Open Access
Table 3
Empirical extinction coefficient kG for the Gaia G-band as a function of absorption A0 and the normalised temperature 
or colour 
for the red giants sample (RG), the main sequence sample (MS) and both samples combined in only one (RG + MS).
| heightRG | Teff int. | A0 | a1 | a2 | a3 | a4 | a5 | a6 | a7 |
|---|---|---|---|---|---|---|---|---|---|
k |
[3680, 5080] | <13.3 | 15.25 | –51.059 | 59.12 | –22.57 | 2.41E–03 | –1.42E–04 | –1.19E–02 |
 |
3.69 | 13.052 | 15.29 | 5.94 | 4.73E–03 | 9.01E–05 | 5.01E–03 | ||
 int. |
A0 | a1 | a2 | a3 | a4 | a5 | a6 | a7 | |
k |
[1.82, 2.87] | <13.3 | –0.72 | 1.94 | –0.84 | 0.116 | –1.24E–02 | –1.07E–04 | 1.68E–03 |
 |
0.93 | 1.13 | 0.45 | 0.059 | 2.83E–03 | 1.23E–04 | 1.14E–03 | ||
| MS | Teff int. | A0 | a1 | a2 | a3 | a4 | a5 | a6 | a7 |
k |
[4020, 6620] | <3.5 | 4.40 | –11.405 | 11.52 | –3.77 | –0.051 | –6.60E–03 | 0.056 |
 |
1.38 | 4.028 | 3.85 | 1.21 | 0.044 | 1.65E–03 | 0.038 | ||
 int. |
A0 | a1 | a2 | a3 | a4 | a5 | a6 | a7 | |
k |
[0.92, 2.59] | <3.5 | 0.32 | 0.88 | –0.53 | 0.097 | 0.038 | –7.06E–03 | –0.017 |
 |
0.15 | 0.30 | 0.19 | 0.036 | 0.020 | 1.72E–03 | 0.013 | ||
| RG + MS | Teff int. | A0 | a1 | a2 | a3 | a4 | a5 | a6 | a7 |
k |
[3680, 6620] | <13.3 | 3.24 | –8.31 | 8.72 | –2.92 | –7.55E–03 | –8.35E–05 | –6.73E–04 |
 |
0.55 | 1.67 | 1.67 | 0.55 | 6.24E–03 | 1.19E–04 | 6.73E–03 | ||
 int. |
A0 | a1 | a2 | a3 | a4 | a5 | a6 | a7 | |
k |
[0.92, 2.87] | <13.3 | 0.697 | 0.219 | –0.154 | 2.69E–02 | –1.14E–02 | –6.84E–07 | 6.58E–04 |
 |
0.059 | 0.083 | 0.037 | 5.51E–03 | 3.43E–03 | 1.38E–04 | 1.30E–03 | ||
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