Open Access
Table 9
Coefficients of the polynomial fits (Eq. (1)) to convert magnitudes between the Johnson-Kron-Cousins photometric system and literature photometric systems of various photometric surveys, based on the data in Table 8. See Sect. 5 for more details.
| Column | Units | Description |
|---|---|---|
| Survey | Provenance of the survey data (example: Gaia EDR3, SDSS DR13, …) | |
| System | Photometric system of the survey data (example: Gaia, ugriz, JHK, …) | |
| X | (mag) | Input color (examples: V–I or Gbp–Grp) |
| Xmin | (mag) | Lower validity limit for the fit |
| Xmax | (mag) | Upper validity limit for the fit |
| Y | (mag) | Output color (examples: G–V or g–V) |
| a0 | Coefficient of zero-order term | |
| a1 | Coefficient of first-order term (X) | |
| a2 | Coefficient of second-order term (X2) | |
| ⋯ | (i.e., one column for each coefficient) | |
| an | Coefficient of nth-order term (Xn) | |
| σ | (mag) | Standard deviation of Y residuals |
| N | Number of stars used in the fit | |
| Validity | Notes on validity regime (examples: giants, dwarfs, all) | |
| Notes | Additional cautionary notes (example: not for WDs) |
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