Table 5.
Comparison of median properties of CG4 sub-samples according to their location in Lim-Tempel groups
| Sample | Split | Isolated | Embedded | Predominant | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Quantity | median | pCG4 | median | pCG4 | pRG4 | median | pCG4 | median | pCG4 | ||||
| (1) | Number | 16 | 6 | 19 | 37 | ||||||||
| (2) | Common BGG | 4 (0.25) | 6 (1.00) | 13 (0.68) | 37 (1.00) | ||||||||
| (3) | 〈Rij〉 (kpc) | 145 | 0.28 | 171 | 0.26 | 4.0×10−6 | 153 | 0.49 | 158 | 0.37 | |||
| (4) | σv (km s−1) | 366 | 0.0011 | 68 | 7.5×10−4 | 0.084 | 191 | 0.37 | 158 | 0.14 | |||
| (5) | log(Lr,CG4/L⊙) | 10.98 | 0.41 | 10.92 | 0.12 | 0.39 | 11.09 | 0.025 | 10.98 | 0.36 | |||
| (6) | log(ℳVT/M⊙) | 13.33 | 0.0032 | 12.03 | 0.0079 | 9.9×10−4 | 12.95 | 0.40 | 12.55 | 0.10 | |||
| (7) | tcr (Gyr) | 0.38 | 0.0026 | 1.8 | 0.0071 | 0.011 | 0.67 | 0.29 | 0.98 | 0.10 | |||
| (8) | log(ℳ200c/M⊙) | – | – | 12.86 | 0.022 | 0.15 | 13.83 | 0.0015 | 13.13 | 0.20 | |||
| (9) | ℳVT/Lr (ℳ⊙/L⊙) | 241 | 0.0020 | 13.3 | 0.024 | 0.0011 | 53 | 0.42 | 37 | 0.12 | |||
| (10) | ΔBGG−cen/〈Rij〉 | 0.55 | 0.48 | 0.58 | 0.36 | 0.08 | 0.52 | 0.40 | 0.55 | 0.49 | |||
| (11) | ΔvBGG/σv | 0.54 | 0.47 | 0.61 | 0.45 | 0.43 | 0.69 | 0.31 | 0.51 | 0.41 | |||
| (12) | LBGG/LCG4 | 0.60 | 0.34 | 0.52 | 0.047 | 0.12 | 0.65 | 0.14 | 0.63 | 0.42 | |||
| (13) | ΔMr12 | 1.15 | 0.47 | 0.65 | 0.035 | 0.09 | 1.32 | 0.26 | 1.14 | 0.47 | |||
Notes. The four CG classes are those of Zheng & Shen (2021). The values in the second row are the number of groups with the corresponding fractions in parentheses. Column titles pCG4 and pRG4 are the p-values of the difference of those medians with CG4 and RG4, respectively. They are both estimated through 106 random shuffles. Significant differences are displayed in bold, in red or blue for significantly higher or lower values compared to the reference value, respectively. Row (2) displays the number and fraction of CG4s of the given class. In row (8), ℳ200c is relative to the parent group of considered subgroups. We cannot compute ℳ200c for Split CG4s.
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