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Table 2
R5495-dependent values of optical and NIR spline anchor points based on the law of MA14.
λ (Å) | λ−1 (µm−1) | Aλ/(A4405 – A5495) |
---|---|---|
∞ | 0.000 | 0.0 |
26 500 | 0.377 | −0.1097 + 0.1195 × R5495 |
18 000 | 0.556 | −0.2046 + 0.2228 × R5495 |
12 200 | 0.820 | −0.3826 + 0.4167 × R5495 |
10 000 | 1.000 | −0.5270 + 0.5740 × R5495 |
8696 | 1.150 | −0.6392 + 0.7147 × R5495 |
5495 | 1.820 | −0.0002 + 1.0000 × R5495 |
4670 | 2.141 | 0.7455 + 1.0023 × R5495 |
4405 | 2.270 | 1. 0004 + 1.0000 × R5495 |
4110 | 2.433 | 1. 3149 + 0.9887 × R5495 |
3704 | 2.700 | 1.7931 + 0.9661 × R5495 |
3304 | 3.027 | 2.2580 + 0.9689 × R5495 |
Notes. For the interpolation between these points we use a cubic spline and the function interpolate.splrep of the Python package scipy (Virtanen et al. 2020). R5495 is the monochromatic equivalent of RV : R5495 = A5495/(A4405 – A5495).
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