emamajek on 02-May-2020 02:38:16 GMT about HD 189733
physical stellar binary
(connection between stars and WDS designations missing from SIMBAD)
WDS J20007+2243 = BAK 1
WDS J20007+2243A = Gaia DR2 1827242816201846144 = HD 189733
WDS J20007+2243B = Gaia DR2 1827242816176111360 = UCAC3 226-217434
SpT(B) = M4V
2006ApJ...641L..57B
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View annotation on HD 189733 object