LAC

LEISA (Linear Etalon Imaging Spectrometer Array) Atmospheric Corrector

Satellite

NMP EO-1

Status

Operational – Utilised in the period 2000-2009

Mission

Advanced technology for land and vegetation observation – To correct ALI data for atmospheric effects

Instrument type

NIR filter-wedge spectrometer with 256 channels covering the ranges 0.93-1.58 µm with spectral resolution ranging from 2 to 6 nm. In addition, a 1.38 µm channel enables cirrus detection

Scanning technique

Pushbroom; 768 pixel/line; swath 185 km

Coverage/cycle

Global coverage in 16 days, in daylight.

Resolution (s.s.p.)

250 m IFOV

Resources

Mass: 10.5 kg - Power: 35 W - Data rate: 95 Mbps