Table 4
Kinematic properties of the programme stars.
| Name | JD | RV | ΔRV | ϵ | GRVS | source | U | V | W | Gaia DR2 | Bin./Rem. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (−2 400 000) | (km s−1) | (km s−1) | (km s−1) | (km s−1) | (km s−1) | (km s−1) | |||||
| No s-process enrichment | |||||||||||
| HD 7863 | 57 205 | − 27.82 ± 0.34 | 0.45 | 0.29 | 8.09 | GDR2 | 24.95 | −23.58 | −13.81 | 397523176280439808 | n |
| 58 882.41 | − 28.27 ± 0.07 | HER | |||||||||
| HIP 69788 | 57 205 | 6.56 ± 1.94 | 55.93 | 0.42 | 9.39 | GDR2 | 31.08 | 11.94 | −9.27 | 3667671452515762944 | y(a) |
| 58 877.70 | − 49.37 ± 0.07 | HER | |||||||||
| TYC 3144−1906−1 | 57 205 | − 21.56 ± 0.33 | 1.06 | 0.28 | 7.84 | GDR2 | −20.73 | −16.47 | −5.61 | 2077143186195922176 | y |
| 59 090.45 | − 22.62 ± 0.07 | HER | |||||||||
| TYC 4684−2242−1 | 57 205 | 36.53 ± 0.44 | 0.92 | 0.41 | 9.35 | GDR2 | −66.36 | 6.01 | −15.01 | 2478965826587133568 | n |
| 58 882.33 | 35.61 ± 0.07 | HER | |||||||||
| Mild s-process enrichment | |||||||||||
| BD − 07° 402 | 57 205 | − 12.96 ± 0.17 | 0.48 | 0.29 | 8.04 | GDR2 | 4.72 | −2.66 | 12.05 | 2486894817251498240 | n |
| 58 882.37 | − 13.44 ± 0.07 | HER | |||||||||
| BD + 44° 575 | 57 205 | − 12.61 ± 0.26 | 0.50 | 0.28 | 7.78 | GDR2 | 28.21 | 17.09 | 1.94 | 340768207120632832 | n |
| 58 878.41 | − 13.11 ± 0.07 | HER | |||||||||
| TYC 22−155−1 | 57 205 | − 37.70 ± 0.58 | 0.35 | 0.33 | 8.71 | GDR2 | −48.38 | −65.05 | 32.26 | 2539172197106047872 | n |
| 58 882.36 | − 38.05 ± 0.07 | HER | |||||||||
| TYC 2913−1375−1 | 57205 | − 2.89 ± 0.42 | 0.15 | 0.48 | 9.70 | GDR2 | 2.22 | −14.52 | 44.81 | 193703372946249216 | n |
| 59 090.71 | − 3.04 ± 0.07 | HER | |||||||||
| TYC 3305−571−1 | 57 205 | − 57.93 ± 0.33 | 0.52 | 0.37 | 9.08 | GDR2 | 30.31 | −55.92 | 3.80 | 437946515118550016 | n |
| 58 878.48 | − 58.45 ± 0.07 | HER | |||||||||
| TYC 4837−925−1 | 57 205 | − 22.91 ± 0.23 | 0.52 | 0.37 | 9.11 | GDR2 | 35.55 | −8.52 | −13.98 | 3081162263449705984 | n |
| 58 877.55 | − 23.43 ± 0.07 | HER | |||||||||
| TYC 3423−696−1 | 57 205 | 5.37 ± 0.21 | − 3.16 | 0.40 | 9.26 | GDR2 | −21.20 | −55.96 | −2.78 | 1016739606459940608 | y |
| 58 877.61 | 8.53 ± 0.07 | HER | |||||||||
| TYC 752−1944−1 | 58 877.49 | 19.04 ± 0.07 | – | HER | 4.66 | −17.38 | −29.26 | 3157928756551254400 | ? | ||
| Strong s-process enrichment | |||||||||||
| TYC 2250−1047−1 | 57 205 | 19.39 ± 0.75 | 3.44 | 0.75 | 10.41 | GDR2 | −76.78 | 4.84 | −9.30 | 2839977000550809856 | y |
| 59 090.61 | 15.95 ± 0.07 | HER | |||||||||
| TYC 2955−408−1 | 57 205 | 41.15 ± 0.56 | 2.07 | 0.42 | 9.41 | GDR2 | −61.94 | −6.77 | −42.54 | 953203601197511808 | y |
| 58 879.54 | 39.08 ± 0.07 | HER | |||||||||
| TYC 591−1090−1 | 57205 | 8.80 ± 0.88 | 1.55 | 1.00 | 10.83 | GDR2 | 41.23 | 26.56 | 9.10 | 2757528128276067840 | n |
| 59 090.64 | 7.25 ± 0.07 | HER | |||||||||
Notes. In column ‘source’, GDR2 stands for Gaia Data Release 2, and ‘HER’ for HERMES. ΔRV is the difference between the HERMES and GDR2 radial velocities. ϵ is the uncertainty on the GDR2 RV, computed as explained in the text. GRVS is the magnitude in the RVS band (Jordi 2018). U, V, W are the Cartesian components of the velocity in Galactic coordinates, taken from N19. The Gaia DR2 identifier has been listed to ease the cross match with N19 data table. For the criteria used to classify stars as ‘no s-process’, ‘mild s-process enrichment’ and ‘strong s-process enrichment’, see Sect. 5. (a)Also proper motion anomaly (Kervella et al. 2019).
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