Table 3: Set #3: SDSS RR Lyrae stars in the Galactic halo.
ID Period (d) ${\varphi _{31}}$ [Fe/H] [Fe/H] $_{\rm Layden}$ $\sigma_{\rm [Fe/H]}$
1 0.552281 5.11936 -1.38 -1.65 0.19
5 0.615099 5.40388 -1.42 -1.69 0.28
7 0.588000 5.17437 -1.51 -1.79 0.23
12 0.587633 5.22300 -1.46 -1.73 0.22
14 0.608022 5.85473 -0.91 -1.16 0.20
21 0.612120 4.77138 -2.06 -2.36 0.28
23 0.523110 4.41584 -1.95 -2.25 0.17
24 0.596015 5.74087 -0.96 -1.21 0.38
25 0.800898 5.61235 -2.19 -2.50 0.17
27 0.596109 5.37598 -1.34 -1.61 0.14
34 0.562213 5.42900 -1.11 -1.36 0.15
37 0.598353 5.19618 -1.54 -1.82 0.15
44 0.528236 5.06653 -1.30 -1.57 0.25
45 0.561698 5.32247 -1.21 -1.48 0.15
49 0.547890 5.67561 -0.77 -1.02 0.19
59 0.522958 5.05802 -1.28 -1.55 0.25
71 0.460702 4.76450 -1.26 -1.52 0.16
76 0.577865 4.76634 -1.88 -2.18 0.17
79 0.572610 5.20478 -1.40 -1.67 0.26
97 0.547472 5.27824 -1.18 -1.45 0.25
103 0.483590 4.70712 -1.44 -1.71 0.16
104 0.602988 5.50416 -1.25 -1.51 0.15
109 0.730896 5.36499 -2.08 -2.38 0.15
115 0.554167 5.18484 -1.32 -1.59 0.16
120 0.612234 6.04222 -0.73 -0.98 0.21
121 0.426879 5.66504 -0.14 -0.35 0.30
124 0.561183 5.46345 -1.06 -1.32 0.45
128 0.621765 5.04672 -1.82 -2.11 0.16
134 0.643060 5.33914 -1.63 -1.91 0.14
137 0.609840 5.37539 -1.42 -1.69 0.17
144 0.580523 5.48349 -1.15 -1.41 0.21
Notes: The ID of RR Lyrae star as given in Wu et al. (2005); [Fe/H]: iron abundance calculated from Fourier parameters and in the scale of JK96; [Fe/H] $_{\rm Layden}$: iron abundance in the scale of L94 transformed using the formula of JK96, i.e. $\rm [Fe/H]_{Layden}= ([Fe/H]-0.200)/0.957$.

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