Table 6.
Stellar iron abundances from the re-analysis of the Romaniello et al. (2008) archival sample.
CEP | FeI |
FeII |
||||||
---|---|---|---|---|---|---|---|---|
Abundance (a) | Dispersion (b) | Uncertainty (c) | Nlines | Abundance (a) | Dispersion (b) | Uncertainty (c) | Nlines | |
OGLE107 | −0.43 | 0.09 | 0.03 | 101 | −0.46 | 0.09 | 0.04 | 17 |
OGLE461 | −0.30 | 0.15 | 0.09 | 65 | −0.30 | 0.08 | 0.10 | 9 |
OGLE655 | −0.41 | 0.11 | 0.06 | 94 | −0.43 | 0.14 | 0.05 | 17 |
OGLE945 | −0.53 | 0.09 | 0.04 | 83 | −0.47 | 0.09 | 0.00 | 14 |
OGLE1100 | −0.33 | 0.12 | 0.07 | 79 | −0.35 | 0.19 | 0.04 | 18 |
OGLE1128 | −0.51 | 0.12 | 0.04 | 82 | −0.51 | 0.10 | 0.05 | 13 |
OGLE1290 | −0.37 | 0.13 | 0.05 | 59 | −0.36 | 0.07 | 0.04 | 7 |
OGLE1327 | −0.50 | 0.15 | 0.08 | 81 | −0.52 | 0.10 | 0.06 | 13 |
OGLE2337 | −0.36 | 0.09 | 0.04 | 87 | −0.36 | 0.11 | 0.04 | 15 |
OGLE2832 | −0.28 | 0.15 | 0.12 | 63 | −0.30 | 0.10 | 0.12 | 9 |
… | … | … | … | … | … | … | … | … |
Notes. This table is available in its entirety at the CDS. OGLE510/HV879 is in common between the two samples and it is considered here only once, namely in Table 5. Unless otherwise noted, in the following we refer to the FeI abundance simply as iron.
Logarithmic abundance with respect to hydrogen, in solar units: [Fe/H] ≡ A(Fe)star − A(Fe)⊙, where A(Fe) = log(NFe/NH)+12 and we adopt A(Fe)⊙ = 7.50 from Asplund et al. (2009).
Uncertainty in the abundance determination according to Cayrel et al. (2004), which includes the effects of covariance among the stellar parameters.
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