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Table 1
Photometric, kinematic, and atmospheric parameters of the target stars.
| Property | ALW-1 | ALW-8 | Referencea |
|
|
|||
| α (J2000.0) | 06:41:08.58 | 06:41:46.27 | 1 |
| δ (J2000.0) | −50:47:50.1 | −50:58:55.9 | 1 |
| V | 17.68 | 17.88 | 2 |
| I | 16.33 | 16.41 | 2 |
| J | 15.235 | 15.465 | 3 |
| H | 14.557 | 14.778 | 3 |
| K | 14.295 | 14.509 | 3 |
| E(B − V) | 0.053 | 0.064 | 4 |
| vHC [km s-1] | 226.2/256.2b | 223.3 | 5 |
| Teff [K] | ... | 4150 | 5 |
| log g | ... | 1.00 | 5 |
| ξ [km s-1] | ... | 2.3 | 5 |
| [Fe/H] | ~−2.8 | −2.5 | 5 |
| C/O | ... | 1.5 | 5 |
| 12C/13C | ... | 9 | 5 |
Notes.
(a)
References: 1: ALW; 2: Walker et al. (2009); 3: 2MASS (Cutri et al. 2003); 4: Schlegel et al. (1998); 5: this work.
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