# CBERS-4 Infrared Multispectral Scanner 2
*sensor . products*

Thermal and multispectral scanner flown on CBERS-4.

## Specifications
- **product status**: operational
- **deployment context**: orbital
- **manufacturer**: cast
- **sensor**: {"instrument_family":"passive-optical","measurement_principle":"passive","spectral_range_nm":{"min":500,"max":12500},"spectral_band_count":4,"gsd_m":{"native":40},"swath_km":120,"channels":[{"name":"PAN/VIS-NIR","spectral_range_nm":{"min":500,"max":900},"spectral_band_count":1,"gsd_m":{"native":40}},{"name":"SWIR-1","spectral_range_nm":{"min":1550,"max":1750},"spectral_band_count":1,"gsd_m":{"native":40}},{"name":"SWIR-2","spectral_range_nm":{"min":2080,"max":2350},"spectral_band_count":1,"gsd_m":{"native":40}},{"name":"TIR","spectral_range_nm":{"min":10400,"max":12500},"spectral_band_count":1,"gsd_m":{"native":80}}]}
- **entity type**: sensor
- **last verified date**: 2026-06-16
- **verified by**: agency-doc
- **claim status**: agency-sourced
- **provider**: cast
- **attributes**: {"kind":"sensor","product_status":"operational","deployment_context":"orbital","manufacturer":"cast","description":"Thermal and multispectral scanner flown on CBERS-4.","sensor":"{\"instrument_family\":\"passive-optical\",\"measurement_principle\":\"passive\",\"spectral_range_nm\":{\"min\":500,\"max\":12500},\"spectral_band_count\":4,\"gsd_m\":{\"native\":40},\"swath_km\":120,\"channels\":[{\"name\":\"PAN/VIS-NIR\",\"spectral_range_nm\":{\"min\":500,\"max\":900},\"spectral_band_count\":1,\"gsd_m\":{\"native\":40}},{\"name\":\"SWIR-1\",\"spectral_range_nm\":{\"min\":1550,\"max\":1750},\"spectral_band_count\":1,\"gsd_m\":{\"native\":40}},{\"name\":\"SWIR-2\",\"spectral_range_nm\":{\"min\":2080,\"max\":2350},\"spectral_band_count\":1,\"gsd_m\":{\"native\":40}},{\"name\":\"TIR\",\"spectral_range_nm\":{\"min\":10400,\"max\":12500},\"spectral_band_count\":1,\"gsd_m\":{\"native\":80}}]}"}
- **relevance**: in-scope

## Editorial
CBERS-4 Infrared Multispectral Scanner 2 is a four-channel passive optical scanner on CBERS-4, with PAN/VIS-NIR, two SWIR bands and one thermal-infrared band.[^wmo-cbers4][^ceos-cbers4] Its bands span 500-900 nm, 1550-1750 nm, 2080-2350 nm and 10.4-12.5 um; the visible/SWIR bands are 40 m and the thermal band is 80 m over a 120 km swath.[^wmo-irmss2][^catalyst-cbers4] The infrared payload is known both as IRMSS-2 / Infrared Multispectral Scanner - 2 and as IRS / Infrared Medium Resolution Scanner / IRSCAM.[^wmo-irmss2][^catalyst-cbers4] It has demonstrated land-surface-temperature and emissivity retrieval use on CBERS-4 data.[^catalyst-cbers4]

## Compositional position
- cbers-4 (missions) --[mission_payloads]--> CBERS-4 Infrared Multispectral Scanner 2

## Sources
- [wmo-irmss2] | WMO OSCAR instrument record: IRMSS-2 | https://space.oscar.wmo.int/instruments/view/irmss_2 | tier=agency-doc | accessed=2026-06-16
- [wmo-cbers4] | WMO OSCAR satellite record: CBERS-4 | https://space.oscar.wmo.int/satellites/view/cbers_4 | tier=agency-doc | accessed=2026-06-16
- [ceos-cbers4] | CEOS MIM mission summary: CBERS-4 | https://database.eohandbook.com/database/missionsummary.aspx?missionID=393 | tier=agency-doc | accessed=2026-06-16
- [catalyst-cbers4] | CATALYST Professional Help: CBERS-4 sensor reference | https://catalyst.earth/catalyst-system-files/professional-help/references/gdb_r/CBERS-4.html | tier=operator-datasheet | accessed=2026-06-16

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Source: https://eo-atlas.org/products/sensor/irmss-2-cbers-4
Maintainer: SpectraWorks B.V. (CC-BY 4.0)