Aerosol mass mixing ratio | 5 - marginal | Limited to high atmosphere.. Limited to high latitudes.. Daylight only. | UV, VIS, NIR limb sounding by solar occultation. Self-calibrating |
BrO* | 5 - marginal | Limited to high atmosphere.. Daylight only. | UV spectrometry. BrO lines around 300 nm. Limb sounding by solar occultation.. Self-calibrating |
HCHO* | 5 - marginal | Limited to high atmosphere.. Daylight only. | UV spectrometry. HCHO lines around 350 nm Limb sounding by solar occultation. Self-calibrating |
ClO* | 5 - marginal | Limited to high atmosphere.. Daylight only. | UV spectrometry. ClO lines around 300 nm. Limb sounding by solar occultation. Self-calibrating |
H2O* | 5 - marginal | Daylight only.. Limited to high atmosphere.. Limited to high latitudes. | Spectrometry in UV and VIS (several weak bands) and NIR (strong band around 940 nm). Limb sounding by solar occultation. Self-calibrating |
NO* | 5 - marginal | Limited to high atmosphere.. Daylight only. | UV spectrometry. NO lines around 250 nm. Limb sounding by solar occultation. Self-calibrating |
NO2* | 5 - marginal | Limited to high atmosphere.. Daylight only. | UV and VIS spectrometry. Several lines in the ranges around 220 nm and 400 nm. Limb sounding by solar occultation. Self-calibrating |
O3* | 5 - marginal | Limited to high atmosphere.. Daylight only. | UV and VIS spectrometry. Ozone lines in the bands around 260 nm (Hartley) and/or 340 nm (Huggins) and 600 nm (Chappuis). Limb sounding by solar occultation. Self-calibrating |
PSC occurrence | 5 - marginal | Limited to high atmosphere.. Daylight only. | UV and VIS spectrometry. Limb sounding by solar occultation. Self-calibrating |
SO2* | 5 - marginal | Limited to high atmosphere.. Daylight only. | UV spectrometry. SO2 lines around 350 nm. Limb sounding by solar occultation. Self-calibrating |
Specific humidity | 5 - marginal | Limited to high atmosphere.. Limited to high latitudes.. Daylight only. | UV, VIS and NIR spectrometry with several water vapour bands (main: around 940 nm). Limb sounding by solar occultation, Self-calibrating |
Aerosol volcanic ash | 5 - marginal | Limited to high atmosphere.. Limited to high latitudes.. Daylight only. | UV, VIS and NIR spectrometry; limb sounding by solar occultation. Self-calibrating |
Atmospheric temperature | 5 - marginal | Limited to high atmosphere.. Daylight only. | VIS spectroscopy at lower resolution 10 nm |