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This article has an erratum: [https://doi.org/10.1051/0004-6361/200913413e]


Table 3

Results of our investigation into possible systematic errors in our procedures.

ID Shetrone RA(J2000) Dec(J2000)

BL239 Fnx-M25 02 39 47.09 –34 31 49.8
BL266 Fnx-M12 02 40 10.00 –34 29 58.8
BL278 Fnx-M21 02 40 04.38 –34 27 11.3
Check 1

Star T eff  log g [Fe/H] v t

BL239 4100 0.00 –1.30 2.2
BL266 4300 0.00 –1.60 2.0
BL278 4000 0.60 –0.60 1.7

Check 2

Star T eff  log g [Fe/H] v t

BL239 4100 0.00 –1.30 2.1
BL266 4200 0.00 –1.50 2.1
BL278 4000 0.60 –0.60 1.7

Check 3

Star T eff  log g [Fe/H] v t

BL239 4100 0.60 –1.00 2.0
BL266 4200 0.70 –1.50 1.9
BL278 4000 0.60 –0.70 2.0

Check 4

Star T eff  log g [Fe/H] v t

BL239 4100 0.60 –1.00 2.0
BL266 4200 0.70 –1.50 1.9
BL278 4000 0.60 –0.70 2.0

Check 5

Star T eff  log g [Fe/H] v t

BL239 4123 0.68 –0.91 2.1
BL266 4212 0.83 –1.44 2.0
BL278 4072 0.64 –0.72 2.3

Notes. The names of the three stars common to the present work and to S03 are given as are their coordinates. For each check we give the atmospheric parameters of the best fit models, Teff,  log g, [Fe/H] and vt.

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