VIRS Instrument

Measurements and Applications

Data to be used in conjunction with data from CERES instrument to determine cloud radiation. Will enable 'calibration' of precipitation indices derived from other satellite sources.

Instrument Summary

Full Name
Visible Infra-red Scanner
Status
No longer operational
Instrument Agencies
Maturity
Instrument Type
Imaging multi-spectral radiometers (vis/IR)
Geometry
Cross-track scanning
Instrument Technology
Multi-purpose imaging Vis/IR radiometer
Sampling
Imaging
Data Access
Open Access
Data Format
HDF

Performance Summary

Resolution
2 km at nadir
[Best Resolution: 2000m]
Swath
720 km
Accuracy
Waveband
VIS: 0.63 µm, SWIR - MWIR: 1.6 µm and 3.75 µm, TIR: 10.8 µm and 12 µm
VIS (~0.40 µm - ~0.75 µm)
SWIR (~1.3 µm - ~3.0 µm)
MWIR (~3.0 µm - ~6.0 µm)
TIR (~6.0 µm - ~15.0 µm)

Instrument Missions

TRMM - Tropical Rainfall Measuring Mission (1997 - 2015)

Instrument Measurements