Table 4.
Identified common proper motion candidates.
| Hot subdwarf | Candidate companion | Pair properties | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| source_id | G | ϖ | μα | μδ | source_id | G | ϖ | μα | μδ | θ | a | Δϖ | Δμ |
| (mag) | (mas) | (mas yr−1) | (mas yr−1) | (mag) | (mas) | (mas yr−1) | (mas yr−1) | (″) | (AU) | ||||
| 312628749626419328* | 13.1 | 1.73 | −8.80 | −11.27 | 312628745331966976 | 18.7 | 1.47 | −9.74 | −12.16 | 6.8 | 3920 | 1.1 | 2.8 |
| 601188910547673728 | 14.6 | 0.69 | −5.02 | −0.80 | 601188910547673600 | 15.4 | 0.58 | −5.15 | −0.75 | 2.7 | 3856 | 1.6 | 1.3 |
| 992534888766785024* | 12.0 | 2.93 | −25.48 | −25.16 | 992534888766784640 | 13.8 | 3.03 | −25.57 | −25.01 | 7.0 | 2384 | 1.3 | 1.3 |
| 1332156747638095488 | 15.9 | 0.46 | −5.22 | −27.03 | 1332156747638095360 | 16.7 | 0.65 | −5.41 | −27.29 | 4.1 | 8996 | 1.7 | 1.7 |
| 1659750327258228352 | 16.2 | 0.53 | −1.74 | −0.70 | 1659750327258228224 | 17.9 | 0.62 | −2.02 | −0.65 | 1.9 | 3595 | 0.7 | 1.3 |
| 1660055029417965952 | 13.4 | 2.18 | −18.82 | 3.51 | 1660055098137442944 | 17.5 | 2.10 | −18.82 | 3.95 | 39.8 | 18291 | 0.7 | 2.7 |
| 1883850072814402048 | 13.0 | 0.98 | −1.80 | −13.31 | 1883850072814402432 | 17.4 | 0.96 | −1.59 | −13.57 | 11.5 | 11655 | 0.2 | 1.9 |
| 1891098500140100352 | 12.8 | 2.11 | 11.43 | −1.30 | 1891098500140101120 | 12.9 | 2.05 | 11.41 | −1.17 | 26.0 | 12349 | 0.9 | 1.5 |
| 2002880555945732992 | 14.4 | 1.46 | 4.72 | 1.57 | 2002880555945731968 | 17.0 | 1.42 | 4.97 | 1.70 | 3.4 | 2346 | 0.4 | 2.2 |
| 2103959862471941632* | 14.1 | 1.55 | −0.64 | −8.95 | 2103959858173621760 | 18.8 | 1.50 | −0.74 | −8.72 | 15.9 | 10253 | 0.2 | 0.6 |
| 3381286602335612416 | 14.0 | 0.60 | −3.11 | −7.56 | 3381286636695992448 | 17.9 | 1.08 | −2.70 | −7.16 | 8.5 | 14220 | 2.9 | 2.0 |
| 3484319745326973824* | 11.3 | 1.95 | −7.66 | −23.66 | 3484320501241217792 | 16.1 | 1.92 | −8.10 | −23.65 | 6.4 | 3307 | 0.2 | 2.4 |
| 3868418219635118080* | 14.2 | 1.08 | −21.76 | 13.79 | 3868418219635275520 | 16.0 | 1.41 | −21.81 | 13.87 | 8.6 | 8019 | 1.9 | 0.2 |
| 4491274930955326080 | 15.6 | 0.61 | 0.08 | −10.03 | 4491274930955325440 | 16.8 | 0.49 | 0.27 | −10.06 | 4.9 | 8014 | 1.3 | 1.3 |
| 4877263019073081600* | 12.3 | 1.72 | 7.03 | 20.44 | 4877263023370516096 | 17.3 | 1.59 | 7.36 | 20.51 | 20.9 | 12144 | 1.6 | 2.5 |
| 1429755412672689536 | 13.7 | 1.30 | −6.44 | −4.82 | 1429755374017588608 | 12.6 | 1.43 | −6.50 | −4.50 | 3.6 | 2764 | 2.4 | 2.9 |
Notes. The four columns to the left refer to the hot subdwarf, whereas the next four refer to the candidate common proper motion companion. All values come directly from the Gaia DR2 catalogue. The last four columns contain pair properties, namely the angular separation θ, the projected orbital separation a, assuming the distance of the hot subdwarf, and the differences in parallax and proper motion in units of standard deviation, Δϖ and Δμ. The six objects marked with asterisks have identified close companions, being therefore candidate triple systems (see Appendix C).
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