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Table 1.

Determined coefficients of PL and PW relations for Galactic T2Ceps.

Band Type aλ bλ rms N aλ bλ rms N
(parallax): (ABL method):
g −1.231 ± 0.528 −0.174 ± 0.077 0.24 14 −1.137 ± 0.597 −0.153 ± 0.087 0.24 14
r −1.430 ± 0.461 −0.455 ± 0.068 0.21 14 −1.323 ± 0.534 −0.436 ± 0.078 0.21 14
BL Her i −1.729 ± 0.442 −0.513 ± 0.065 0.20 14 −1.629 ± 0.531 −0.495 ± 0.078 0.20 14
(log P0 = 0.3) Wrri −2.431 ± 0.483 −0.653 ± 0.069 0.23 15 −2.381 ± 0.617 −0.636 ± 0.090 0.23 15
Wrgr −1.996 ± 0.428 −1.270 ± 0.061 0.21 15 −1.923 ± 0.504 −1.255 ± 0.073 0.21 15
Wggi −2.240 ± 0.383 −0.923 ± 0.055 0.19 15 −2.155 ± 0.457 −0.909 ± 0.066 0.19 15
g −1.144 ± 1.322 −1.557 ± 0.139 0.39 10 −1.251 ± 1.231 −1.530 ± 0.138 0.40 10
r −1.180 ± 1.170 −2.017 ± 0.123 0.35 10 −1.236 ± 1.104 −1.995 ± 0.123 0.35 10
W Vir i −1.297 ± 1.087 −2.172 ± 0.114 0.32 10 −1.322 ± 1.045 −2.151 ± 0.117 0.32 10
(log P0 = 1.2) Wrri −1.635 ± 0.930 −2.648 ± 0.096 0.28 11 −1.540 ± 0.933 −2.627 ± 0.103 0.28 11
Wrgr −1.214 ± 1.082 −3.366 ± 0.111 0.33 11 −1.123 ± 1.024 −3.340 ± 0.111 0.33 11
Wggi −1.450 ± 0.971 −2.963 ± 0.100 0.29 11 −1.357 ± 0.948 −2.941 ± 0.104 0.30 11
g −1.508 ± 0.135 −0.804 ± 0.066 0.31 24 −1.471 ± 0.155 −0.777 ± 0.077 0.31 24
r −1.709 ± 0.120 −1.167 ± 0.058 0.27 24 −1.673 ± 0.144 −1.144 ± 0.072 0.28 24
BL Her+W Vir i −1.838 ± 0.112 −1.262 ± 0.054 0.26 24 −1.817 ± 0.143 −1.243 ± 0.072 0.26 24
(log P0 = 0.7) Wrri −2.251 ± 0.108 −1.543 ± 0.051 0.25 26 −2.275 ± 0.176 −1.536 ± 0.088 0.25 26
Wrgr −2.315 ± 0.115 −2.229 ± 0.055 0.27 26 −2.276 ± 0.156 −2.204 ± 0.078 0.27 26
Wggi −2.279 ± 0.101 −1.844 ± 0.048 0.24 26 −2.270 ± 0.138 −1.830 ± 0.069 0.24 26
(geometric): (photogeometric):
g −1.218 ± 0.511 −0.182 ± 0.075 0.24 14 −1.149 ± 0.557 −0.154 ± 0.082 0.26 14
r −1.417 ± 0.441 −0.463 ± 0.065 0.20 14 −1.348 ± 0.493 −0.435 ± 0.072 0.23 14
BL Her i −1.716 ± 0.422 −0.521 ± 0.062 0.19 14 −1.647 ± 0.471 −0.493 ± 0.069 0.22 14
(log P0 = 0.3) Wrri −2.415 ± 0.471 −0.660 ± 0.068 0.23 15 −2.359 ± 0.492 −0.634 ± 0.070 0.24 15
Wrgr −1.981 ± 0.409 −1.278 ± 0.059 0.20 15 −1.924 ± 0.454 −1.252 ± 0.065 0.22 15
Wggi −2.225 ± 0.365 −0.931 ± 0.052 0.18 15 −2.168 ± 0.401 −0.905 ± 0.058 0.19 15
g −1.082 ± 1.347 −1.579 ± 0.142 0.40 10 −1.107 ± 1.298 −1.515 ± 0.136 0.39 10
r −1.118 ± 1.199 −2.039 ± 0.126 0.36 10 −1.143 ± 1.142 −1.975 ± 0.120 0.34 10
W Vir i −1.235 ± 1.112 −2.194 ± 0.117 0.33 10 −1.260 ± 1.068 −2.130 ± 0.112 0.32 10
(log P0 = 1.2) Wrri −1.588 ± 0.932 −2.667 ± 0.096 0.28 11 −1.585 ± 0.946 −2.608 ± 0.097 0.29 11
Wrgr −1.167 ± 1.107 −3.385 ± 0.114 0.34 11 −1.165 ± 1.059 −3.326 ± 0.109 0.32 11
Wggi −1.403 ± 0.985 −2.981 ± 0.101 0.30 11 −1.401 ± 0.969 −2.923 ± 0.100 0.29 11
g −1.522 ± 0.136 −0.820 ± 0.066 0.31 24 −1.478 ± 0.137 −0.776 ± 0.066 0.31 24
r −1.722 ± 0.121 −1.183 ± 0.058 0.28 24 −1.678 ± 0.121 −1.139 ± 0.059 0.28 24
BL Her+W Vir i −1.851 ± 0.112 −1.278 ± 0.055 0.26 24 −1.807 ± 0.114 −1.234 ± 0.055 0.26 24
(log P0 = 0.7) Wrri −2.262 ± 0.107 −1.558 ± 0.051 0.25 26 −2.222 ± 0.110 −1.517 ± 0.052 0.26 26
Wrgr −2.326 ± 0.116 −2.244 ± 0.055 0.27 26 −2.286 ± 0.116 −2.203 ± 0.055 0.27 26
Wggi −2.290 ± 0.101 −1.858 ± 0.048 0.24 26 −2.250 ± 0.103 −1.818 ± 0.049 0.24 26

Notes. Type: variability class; band: the Pan-STARRS gP1rP1iP1 bands; aλ: slope of the fit; bλ: zero point of the fit; rms: a root mean square of derived relations; N: number of stars used for fitting.

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