Table 3
Transformation equation coefficients for Eqs. (1) and (2) for the different galaxies.
| Galaxy | Zero-point | Color term | Nstars | rms | |||
| g′ | i′ | g′ | i′ | g′ | i′ | ||
|
|
|||||||
| NGC 2271 | 28.226 ± 0.005 | 27.900 ± 0.007 | −0.052 ± 0.010 | −0.024 ± 0.008 | 11 | 0.035 | 0.028 |
| NGC 2865 | 28.253 ± 0.022 | 27.917 ± 0.012 | −0.052 ± 0.010 | −0.024 ± 0.008 | 15 | 0.046 | 0.041 |
| NGC 3962 | 28.110 ± 0.034 | 27.770 ± 0.033 | −0.052 ± 0.010 | −0.024 ± 0.008 | 10 | 0.101 | 0.103 |
| NGC 4240 | 28.240 ± 0.008 | 27.930 ± 0.007 | −0.052 ± 0.010 | −0.024 ± 0.008 | 33 | 0.023 | 0.021 |
| IC 4889 | 28.209 ± 0.014 | 27.923 ± 0.009 | −0.007 ± 0.014 | 0.001 ± 0.009 | 20 | 0.031 | 0.017 |
Notes. Extinction coefficients, taken from the Observatory webpages, are fixed for all equations with values Kg′ = 0.18 and Ki′ = 0.08. Color terms for NGC 2271, NGC 2865, and NGC 3962, were not fitted, but fixed; see main text for details. Additionally, the last four columns indicate parameters for Eq. (3) for both filters as described in Sect. 2.1.2.
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