ASTER l1T Radiance

ASTER L1T Radiance

Dataset Availability
2000-03-04T00:00:00Z – 2022-04-18T00:00:00
Dataset Provider
NASA LP DAAC at the USGS EROS Center

The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) is a multispectral imager that was launched on board NASA’s Terra spacecraft in December, 1999. ASTER can collect data in 14 spectral bands from the visible to the thermal infrared. Each scene covers an area of 60 x 60 km. These scenes, produced by the USGS, contain calibrated at-sensor radiance, ortho-rectified and terrain corrected.

Not all 14 bands were collected in each scene. An asset property named ORIGINAL_BANDS_PRESENT contains the list of bands that are present in each scene.

To convert from Digital Numbers (DN) to radiance at the sensor, the unit conversion coefficients are available in the metadata. See ASTER L1T Product Users’ Guide and ASTER L1T Product Specification for more information.

 

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