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Table 5

Coefficients of the relevant P-C and P-L relations for P0 Cepheids.

SMC1 LMC2 Galaxy
[O/H] = 7.98 [O/H] = 8.36 [O/H] = 8.62
log P < 0.55 log P > 0.55 log P < 0.9 log P > 0.9
a b a b a b a b a b
(B − V)0 0.191 0.339 0.415 0.188 0.306 0.330 0.435 0.199 0.366 0.361
 ± 0.021  ± 0.005  ± 0.020  ± 0.018  ± 0.020  ± 0.012  ± 0.029  ± 0.036  ± 0.015  ± 0.013
(V − I)0 0.166 0.511 0.311 0.413 0.201 0.474 0.345 0.331 0.256 0.497
 ± 0.018  ± 0.005  ± 0.016  ± 0.014  ± 0.017  ± 0.010  ± 0.024  ± 0.030  ± 0.017  ± 0.016
 −3.007  −0.728  −2.091  −1.306  −2.491  −1.083  −2.021  −1.576  −2.692  −0.575
 ± 0.076  ± 0.022  ± 0.071  ± 0.063  ± 0.067  ± 0.040  ± 0.100  ± 0.123  ± 0.093  ± 0.107
 −3.203  −1.071  −2.531  −1.466  −2.787  −1.414  −2.505  −1.713  −3.087  −0.914
 ± 0.060  ± 0.018  ± 0.056  ± 0.050  ± 0.048  ± 0.029  ± 0.074  ± 0.091  ± 0.085  ± 0.098
 −3.374  −1.577  −2.842  −1.872  −3.008  −1.880  −2.812  −2.076  −3.348  −1.429
 ± 0.046  ± 0.013  ± 0.043  ± 0.038  ± 0.032  ± 0.019  ± 0.057  ± 0.069  ± 0.083  ± 0.097

Notes. Slope coefficients that agree to within 1σ are underlined.

(1)

Adopted at (TSR 08b, Table 6);

(2)

adopted at (TSR 08b, Table 7).

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