GJ

  1. (abbreviation) .  (star) GJ the prefix of catalog entries in the Gliese star catalog, for the Gliese-Jahreiss expansion.
  2. (abbreviation) .  (star) by extension, prefix for any catalogued in the Gliese star catalog.
  3. (initialism) .  (Internet) good job.

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This entry was last updated on RefTopia from its source on 3/20/2012.