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AST_09XT Version 3 data provides atmospherically corrected surface radiance from the Terra satellite's ASTER instrument for Visible and Near Infrared (VNIR) and Shortwave Infrared (SWIR) sensors. The product corrects a known crosstalk phenomenon affecting SWIR bands and offers spatial resolutions of 15 meters for VNIR and 30 meters for SWIR. This version was decommissioned by NASA's LPCLOUD on December 15, 2025, with users directed to a newer Version 4 product.
Users must migrate to the AST_09XT Version 4 data product as Version 3 is decommissioned. Data is only available through NASA's Earthdata Search and requires specific ordering instructions.