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Table 2

Stellar parameters and main results obtained from ISIS spectra.

Star N exp S/N a T eff Δ T eff log g Δ log g [ Fe / H ] Δ [ Fe / H ] [ C / Fe ] Δ [ C / Fe ]
1800 s [K] [K] [cm  s-2] [cm  s-2]

SDSS J015131+163944 10 40 6032 33 4.8 0.07 –3.8 0.05 1.3 0.35
SDSS J030444+391021 6 44 5859 13 5.0 0.01 –4.0 0.05 <0.7
SDSS J105519+232234 4 39 6232 28 4.9 0.03 –4.0 0.07 <0.7
SDSS J132917+542027 2 82 6322 18 4.7 0.03 –2.7 0.02 <0.7
SDSS J134157+513534 2 76 6358 18 4.8 0.02 –3.5 0.03 <0.7
SDSS J134338+484426 2 287 5888 4 4.1 0.01 –3.3 0.01 0.8 0.09
SDSS J152202+305526 6 86 5865 15 4.0 0.04 –3.7 0.02 0.8 0.24
SDSS J173329+332941 12 51 6325 29 4.7 0.05 –3.4 0.04 1.8 0.08
SDSS J200513104503 4 45 6361 38 4.6 0.06 –3.5 0.05 <0.7
SDSS J202109+601605 9 52 5973 28 4.7 0.07 –3.4 0.03 0.7 0.20
SDSS J204524+150825 4 61 5136 32 2.7 0.38 –3.8 0.02 0.3 0.28
SDSS J231027+231003 7 62 6213 20 4.4 0.05 –3.8 0.04 1.5 0.08
SDSS J222505+164322 6 50 5969 21 4.3 0.06 –3.4 0.04 0.8 0.39

HE 023303431 6 65 6150 16 4.9 0.02 –4.0 0.03 2.2 0.15
SDSS J1029+17292 6 69 5845 13 5.0 0.01 –4.4 0.04 0.4 b 0.75
SDSS J131300193,4 7 66 5525 17 3.6 0.05 –4.7 0.03 2.8 0.03
HE 132723265,6 2 133 6101 11 4.3 0.02 –4.8 0.03 3.0 0.03
G64126 2 321 6377 5 4.8 0.01 –3.2 0.01 0.4 b 0.15
SDSS J144200157 7 42 6036 31 4.9 0.08 –4.4 0.01 0.5 b 0.47

Notes. Δ is the internal uncertainty of the parameters derived with FERRE.

(a)

Signal-to-noise ratios have been calculated as the average of S/N values for the entire SDSS spectrum.

(b)

Values below our limit detection.

Reference.

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