johnqmetro on 24-Aug-2019 10:26:10 GMT about LP 689-17
On VizieR, G 21-8 is listed as double in Giclas+ 1979. The Binary is LDS 6325 and WDS J18180-0539 (the location on VizieR is off). This object is A (extra ids: DENIS J181804.7-053939 , LP 689-17, NLTT 46235 , WISEA J181804.57-053942.1). B seems to be missing. IDs for B: 2MASS J18180451-0539430 , DENIS J181804.5-053942, Gaia DR2 4173160034921269120 , LP 689-16 , LTT 7272, NLTT 46234, UCAC4 422-077490.
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View annotation on LP 689-17 object