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Table 6
Coefficients of the colour–colour polynomial fittings using the Johnson-Cousins and SDSS passbands.
Johnson-Cousins | SDSS | ||||||||||
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Pure-H ( T eff > 5000 K) | |||||||||||
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Colour | Zero point | V − IC | (V − IC)2 | (V − IC)3 | σ | Colour | Zero point | g − i | (g − i)2 | (g − i)3 | σ |
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G − G BP | –0.0106 | –0.4093 | 0.3189 | –0.3699 | 0.009 | G − G BP | –0.1186 | –0.3188 | –0.0276 | –0.0390 | 0.007 |
G − G RP | 0.0187 | 0.7797 | –0.4716 | 0.3166 | 0.009 | G − G RP | 0.2214 | 0.5655 | –0.0756 | –0.0596 | 0.008 |
G − G RVS | 0.0517 | 1.0443 | –0.6142 | 0.4035 | 0.013 | G − G RVS | 0.3246 | 0.7604 | –0.1031 | –0.0871 | 0.009 |
GBP – GRP | 0.0292 | 1.1890 | –0.7905 | 0.6865 | 0.019 | GBP – GRP | 0.3400 | 0.8843 | –0.0480 | –0.0206 | 0.013 |
G − V | 0.0495 | –0.0907 | –0.6233 | 0.4240 | 0.013 | G − g | –0.1020 | –0.5132 | –0.0980 | –0.0077 | 0.003 |
V − G RVS | 0.0022 | 1.1350 | 0.0091 | –0.0205 | 0.001 | G − G RVS | 0.4266 | 1.2736 | –0.0051 | –0.0794 | 0.007 |
V − G BP | –0.0601 | –0.3186 | 0.9421 | –0.7939 | 0.021 | G − G BP | –0.0166 | 0.1943 | 0.0704 | –0.0313 | 0.009 |
V − G RP | –0.0308 | 0.8704 | 0.1516 | –0.1073 | 0.004 | G − G RP | 0.3234 | 1.0787 | 0.0224 | –0.0519 | 0.005 |
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Color | Zero point | V − R | (V − R)2 | (V − R)3 | σ | Colour | Zero point | g − r | (g − r)2 | (g − r)3 | σ |
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G − G BP | –0.0232 | –0.9322 | 1.9936 | –3.8732 | 0.015 | G − G BP | –0.0891 | –0.5172 | –0.0306 | –0.0206 | 0.007 |
G − G RP | 0.0427 | 1.7388 | –3.2195 | 4.3387 | 0.019 | G − G RP | 0.1658 | 0.9376 | –0.1314 | –0.3685 | 0.011 |
G − G RVS | 0.0838 | 2.3270 | –4.2247 | 5.6185 | 0.026 | G − G RVS | 0.2498 | 1.2602 | –0.1749 | –0.5183 | 0.014 |
GBP – GRP | 0.0659 | 2.6710 | –5.2132 | 8.2118 | 0.034 | GBP – GRP | 0.2550 | 1.4548 | –0.1008 | –0.3480 | 0.016 |
G − V | 0.0473 | –0.1712 | –2.8314 | 4.0591 | 0.017 | G − g | –0.0555 | –0.8062 | –0.2123 | 0.1398 | 0.003 |
V − G RVS | 0.0366 | 2.4982 | –1.3933 | 1.5594 | 0.010 | G − G RVS | 0.3053 | 2.0664 | 0.0374 | –0.6581 | 0.015 |
V − G BP | –0.0704 | –0.7610 | 4.8250 | –7.9323 | 0.032 | G − G BP | –0.0336 | 0.2889 | 0.1817 | –0.1604 | 0.009 |
V − G RP | –0.0045 | 1.9100 | –0.3881 | 0.2796 | 0.003 | G − G RP | 0.2214 | 1.7438 | 0.0809 | –0.5083 | 0.011 |
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Colour | Zero point | R − I | (R − I)2 | (R − I)3 | σ | Colour | Zero point | r − i | (r − i)2 | (r − i)3 | σ |
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G − G BP | 0.0002 | –0.7288 | 0.7736 | –2.3657 | 0.007 | G − G BP | –0.1647 | –0.8976 | –0.9866 | –2.5767 | 0.008 |
G − G RP | –0.0015 | 1.4227 | –0.9942 | 1.4162 | 0.006 | G − G RP | 0.3038 | 1.4093 | –0.2031 | 0.8241 | 0.008 |
G − G RVS | 0.0247 | 1.9071 | –1.2742 | 1.7530 | 0.007 | G − G RVS | 0.4355 | 1.8921 | –0.3275 | 0.9117 | 0.008 |
GBP – GRP | –0.0017 | 2.1515 | –1.7679 | 3.7820 | 0.013 | GBP – GRP | 0.4685 | 2.3069 | 0.7835 | 3.4008 | 0.015 |
G − V | 0.0509 | –0.1835 | –2.1595 | 2.7057 | 0.010 | G − g | –0.1796 | –1.5031 | –1.6721 | –2.4821 | 0.009 |
V − G RVS | –0.0262 | 2.0906 | 0.8853 | –0.9527 | 0.007 | G − G RVS | 0.6150 | 3.3952 | 1.3446 | 3.3938 | 0.012 |
V − G BP | –0.0507 | –0.5453 | 2.9331 | –5.0714 | 0.015 | G − G BP | 0.0149 | 0.6055 | 0.6855 | –0.0945 | 0.010 |
V − G RP | –0.0524 | 1.6062 | 1.1653 | –1.2894 | 0.009 | G − G RP | 0.4834 | 2.9124 | 1.4690 | 3.3062 | 0.012 |
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Colour | Zero point | B − V | (B − V)2 | (B − V)3 | σ | Colour | Zero point | g − z | (g − z)2 | (g − z)3 | σ |
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G − G BP | 0.0700 | –0.5674 | –0.4765 | 0.4891 | 0.015 | G − G BP | –0.1488 | –0.2450 | –0.0313 | –0.0325 | 0.006 |
G − G RP | –0.1251 | 1.0288 | 0.8762 | –1.2221 | 0.033 | G − G RP | 0.2756 | 0.4128 | –0.0513 | –0.0099 | 0.004 |
G − G RVS | –0.1404 | 1.3779 | 1.1891 | –1.6605 | 0.044 | G − G RVS | 0.3973 | 0.5549 | –0.0713 | –0.0170 | 0.004 |
GBP – GRP | –0.1951 | 1.5962 | 1.3527 | –1.7112 | 0.047 | GBP – GRP | 0.4244 | 0.6579 | –0.0201 | 0.0226 | 0.008 |
G − V | 0.0607 | –0.1378 | –0.8979 | 0.7349 | 0.020 | G − g | –0.1508 | –0.4044 | –0.0731 | –0.0219 | 0.006 |
V − G RVS | –0.2011 | 1.5157 | 2.0870 | –2.3954 | 0.063 | G − G RVS | 0.5481 | 0.9593 | 0.0018 | 0.0049 | 0.002 |
V − G BP | 0.0093 | –0.4297 | 0.4214 | –0.2458 | 0.006 | G − G BP | 0.0020 | 0.1594 | 0.0418 | –0.0106 | 0.010 |
V − G RP | –0.1858 | 1.1666 | 1.7741 | –1.9570 | 0.052 | G − G RP | 0.4264 | 0.8173 | 0.0217 | 0.0120 | 0.003 |
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Pure-He (All T eff ) | |||||||||||
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Colour | Zero point | V − IC | (V − IC)2 | (V − IC)3 | σ | Colour | Zero point | g − i | (g − i)2 | (g − i)3 | σ |
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G − G BP | 0.0372 | –0.4155 | –0.0864 | 0.0149 | 0.005 | G − G BP | –0.1127 | –0.3463 | –0.0320 | 0.0028 | 0.004 |
G − G RP | –0.0166 | 0.7803 | –0.1451 | 0.0067 | 0.004 | G − G RP | 0.2307 | 0.5106 | –0.0860 | 0.0063 | 0.004 |
G − G RVS | –0.0076 | 1.0204 | –0.1584 | 0.0035 | 0.006 | G − G RVS | 0.3194 | 0.6817 | –0.0984 | 0.0063 | 0.008 |
GBP – GRP | –0.0538 | 1.1958 | –0.0587 | –0.0082 | 0.009 | GBP – GRP | 0.3434 | 0.8568 | –0.0539 | 0.0034 | 0.007 |
G − V | –0.0085 | –0.1051 | –0.1541 | 0.0046 | 0.006 | G − g | –0.1051 | –0.5219 | –0.0949 | 0.0065 | 0.001 |
V − G RVS | 0.0009 | 1.1255 | –0.0043 | –0.0011 | 0.002 | G − G RVS | 0.4244 | 1.2036 | –0.0035 | –0.0002 | 0.007 |
V − G BP | 0.0456 | –0.3104 | 0.0676 | 0.0103 | 0.010 | G − G BP | –0.0076 | 0.1756 | 0.0629 | –0.0036 | 0.004 |
V − G RP | –0.0082 | 0.8854 | 0.0089 | 0.0021 | 0.003 | G − G RP | 0.3358 | 1.0324 | 0.0090 | –0.0002 | 0.003 |
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Colour | Zero point | V − R | (V − R)2 | (V − R)3 | σ | Colour | Zero point | g − r | (g − r)2 | (g − r)3 | σ |
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G − G BP | 0.0410 | –0.8360 | –0.3441 | 0.1642 | 0.006 | G − G BP | –0.0758 | –0.5153 | –0.0698 | 0.0054 | 0.007 |
G − G RP | –0.0238 | 1.5787 | –0.6202 | 0.0600 | 0.010 | G − G RP | 0.1743 | 0.8064 | –0.2102 | 0.0258 | 0.007 |
G − G RVS | –0.0169 | 2.0629 | –0.6808 | 0.0292 | 0.015 | G − G RVS | 0.2443 | 1.0710 | –0.2412 | 0.0271 | 0.012 |
GBP – GRP | –0.0647 | 2.4147 | –0.2761 | –0.1042 | 0.016 | GBP – GRP | 0.2501 | 1.3217 | –0.1403 | 0.0204 | 0.013 |
G − V | –0.0073 | –0.2094 | –0.6447 | 0.1165 | 0.006 | G − g | –0.0500 | –0.7598 | –0.2141 | 0.0145 | 0.006 |
V − G RVS | –0.0096 | 2.2723 | –0.0361 | –0.0873 | 0.013 | G − G RVS | 0.2943 | 1.8309 | –0.0271 | 0.0126 | 0.018 |
V − G BP | 0.0483 | –0.6266 | 0.3006 | 0.0477 | 0.012 | G − G BP | –0.0258 | 0.2446 | 0.1443 | –0.0091 | 0.003 |
V − G RP | –0.0164 | 1.7881 | 0.0245 | –0.0565 | 0.008 | G − G RP | 0.2243 | 1.5662 | 0.0039 | 0.0113 | 0.013 |
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Colour | Zero point | R − I | (R − I)2 | (R − I)3 | σ | Colour | Zero point | r − i | (r − i)2 | (r − i)3 | σ |
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G − G BP | 0.0334 | –0.8238 | –0.3379 | 0.0480 | 0.008 | G − G BP | –0.1866 | –1.0602 | –0.2816 | 0.1400 | 0.006 |
G − G RP | –0.0104 | 1.5351 | –0.5160 | 0.0353 | 0.007 | G − G RP | 0.3332 | 1.3942 | –0.6660 | 0.0952 | 0.006 |
G − G RVS | 0.0007 | 2.0093 | –0.5587 | 0.0195 | 0.007 | G − G RVS | 0.4570 | 1.8812 | –0.7615 | 0.0749 | 0.007 |
GBP – GRP | –0.0438 | 2.3589 | –0.1781 | –0.0127 | 0.015 | GBP – GRP | 0.5198 | 2.4544 | –0.3844 | –0.0449 | 0.012 |
G − V | –0.0101 | –0.2112 | –0.5643 | –0.0837 | 0.008 | G − g | –0.2192 | –1.6588 | –0.8081 | 0.2847 | 0.014 |
V − G RVS | 0.0107 | 2.2205 | 0.0056 | 0.1033 | 0.012 | G − G RVS | 0.6762 | 3.5400 | 0.0466 | –0.2098 | 0.016 |
V − G BP | 0.0434 | –0.6126 | 0.2264 | 0.1317 | 0.009 | G − G BP | 0.0326 | 0.5986 | 0.5265 | –0.1447 | 0.009 |
V − G RP | –0.0004 | 1.7463 | 0.0483 | 0.1190 | 0.013 | G − G RP | 0.5524 | 3.0530 | 0.1421 | –0.1895 | 0.017 |
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Colour | Zero point | B − V | (B − V)2 | (B − V)3 | σ | Colour | Zero point | g − z | (g − z)2 | (g − z)3 | σ |
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G − G BP | 0.0247 | –0.5733 | 0.0044 | –0.0178 | 0.012 | G − G BP | –0.1499 | –0.2838 | –0.0201 | 0.0012 | 0.002 |
G − G RP | –0.0008 | 1.0490 | –0.4004 | 0.0790 | 0.017 | G − G RP | 0.2843 | 0.3961 | –0.0547 | 0.0035 | 0.002 |
G − G RVS | 0.0140 | 1.3753 | –0.4842 | 0.0958 | 0.024 | G − G RVS | 0.3910 | 0.5316 | –0.0628 | 0.0036 | 0.005 |
GBP – GRP | –0.0255 | 1.6223 | –0.4048 | 0.0967 | 0.028 | GBP – GRP | 0.4342 | 0.6800 | –0.0346 | 0.0023 | 0.003 |
G − V | –0.0145 | –0.1528 | –0.1763 | –0.0046 | 0.014 | G − g | –0.1616 | –0.4358 | –0.0603 | 0.0030 | 0.007 |
V − G RVS | 0.0285 | 1.5281 | –0.3080 | 0.1004 | 0.038 | G − G RVS | 0.5526 | 0.9674 | –0.0025 | 0.0006 | 0.003 |
V − G BP | 0.0392 | –0.4205 | 0.1807 | –0.0131 | 0.003 | G − G BP | 0.0117 | 0.1520 | 0.0402 | –0.0018 | 0.007 |
V − G RP | 0.0137 | 1.2018 | –0.2241 | 0.0836 | 0.030 | G − G RP | 0.4459 | 0.8320 | 0.0056 | 0.0005 | 0.005 |
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