Open Access
Table A.2
Definitions for the columns in Table A.1.
| Column name | details |
|---|---|
| source_id | Gaia DR3 Source ID |
| RA | Right accension in degrees, from APOGEE |
| DEC | Declination in degrees, from APOGEE |
| TEFF | Calibrated effective temperature, from APOGEE |
| TEFF_ERR | Uncertainty for the calibrated effective temperature, from APOGEE |
| LOGG | Calibrated surface gravity, from APOGEE |
| LOGG_ERR | Uncertainty for the calibrated surface gravity, from APOGEE |
| Visual inspection flag: 0, unanalysable spectrum; 1, useable Mg; | |
| Flag | 2, useable Si; 3, useable Mg and Si |
| Sample | Confidence sample flag: 0, unanalysable spectrum; 1, high-confidence sample; 2, low confidence sample |
| S/N | Signal-to-noise ratio measured by APOGEE, per pixel |
| M_H | Weighted [M/H] as calculated in Sect. 3.4 |
| M_H_unc | Weighted uncertainty for the weighted [M/H] |
| Mg_H | [Mg/H] as calculated in Sect. 3.4 |
| Mg_H_lower | Lower uncertainty estimate for [Mg/H] |
| Mg_H_upper | Upper uncertainty estimate for [Mg/H] |
| Si_H | [Si/H] as calculated in Sect. 3.4 |
| Si_H_lower | Lower uncertainty estimate for [Si/H] |
| Si_H_upper | Upper uncertainty estimate for [Si/H] |
| Lit. spec | Stars marked * have a spectroscopic metallicity from the literature sources used in Paper I, |
| Viswanathan et al. 2024; Matsuno et al. 2024; Buder et al. 2025; Suda et al. 2008 | |
| DESI Collaboration 2025; Arentsen et al. 2020; Aguado et al. 2016 | |
| Aguado et al. 2019; Deng et al. 2012; Sneden et al. 2000; Fabrizio et al. 2012; Xue et al. 2014 | |
| Tan et al. 2014; Walker et al. 2015; Spencer et al. 2018; Reichert et al. 2020; Dietz et al. 2020 | |
| Limberg et al. 2021; Shank et al. 2022; Olivares Carvajal et al. 2022; Oh et al. 2023 | |
| Region | Region of the Local Group the star is assigned to in Paper I: H, halo; I, inner sample RGC < 3.5 kpc Apomean < 5 kpc; |
| O, outer sample RGC < 3.5 kpc 5 kpc < Apomean < 15 kpc; C, confined sample zmax < 3.5 kpc Apomean > 3.5 kpc; | |
| LMC, Large Magellanic Cloud; SMC, Small Magellanic Cloud; other dwarf galaxies have their names written out | |
| EMP | Extremely metal-poor star candidates |
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