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Table 8.
Color distribution fit parameters for the GC population of NGC 3640 and NGC 3641 using the ugri and gri catalogs, along with the blue/red fraction (f), the kurtosis (k), and the separation value (D).
| Galaxy | Color | ⟨μ1⟩ | ⟨σ1⟩ | ⟨μ2⟩ | ⟨σ2⟩ | ⟨fb(%)⟩ | ⟨fr(%)⟩ | ⟨κ⟩ | ⟨D⟩ | Catalog |
|---|---|---|---|---|---|---|---|---|---|---|
| (mag) | (mag) | (mag) | (mag) | |||||||
| NGC 3640 | g − i | 0.77 ± 0.01 | 0.05 ± 0.01 | ... | ... | ... | ... | ... | ... | ugri |
| u − r | 1.95 ± 0.03 | 0.22 ± 0.03 | ... | ... | ... | ... | ... | ... | ugri | |
| NGC 3641 | g − i | 0.780 ± 0.004 | 0.074 ± 0.002 | 1.02 ± 0.01 | 0.056 ± 0.005 | 74 | 26 | −0.75 ± 0.04 | 3.5 ± 0.1 | ugri |
| u − r | 2.03 ± 0.01 | 0.20 ± 0.01 | 2.47 ± 0.01 | 0.06 ± 0.01 | 91 | 9 | −0.13 ± 0.09 | 2.9 ± 0.3 | ugri | |
| NGC 3640 | g − i | 0.82 ± 0.03 | 0.22 ± 0.04 | ... | ... | ... | ... | ... | ... | gri |
| NGC 3641 | g − i | 0.82 ± 0.01 | 0.089 ± 0.052 | 1.03 ± 0.03 | 0.11 ± 0.01 | 60 | 40 | −0.39 ± 0.07 | 2.1 ± 0.3 | gri |
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