Table 2
Theoretical extinction coefficients for the Gaia G-band, both pre-launch (Jordi et al. 2010) and G-DR1 (Maíz Apellániz 2017) passbands, and for J- and KS -bands (see Sect. 4).
| RG + MS | a1 | a2 | a3 | a4 | a5 | a6 | a7 |
|---|---|---|---|---|---|---|---|
k |
–0.317797257 | 2.538901003 | –1.997742387 | 0.572289388 | –0.013179503 | 0.000607315 | –0.01126344 |
k – DR1 |
–0.279133556 | 2.373624663 | –1.878795709 | 0.53904796 | –0.011673326 | 0.000544945 | –0.010233727 |
k |
0.252033852 | –0.042526876 | 0.044560182 | –0.013883035 | –0.000239872 | 8.45E–07 | –1.96E–05 |
k |
0.073839341 | 0.03381806 | –0.03063728 | 0.009124118 | –1.95E–05 | 9.66E–09 | –6.81E–07 |
k |
0.935556283 | –0.090722012 | 0.014422056 | –0.002659072 | –0.030029634 | 0.000607315 | 0.002713748 |
k |
0.242998063 | –0.001759252 | 0.000107601 | 2.54E–05 | –0.000268996 | 8.45E–07 | 4.60E–06 |
k |
0.086033161 | 7.65E–05 | 8.54E–06 | –1.52E–05 | –2.00E–05 | – | – |
k – DR1 |
0.882095056 | –0.086780236 | 0.01511573 | –0.002963829 | –0.027054718 | 0.000544945 | 0.002604135 |
k – DR1 |
0.243062354 | –0.001899476 | 0.000140615 | 2.58E–05 | –0.000269124 | 8.45E–07 | 4.86E–06 |
k – DR1 |
0.086025432 | 9.23E–05 | 3.32E–06 | –1.65E–05 | –2.00E–05 | – | – |
Notes. The extinction coefficients are modelled as function of (
) and (
), Eq. (3), and they are valid for both the red giants and the main sequence samples for 3500 K
< Teff < 7000 K and A0 < 20 mag.
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