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Table 4 Percent deviation from nadir (θ = 0°) for emissivity of basalt slab measured under purging environment

From: On the effect of emergence angle on emissivity spectra: application to small bodies

Emissivity difference (%) at variable θ for basalt slab under purged atmosphere

θ = 10°

0.07 %

θ = 20°

0.49 %

θ = 30°

0.49 %

θ = 40°

0.64 %

θ = 50°

1.40 %

θ = 60°

3.63 %