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2MASS All-Sky Extended Source Catalog

Published by NASA/IPAC Infrared Science Archive | National Aeronautics and Space Administration | Catalog Last Checked: November 10, 2026 at 11:56 PM | Dataset Last Updated: November 05, 2026
2MASS has uniformly scanned the entire sky in three near-infrared bands to detect and characterize point sources brighter than about 1 mJy in each band, with signal-to-noise ratio (SNR) greater than 1.

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