Table 5
Bayes factor comparing a nuclear origin versus a globular origin for local IMBH host candidates.
| Name | log(Mcl/M⊙) | σlog Mcl | log(MIMBH/M⊙) | σlog MIMBH |  |
|---|---|---|---|---|---|
| G1 | 6.76 | 0.02 | 4.25 | 0.11 | 2.35 |
| NGC5139 (ω Cen)† | 6.40 | 0.05 | ∼(3.77–3.91) | – | 2.04 |
| NGC6715 (M54) | 6.28 | 0.05 | 3.97 | 0.18 | 0.77 |
| NGC6388 | 6.04 | 0.08 | 4.23 | 0.18 | 0.21 |
| NGC6266 (M62) | 5.97 | 0.01 | 3.30 | 0.18 | 0.13 |
| NGC104 (47 Tuc)†† | 5.88 | 0.08 | 3.36 | (0.16, 0.28) | 0.13 |
| NGC2808 | 5.91 | 0.04 | 4.00 | – | 0.03 |
| NGC7078 (M15) | 5.79 | 0.02 | 3.64 | – | –0.15 |
| NGC6093 (M80) | 5.53 | 0.03 | 2.90 | – | –0.27 |
| NGC5824 | 5.65 | 0.03 | 3.78 | – | –0.29 |
| NGC1851 | 5.57 | 0.04 | 3.30 | – | –0.37 |
| NGC5286 | 5.45 | 0.02 | 3.17 | 0.24 | –0.47 |
| NGC5694 | 5.41 | 0.05 | 3.90 | – | –0.51 |
| NGC1904 (M79) | 5.15 | 0.03 | 3.47 | 0.12 | –0.77 |
Notes. Column 1 refers to the nomenclature of each GC; Columns 2 and 3 to the logarithm of the cluster mass and its uncertainty; Columns 4 and 5 the same as 2 and 3, but for the logarithm of the IMBH mass. Finally, Column 6 presents the logarithm of the Bayes factor evaluated as in Eq. (E.4). For all the clusters we consider the values in Lützgendorf et al. (2013b), with the exception of† (Häberle et al. 2024; Bañares-Hernández et al. 2025) and†† (Kızıltan et al. 2017).
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