Table 2
Programme RGB stars in ω Cen: physical parameters.
| Star | [Fe/H] | [Ca/H] | T eff | log g | BCK | M bol | log L/L⊙ | R/R⊙ | M/M⊙ | V exp | Ṁ |
| ±100 K | ±0.2 dex | (km s-1) | (M⊙ yr-1) | ||||||||
|
|
|||||||||||
| ROA159 | –1.721 | –1.37 | 4200 | 0.9 | 2.386 | –2.64 | 2.952 | 56 | 0.88 | 5 | 1.1 × 10-9 |
| ROA256 | –1.711 | mp | 4300 | 1.1 | 2.316 | –2.23 | 2.788 | 45 | 0.87 | 15 | 6.0 × 10-9 |
| ROA238 | –1.801 | –1.34 | 4200 | 1.2 | 2.386 | –1.99 | 2.692 | 42 | 0.90 | 15 | 3.2 × 10-9 |
| WFI321293 | –0.72 | –0.35 | 4200 | 1.6 | 2.386 | –0.90 | 2.256 | 25 | 0.87 | ... | ... |
| ROA523 | –0.65 | –0.25 | 4200 | 1.4 | 2.386 | –1.62 | 2.544 | 35 | 1.14 | 40 | 5.0 × 10-10 |
| WFI140419 | –0.68 | –0.34 | 4200 | 1.5 | 2.386 | –1.28 | 2.408 | 30 | 1.05 | ... | ... |
Notes. The parameters in Cols. 2−5 are taken from P03 (the notation mp for ROA256 means metal poor), and BCK are derived from P03 temperatures and the calibration by Montegriffo et al. (1998). For the expansion velocities and mass outflow rates in Cols. 11 and 12 see Sect. 5.1.
These values are from Cayrel de Strobel et al. (2001).
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