emamajek on 17-Feb-2019 21:27:59 GMT about HD 164509
Wittrock et al. (2016;
2016AJ....152..149W
) discovered a candidate stellar companion to the exoplanet host star HD 164509 at separation 0".697, and Washington Double Star catalog now designates the pair as WDS J18015+0006.
Additional alias for HD 164509 = WDS J18015+0006A
"B" has color-mag position consistent with being an M2 or M3 dwarf.
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View annotation on HD 164509 object