Table 3.
Photometric stellar parameter selection and average photometric stellar parameters for the co-added group-averaged spectra.
| Group | No. of stars | S/N | T eff range (K) | log g range (dex) | Mean Teff (K) | Mean log g (dex) |
|---|---|---|---|---|---|---|
| RGB1 | 6 | 208 | 4692–4814 | 2.18–2.43 | 4747 ± 47 | 2.31 ± 0.10 |
| RGB2 | 18 | 308 | 4868–5074 | 2.64–3.08 | 4975 ± 60 | 2.88 ± 0.15 |
| RGB3 | 11 | 267 | 5001–5112 | 3.15–3.28 | 5078 ± 36 | 3.21 ± 0.05 |
| SGB1 | 2 | 81 | 5454–5523 | 3.76–3.81 | 5489 ± 48 | 3.78 ± 0.03 |
| SGB2 | 3 | 86 | 5620–5683 | 3.87–3.92 | 5642 ± 35 | 3.89 ± 0.02 |
| SGB3 | 7 | 122 | 5730–5815 | 3.89–3.98 | 5773 ± 37 | 3.93 ± 0.03 |
| TOP1 | 10 | 142 | 5824–5908 | 3.98–4.08 | 5868 ± 27 | 4.03 ± 0.03 |
| TOP2 | 10 | 129 | 5927–6021 | 3.97–4.14 | 5984 ± 34 | 4.08 ± 0.05 |
| TOP3 | 14 | 137 | 6041–6572 | 4.02–4.20 | 6212 ± 152 | 4.13 ± 0.06 |