Dictionary of Nomenclature of Celestial Objects (Last update: 06-Feb-2020)
Result of query: info cati PPMXL$
Details on Acronym: PPMXL PPMXL (PPM-Extended-Large)
Object:* (SIMBAD class: Star)
Note:ICRS positions and proper motions based on USNO-B1.0 and 2MASS point source catalogues.
, DEMLEITNER M., SCHILBACH E.
Astron. J., 139, 2440-2447 (2010)
The PPMXL catalog of positions and proper motions on the ICRS. Combining USNO-B1.0 and the two Micron All Sky Survey (2MASS).
o<PPMXL NNNNNNNNNNNNNNNNNNN> N=910469430.
=E=Catalogue in electronic form as I/317Originof the Acronym: A = Assigned by the author(s)