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Table 1.

General properties of V889 Aql and V402 Lac.

Parameter Star
Ref.
V889 Aql V402 Lac
α (J2016) 19:18:49.84 22:09:15.20 (1)
δ (J2016) +16:15:00.4 +44:50:47.3 (1)
ϖ [mas] 2.96c0.02 3.54 ± 0.09 (1)
d [pc] 338 ± 2 283 ± 8 (1)
G [mag] 8.532 ± 0.003 6.723 ± 0.003 (1)
Sp. T B9.5 V B8 V (2, 3)
Ps [d] 11.120757 ± 0.000004 3.782043 ± 0.000005 (4)

References. (1): Gaia Collaboration (2020); (2): Abt (2004); (3): Wolf et al. (2010); (4): this work.

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