Table 3: Mean meatallicity values of M 3 variables within smaller and larger radial distances.
$\langle{\rm [Fe/H]}_{\rm spect}\rangle$ $\sigma$ N $\langle{\rm [Fe/H]}_{\rm phot}\rangle$ $\sigma$ N

$R<2\hbox{$.\mkern-4mu^\prime$ }5$ -1.08 0.23 3 -1.11 0.01 2

$R<3\hbox{$.\mkern-4mu^\prime$ }5$ -1.13 0.18 8 -1.24 0.14 5

$R>3\hbox{$.\mkern-4mu^\prime$ }5$ -1.28 0.22 20 -1.36 0.13 14

all -1.24 0.22 28 -1.33 0.14 19

**Table 3:** Mean meatallicity values of M 3 variables within smaller and larger radial distances.
	$\langle{\rm [Fe/H]}_{\rm spect}\rangle$	$\sigma$	N	$\langle{\rm [Fe/H]}_{\rm phot}\rangle$	$\sigma$	N
$R<2\hbox{$.\mkern-4mu^\prime$ }5$	-1.08	0.23	3	-1.11	0.01	2
$R<3\hbox{$.\mkern-4mu^\prime$ }5$	-1.13	0.18	8	-1.24	0.14	5
$R>3\hbox{$.\mkern-4mu^\prime$ }5$	-1.28	0.22	20	-1.36	0.13	14
all	-1.24	0.22	28	-1.33	0.14	19

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