. 2012 Dec;78(24):8849–8853. doi: 10.1128/AEM.02527-12

Table 2.

Environmental conditions used for Mars simulation experiments

Parameter	Value
Avg pressure (kPa) ± SD	0.69 ± 0.01
Avg temp (°C) ± SD	−10 ± 2
Avg relative humidity (%) ± SD	8 ± 2
UV-Vis-NIR radiation^a fluence rate, kJ m⁻² h⁻¹ (total applied fluence)^a
Total UV (200–400 nm)	142.9 (1.14 MJ m⁻²)
UV-C (200–280 nm)	14.4 kJ (115 kJ m⁻²)
UV-B (280–320 nm)	24.8 kJ (199 kJ m⁻²)
UV-A (320–400 nm)	103.7 kJ (829 kJ m⁻²)
Vis (400–700 nm)	864.0 kJ (6.91 MJ m⁻²)
NIR (700–1,100 nm)	882.0 kJ (7.05 MJ m⁻²)
Total irradiance (200–1,100 nm)	1,888.9 (15.1 MJ m⁻²)
Time (h)	24^b
% CO₂	99.99

Details of the radiation dosimetry, fluence rates, and simulation of the UV-Vis-NIR radiation environment of the surface conditions on Mars have been described by Schuerger et al. (38–40). Vis, visible; NIR, near IR.

With or without 8 h of irradiance.