NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-20 T20:54:12 PDT
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20002MASS.1...0000: The Two Micron All-Sky Survey: Extended Source Images Tom Jarrett and The 2MASS Team May 30, 2001 ABSTRACT The Two Micron All-Sky Survey (2MASS) is a ground-based, all-sky survey that utilizes the near-infrared band windows of J (1.11 - 1.36 5m), H (1.50 - 1.80 5m) and Ks (2.00 - 2.32 5m). Two dedicated 1.3-m telescopes, one covering the most northern declinations one covering the most southern declinations, were designed specifically for 2MASS to provide all-sky uniformity. The 2MASS database includes both point and extended (i.e., resolved) sources extracted from "Atlas" images, each 8.5' X 16' in angular size with 1" pixels. Further information can be found at http://nedwww.ipac.caltech.edu/help/imgresult_help.html
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