Table 3.
Configuration and input parameters of t-SNE+HDBSCAN.
| t-SNE configuration | |||
|---|---|---|---|
| Survey | Input | Perplexity | Random state |
| APOGEE DR17 | [(Mg, Mn, Al, Si)/Fe] + AgeSH | 80 | 50 |
| GALAH DR3 | [(Mg, Al, Si, Ni, Zn, Y, Ba)/Fe] + AgeSH | 100 | 50 |
| LAMOST DR7 | [(C, Mg, Si)/Fe] + AgeSH | 45 | 150 |
| HDBSCAN configuration | |||
| Survey | min_cluster_size | min_samples | cluster_selection_epsilon |
| APOGEE DR17 | 38 | 1 | 0.6 |
| GALAH DR3 | 45 | 15 | 1.7 |
| LAMOST DR7 | 207 | 8 | 1.95 |
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