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Table 2.
Differential reddening maps.
| Column | Units | Description |
|---|---|---|
| Cluster | GC name | |
| Star | Star ID, unique in each GC | |
| X | (″) | Pixel coordinate along RA |
| Y | (″) | Pixel coordinate along Dec |
| RA | (deg) | Right Ascension in decimal degrees |
| Dec | (deg) | Declination in decimal degrees |
| V | (mag) | V-band magnitude of the star |
| ΔE(B − V) | (mag) | Raw color difference |
| dE(B − V) | (mag) | Median-smoothed DR |
| σE(B − V) | (mag) | Median absolute deviation on dE(B − V) |
| δE(B − V) | (mag) | Statistical error, or  |
| ρE(B − V) | (″) | Local resolution of dE(B − V) |
| Flag | Quality flag (−1 = outside ro; 0 = good; | |
| 1 = instrumental; 2 = stellar) | ||
Notes. The DR map itself can be obtained considering only the star coordinates and dE(B − V). For each star in the MS samples we provide coordinates and V magnitudes from Stetson et al. (2019), and other quantities derived as described in Sect. 2.
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