| Short Description: |
PPMXL is a catalog of positions, proper motions, 2MASS and optical photometry of 900 million stars and galaxies, aiming to be complete down to about V=20 full-sky. It is the result of a re-reduction of USNO-B1 together with 2MASS to the ICRS.
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| Wavelength: |
Optical (B, R, and I-band) and near-infrared (J, H, and Ks bands)
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| Area Coverage: |
All sky
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| Science Products Generated: |
Catalog of astrometry, proper motions, and photometry of detected point sources from the USNO-B
and 2MASS catalogs.
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