Open Access
Table E.2
Column description of the published solar twin catalog.
| Column | Unit | Description |
|---|---|---|
| GDR3_source_id | — | Gaia DR3 source_id |
| 2MASS | — | 2MASS designation |
| RAdeg | deg | Right ascension in Gaia DR3 |
| DEdeg | deg | Declination in Gaia DR3 |
| Teff | K | Calibrated GSP-Spec effective temperature, Teff |
| logg | (cgs) | Calibrated GSP-Spec surface gravity, log g |
| [M/H] | dex | Calibrated GSP-Spec current surface metallicity, [M/H]curr |
| [alpha/M] | dex | GSP-Spec α abundance, [α/Fe] |
| A0 | mag | Monochromatic extinction, A0 |
| BJ21_rgeo | pc | Geometric distance from Bailer-Jones et al. (2021)α |
| GMag | mag | Absolute magnitude in the G band of Gaia DR3 |
| BPMag | mag | Absolute magnitude in the BP band of Gaia DR3 |
| RPMag | mag | Absolute magnitude in the RP band of Gaia DR3 |
| JMag | mag | Absolute magnitude in the J band of 2MASS |
| HMag | mag | Absolute magnitude in the H band of 2MASS |
| KsMag | mag | Absolute magnitude in the Ks band of 2MASS |
| Age(logg) | Gyr | Age determined with logg |
| Mini(logg) | M⊙ | Initial mass Mini determined with logg |
| [M/H]ini(logg) | dex | Initial metallicity [M/H]ini determined with logg |
| Age(GMag) | Gyr | Age determined with GMag |
| Mini(GMag) | M⊙ | Initial mass Mini determined with GMag |
| [M/H]ini(GMag) | dex | Initial metallicity [M/H]ini determined with GMag |
| Age(KsMag) | Gyr | Age determined with KsMag |
| Mini(KsMag) | M⊙ | Initial mass Mini determined with KsMag |
| [M/H]ini(KsMag) | dex | Initial metallicity [M/H]ini determined with KsMag |
| ecc | Eccentricity | |
| Lz | Sun | Vertical angular momentum |
| Rg | kpc | Guiding radius |
| Rapo | kpc | Apocenter distance |
| Rperi | kpc | Pericenter distance |
| Zmax | kpc | Maximum vertical distance |
| [X/Fe] | dex | Calibrated X abundance in Gaia DR3 GSP-Speca |
| APOGEEDR17_FE_H | dex | Iron abundance in APOGEE DR17 (Majewski et al. 2017; Abdurro’uf et al. 2022) |
| APOGEEDR17_X_FE | dex | X abundance in APOGEE DR17a |
| GALAHDR4_fe_h | dex | Iron abundance in GALAH DR4 (De Silva et al. 2015; Buder et al. 2025)a |
| GALAHDR4_x_fe | dex | X abundance in GALAH DR4a |
| exoplanet | — | Known exoplanet in NASA Exoplanet Archive (Christiansen et al. 2025)?a |
Notes. We recommend using age, Mini, and [M/H]ini determined from MKs. (a)These literature values are provided for quick analyses using this data set. Interested users must check the up-to-date data and cite original papers.
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