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Table 5.

Proper motions of the HD 114762 AB system measured by different instruments and in different reductions schemes.

Reference Instrument/reduction μα* μδ ∥ΔμDR1
(mas yr−1) (mas yr−1) (mas yr−1)
HD 114762’s system
Halbwachs et al. (2000) HIPPARCOS −582.61 ± 1.13 −1.66 ± 0.96 1.14 ± 0.96
van Leeuwen (2007) HIPPARCOS-2 −582.87 ± 0.78 −2.48 ± 0.65 2.0 ± 0.7
Gaia Collaboration (2016b,a) HIPPARCOS + Gaia DR1 −582.611 ± 0.041 −0.520 ± 0.039 0.00
Gaia Collaboration (2018) Gaia DR2 −586.29 ± 1.15 2.26 ± 0.40 4.6 ± 1.2
Brandt (2019) HIPPARCOS + Gaia DR2 −582.690 ± 0.030 −0.598 ± 0.028 0.11 ± 0.04

HD 114762 B
Faherty et al. (2012) ANDICAM −579.62 ± 0.49 −2.1244 ± 0.0018 3.4 ± 0.5

Notes. ΔμDR1 measures the difference between the proper motion of the current line with the Gaia DR1 proper motion in line 3.

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