PCG 103349+225324 10 33 49 +22 53 24 2+2 - C -  
PCG 103959+274947 10 39 59 +27 49 47 4 0.0989 $\pm$ 0.0001 A -  
PCG 104338+281711 10 43 38 +28 17 11 2+2 - C -  
PCG 104538+175826 10 45 38 +17 58 26 2 - C -  
PCG 110941+203320 11 09 41 +20 33 20 3 0.1389 $\pm$ 0.0002 B J1108+2019 DPOSS II cluster, z=0.139
              group at the outskirt of the cluster
PCG 114233+140738 11 42 33 +14 07 38 3 0.1251 $\pm$ 0.0002 B J1143+1358 DPOSS II cluster, z=0.120
              group at the outskirt of the cluster
PCG 114333+215356 11 43 33 +21 53 56 4 0.1319 $\pm$ 0.0002 A - SHK 371
PCG 121157+134421 12 11 57 +13 44 21 0 - C -  
PCG 121252+223519 12 12 52 +22 35 19 3 0.0850 $\pm$ 0.0002 A -  
PCG 121516+153357 12 15 16 +15 33 57 2 - C -  
PCG 130157+191511 13 01 57 +19 15 11 3 0.0794 $\pm$ 0.0001 A -  
PCG 130926+155358 13 09 26 +15 53 58 4(3) 0.1486 $\pm$ 0.0001 A -  
PCG 145239+275905 14 52 39 +27 59 05 4(3) 0.1255 $\pm$ 0.0001 B Abell 1984 group at the outskirt of the cluster
              $z_{\rm cluster}=0.124$
              SHK 219
PCG 154930+275637 15 49 30 +27 56 37 2 - C -  
PCG 161754+275834 16 17 54 +27 58 34 3 0.1259 $\pm$ 0.0001 A -  
PCG 170458+281834 17 04 58 +28 18 34 2 - C -  


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