BackForwardInstrument:  Sentinel-5 

Instrument details
Acronym Sentinel-5
Full name UVNS: Ultra-violet, Visible and Near-infrared Sounder
Purpose Atmospheric chemistry.  Tracked species: BrO, CH4, CO, CO2, H2O, HCHO, NO2, O2, O3, O4, OClO, SO2 and aerosol. Also, solar spectral irradiance
Short description

Pushbroom imaging spectrometer, 7 bands to cover the range 270-2400 nm, spectral resolution ranging from 0.25 to 1.0 nm. spectral oversampling factor 3 [see detailed characteristics below]

Monitoring and calibration information here

Background

Embarking Sentinel-5 on Metop Second Generation implements the Sentinel-5 component of Copernicus, the European Commission's Earth Observation Programme, previously known as GMES (Global Monitoring for Environment and Security)

Scanning Technique

Cross-track: swath 2715 km

Resolution 7 km IFOV (degraded to 28 km for band 270-300 nm)
Coverage / Cycle Near-global coverage every day. Solar spectral irradiance measured once/day for at least two minutes
Mass 250 kg Power 220 W Data Rate 20 Mbps

 

Providing Agency ESA
Instrument Maturity Demonstrated by simulations
Utilization Period: 2025 to 2047
Last update: 2024-09-23
Detailed characteristics

Band ID

Spectral range

Spectral resolution

SNR

UV-1

270-300 nm

1.0 nm

100 @ 270 nm

UV-2

300-370 nm

0.5 nm

1000 @ 320 nm

VIS

370-500 nm

0.5 nm

1500 @ 420 nm, for λ < 430 nm

1800 @ 460 nm for 430-460 nm

1500 @ 460 nm for λ > 460 nm

NIR-1

685-710 nm

0.4 nm

500 @ 710 nm

NIR-2

750-775 nm

0.4 nm

500 @ 750 nm

SWIR-1

1590-1675 nm

0.25 nm

250 @ 1675 nm

SWIR-2

2305-2385 nm

0.25 nm

120 @ 2385 nm

Satellites this instrument is flying on

Note: a red tag indicates satellites no longer operational, a green tag indicates operational satellites, a blue tag indicates future satellites

Instrument classification
  • Earth observation instrument
  • Passive optical radiometer or spectrometer
  • Cross-nadir shortwave (UV/VIS) sounder
WIGOS Subcomponents
  • Subcomponent 1
  • UV/VIS/NIR sounders, nadir and limb
  • UV/VIS/NIR nadir sounder
  • Subcomponent 2
  • NIR/SWIR imaging spectroscopy
  • NIR/SWIR imaging spectrometer
  • Subcomponent 3
  • NIR spectrometer
  • NIR spectrometer
Mission objectives
Primary mission objectives
  • BrO
  • CH4 mole fraction
  • CO
  • CO
  • ClO
  • H2O
  • HCHO
  • HCHO Total Column
  • N2O mole fraction
  • NO
  • NO2
  • NO2 Total Column
  • O3
  • O3 Total Column
  • SO2
  • SO2 Total Column
Evaluation of Measurements