Dictionary of Nomenclature of Celestial Objects
(Last update: 26-Sep-2023)

Result of query: info cati GSC2.3$

Details on Acronym:   GSC2.3
  
GSC2.3 (Guide Star Catalog, version 2.3)
 Write:<<GSC2.3  {N|S}{A..Z|0..9}{A..Z|0..9}{A..Z|0..9}{A..Z|0..9}NNNNNN>>
Object:*  (SIMBAD class: Star)
  Note:GSC II all-sky catalog.    The GSC2.3 identification differs from GSC2.2 preliminary    version: 10 characters, the first four representing the level-6    HTM (Hierarchical Triangular Mesh) coded in base 36 (0..9 and A..Z),    and the last 6 represent a zero-filled sequence number assigned to    each source upon initial detection.
 Auth.:Space Telescope Science Institute+
=E=Catalogue in electronic form as I/305
 Originof the Acronym: A = Assigned by the author(s)