GJ
- (abbreviation) . (star) GJ the prefix of catalog entries in the Gliese star catalog, for the Gliese-Jahreiss expansion.
- (abbreviation) . (star) by extension, prefix for any catalogued in the Gliese star catalog.
- (initialism) . (Internet) good job.
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This entry was last updated on RefTopia from its source on 3/20/2012.