Galactic bulge population II Cepheids in the VVV survey: period-luminosity relations and a distance to the Galactic centre

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Table 2

Galactic bulge Type II Cepheid PLRs.

Band	Type	Slope	Intercept	σ	N

W _V,I	B+W	−2.294 ± 0.055	11.511 ± 0.030	0.342	212
J	BLH	−2.387 ± 0.164	11.393 ± 0.132	0.347	106
J	WVI	−2.037 ± 0.096	11.476 ± 0.012	0.242	93
J	B+W	−2.240 ± 0.031	11.495 ± 0.009	0.316	203
H	BLH	−2.591 ± 0.163	11.019 ± 0.130	0.353	104
K _s	BLH	−2.362 ± 0.170	11.071 ± 0.133	0.294	108
K _s	WVI	−2.373 ± 0.272	11.194 ± 0.034	0.194	95
K _s	B+W	−2.189 ± 0.056	11.187 ± 0.032	0.234	201

Notes. B+W: BL Herculis and W Virginis.

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