Table 3: Iron abundance ( $[{\rm Fe/H}]$ ) for the Sun determined from Solar atlas spectrum (Wallace et al. 1998) and FEROS spectra, respectively. 131 Fe I and 20 Fe II lines, measured in both spectra, were used. Results from ATLAS9 models and MARCS models are compared.
Fe I Fe II

ATLAS9:

Solar atlas $+0.11 \pm 0.10$ $-0.02 \pm 0.07$

FEROS $+0.11 \pm 0.10$ $-0.04 \pm 0.07$

MARCS:

Solar atlas $+0.07 \pm 0.09$ $+0.00 \pm 0.10$

FEROS $+0.07 \pm 0.10$ $-0.01 \pm 0.09$

**Table 3:** Iron abundance ( $[{\rm Fe/H}]$ ) for the Sun determined from Solar atlas spectrum (Wallace et al. 1998) and FEROS spectra, respectively. 131 Fe I and 20 Fe II lines, measured in both spectra, were used. Results from ATLAS9 models and MARCS models are compared.
	Fe I	Fe II
ATLAS9:
Solar atlas	$+0.11 \pm 0.10$	$-0.02 \pm 0.07$
FEROS	$+0.11 \pm 0.10$	$-0.04 \pm 0.07$
MARCS:
Solar atlas	$+0.07 \pm 0.09$	$+0.00 \pm 0.10$
FEROS	$+0.07 \pm 0.10$	$-0.01 \pm 0.09$

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