2MASS All-Sky Extended Source Catalog
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https://b2find.eudat.eu/dataset/bcfffd97-6fbb-5ead-b6e9-2ca63851fc2e
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资源简介：
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...
2微米全天巡天（Two Micron All-Sky Survey，2MASS）已在三个近红外波段对全天空开展均匀巡天观测，旨在探测并表征各波段中亮度高于约1毫央斯基（mJy）的点源，其信噪比……
