Table A.5.
Properties and observed tangential velocity anomaly ΔvT, G3 for the 17 white dwarfs of our sample.
| Name | HIP | m1 | ΔG2 | ΔvT, G3 | ΔG3 | Δ |  |
|---|---|---|---|---|---|---|---|
| (M⊙) | (m s−1) | (MJ at 5 au) | |||||
| Wolf 28 | 3829 | 0.680.02 | 2.1 | 9.44.6 | 2.1 | ° |
 |
| GD 279 | 8709 | 0.640.03 | 2.7 | 12.29.2 | 1.3 |
 |
|
| Feige 22 | 11650 | 0.590.02 | 1.0 | 16.127.1 | 0.6 |
 |
|
| CPD-69 177 | 14754 | 0.680.02 | 0.7 | 5.24.6 | 1.1 |
 |
|
| LAWD 23 | 32560 | 0.690.03 | 0.8 | 6.811.4 | 0.6 |
 |
|
| GD 140 | 56662 | 0.970.03 | 3.4 | 35.510.0 | 3.5 | • |
 |
| LAWD 37 | 57367 | 0.610.01 | 5.1 | 8.72.1 | 4.1 | • |
 |
| BD-07 3632 | 65877 | 0.530.08 | 1.7 | 18.313.2 | 1.4 |
 |
|
| LAWD 52 | 66578 | 0.580.01 | 1.3 | 19.915.9 | 1.2 |
 |
|
| CD-38 10980 | 80300 | 0.680.02 | 1.1 | 7.87.6 | 1.0 |
 |
|
| DN Dra | 82257 | 0.750.03 | 1.3 | 7.17.1 | 1.0 |
 |
|
| LAWD 74 | 95071 | 0.620.02 | 0.6 | 8.87.9 | 1.1 |
 |
|
| CD-30 17706 | 99438 | 0.610.02 | 0.4 | 5.813.8 | 0.4 |
 |
|
| HD 340611 | 101516 | 0.640.03 | 2.2 | 10.17.2 | 1.4 |
 |
|
| EGGR 141 | 102207 | 0.620.02 | 1.0 | 2.014.1 | 0.1 |
 |
|
| EGGR 150 | 107968 | 0.630.02 | 1.0 | 8.117.9 | 0.5 |
 |
|
| LAWD 93 | 117059 | 0.560.05 | 0.4 | 36.466.5 | 0.6 |
 |
Notes. The estimated mass of the WD is listed in the m1 column, ΔG2 is the signal-to-noise ratio of the Hip-DR2 PMa, ΔG3 is the signal-to-noise ratio of the Hip-EDR3 PMa and 
is the normalized mass of the companion at an orbital radius of 5 au (or an upper limit). The column Δ is set to • for 3< ΔG3< 5 and ° for 2< ΔG3< 3.
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