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Table 3.

Multiband period–luminosity relations for MW Cepheids.

Band αλ βλ σABL N
All (FU+FO) Cepheids (log P0 = 1.0 days)
G −4.98 ± 0.07 −3.30 ± 0.10 0.04 71
BP −4.42 ± 0.08 −2.88 ± 0.11 0.04 70
RP −4.95 ± 0.05 −2.84 ± 0.08 0.03 70
g −4.29 ± 0.08 −2.78 ± 0.12 0.04 68
r −4.40 ± 0.07 −2.62 ± 0.10 0.04 70
i −4.60 ± 0.06 −2.73 ± 0.09 0.04 70
z −4.63 ± 0.05 −2.73 ± 0.08 0.04 73
J −5.65 ± 0.04 −2.99 ± 0.07 0.02 68
H −6.02 ± 0.04 −3.23 ± 0.07 0.02 70
Ks −6.06 ± 0.04 −3.26 ± 0.07 0.02 69
Only FU Cepheids (log P0 = 1.0 days)
G −5.06 ± 0.06 −3.12 ± 0.14 0.04 43
BP −4.47 ± 0.07 −2.70 ± 0.16 0.04 43
RP −4.98 ± 0.05 −2.74 ± 0.11 0.04 45
g −4.30 ± 0.09 −2.81 ± 0.18 0.04 41
r −4.44 ± 0.07 −2.50 ± 0.14 0.04 43
i −4.62 ± 0.05 −2.61 ± 0.12 0.04 45
z −4.65 ± 0.05 −2.55 ± 0.11 0.05 45
J −5.67 ± 0.04 −2.85 ± 0.10 0.02 42
H −6.03 ± 0.04 −3.03 ± 0.10 0.02 44
Ks −6.05 ± 0.04 −3.10 ± 0.10 0.02 44
Only FO Cepheids (log P0 = 0.4 days)
G −3.42 ± 0.07 −3.01 ± 0.28 0.04 27
BP −3.06 ± 0.08 −2.66 ± 0.32 0.04 27
RP −3.64 ± 0.05 −2.80 ± 0.22 0.03 27
g −3.02 ± 0.09 −2.52 ± 0.35 0.04 27
r −3.18 ± 0.07 −2.58 ± 0.27 0.04 27
i −3.33 ± 0.06 −2.80 ± 0.22 0.04 27
z −3.38 ± 0.05 −3.05 ± 0.19 0.04 28
J −4.27 ± 0.05 −3.21 ± 0.17 0.03 27
H −4.54 ± 0.04 −3.47 ± 0.15 0.03 28
Ks −4.57 ± 0.04 −3.44 ± 0.15 0.02 26

Notes. The zero-point (α), slope (β), dispersion (σABL) of ABL fits, and the number of stars (N) in the final PL relations are listed.

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