Dictionary of Nomenclature of Celestial Objects
(Last update: 11-Mar-2024)

Result of query: info cati PPMX$

Details on Acronym:   PPMX
  
PPMX (PPM-Extended)
Write:<<PPMX JHHMMSS.s+DDMMSS>>
N: 18088919
Object:*  (SIMBAD class: Star)
Note:ICRS positions and proper motions based on GSC 1.2 and 2MASS point source catalogues.
Ref:=2008A&A...488..401R
byROESER S. , SCHILBACH E., SCHWAN H., KHARCHENKO N.V., PISKUNOV A.E., SCHOLZ R.-D.
 Astron. Astrophys., 488, 401-408 (2008)
  PPM-Extended (PPMX) - a catalogue of positions and proper motions.
oCatalog: <PPMX JHHMMSS.s+DDMMSS> N=18088919.
=E=Catalogue in electronic form as I/312
Originof the Acronym: A = Assigned by the author(s)