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Table 3.
Log of FEROS and IDS spectra for blue stars and stellar atmospheric parameters derived from them.
| Star | Sp T | texp (s) | S/N | vrad (km s−1) | v sin i (km s−1) | ζ (km s−1) | Teff (K) | log g |
|---|---|---|---|---|---|---|---|---|
| FEROS | ||||||||
| 1 | A2 Ib | 1350 | 160 | 55.57 ± 0.25 | 25.3 ± 0.2 | 22.4 ± 0.7 | 8250 ± 1000 | 1.9 ± 0.4 |
| 7 | A3 Ib | 1500 | 150 | 60.12 ± 0.21 | 24.1 ± 1.0 | 24.7 ± 3.3 | 8250 ± 1000 | 2.0 ± 0.3 |
| 28 | B3 IV | 1000 | 70 | 49.06 ± 0.57 | 29.7 ± 2.7 | 32.0 ± 2.0 | 16 000 ± 1400 | 3.7 ± 0.2 |
| LS 193 | B3 IV | 1000 | 70 | 56.96 ± 0.61 | 43.2 ± 1.2 | 15.5 ± 3.2 | 16 000 ± 1300 | 3.7 ± 0.1 |
| IDS | ||||||||
| 4 | B4 III | 3600 | 80 | 62.16 ± 0.98 | 170 | – | 15 000 ± 1000 | 3.3 ± 0.1 |
| 22 | B4 III | 3600 | 80 | 56.89 ± 1.44 | 210 | – | 14 000 ± 1000 | 3.0 ± 0.1 |
| 35 | B4 IIIe | 3200 | 110 | 57.52 ± 0.24 | 210 | – | 15 000 ± 1000 | 3.0 ± 0.1 |
| 47 | B4 V | 1800 | 80 | 56.30 ± 1.69 | 90 | – | 15 000 ± 1000 | 3.7 ± 0.1 |
| 51 | B3 IV | 3600 | 80 | 57.67 ± 2.00 | 110 | – | 16 000 ± 1000 | 3.5 ± 0.1 |
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