Open Access
Table 7
Parameters of the Praesepe open cluster as inferred here with Gaia DR3 data from the samples of members (original and restricted to the tidal radius) reported by Hao et al. (2022), Guilherme-Garcia et al. (2023), and Jadhav et al. (2024).
| Case | Original | Cleaned & <Rtidal | |||||
|---|---|---|---|---|---|---|---|
| Origin | Hao+2022 | GG+2023 | Jadhav+2024 | Hao+2022 | GG+2023 | Jadhav+2024 | |
| Parameter | Units | ||||||
| loc[X] | (pc) | −140.45 ± 0.53 | −139.63 ± 0.34 | −140.00 ± 0.31 | −139.34 ± 0.39 | −139.68 ± 0.31 | −139.94 ± 0.30 |
| loc[Y] | (pc) | −68.45 ± 0.45 | −67.97 ± 0.18 | −68.03 ± 0.18 | −67.76 ± 0.26 | −68.01 ± 0.17 | −68.01 ± 0.17 |
| loc[Z] | (pc) | 98.43 ± 0.46 | 98.59 ± 0.24 | 98.62 ± 0.23 | 98.40 ± 0.31 | 98.65 ± 0.23 | 98.59 ± 0.22 |
| loc[U] | (km s−1) | −42.65 ± 0.08 | −42.52 ± 0.10 | −42.62 ± 0.09 | −42.66 ± 0.07 | −42.66 ± 0.07 | −42.67 ± 0.07 |
| loc[V] | (km s−1) | −20.32 ± 0.07 | −20.31 ± 0.05 | −20.35 ± 0.05 | −20.27 ± 0.06 | −20.37 ± 0.04 | −20.37 ± 0.04 |
| loc[W] | (km s−1) | −9.60 ± 0.12 | −9.55 ± 0.09 | −9.57 ± 0.08 | −9.42 ± 0.08 | −9.51 ± 0.08 | −9.52 ± 0.07 |
| std[X] | (pc) | 5.40 ± 0.32 | 3.79 ± 0.13 | 2.90 ± 0.10 | 3.34 ± 0.21 | 3.20 ± 0.11 | 2.90 ± 0.10 |
| std[Y] | (pc) | 5.41 ± 0.30 | 2.91 ± 0.09 | 2.81 ± 0.08 | 2.83 ± 0.17 | 2.77 ± 0.08 | 2.81 ± 0.08 |
| std[Z] | (pc) | 5.22 ± 0.30 | 2.89 ± 0.09 | 2.69 ± 0.08 | 2.94 ± 0.18 | 2.63 ± 0.08 | 2.68 ± 0.08 |
| std[U] | (km s−1) | 0.82 ± 0.06 | 1.28 ± 0.09 | 1.05 ± 0.08 | 0.60 ± 0.06 | 0.80 ± 0.06 | 0.76 ± 0.06 |
| std[V] | (km s−1) | 0.72 ± 0.05 | 0.89 ± 0.04 | 0.65 ± 0.03 | 0.68 ± 0.04 | 0.62 ± 0.03 | 0.56 ± 0.03 |
| std[W] | (km s−1) | 1.05 ± 0.07 | 1.09 ± 0.07 | 0.79 ± 0.05 | 0.60 ± 0.05 | 0.69 ± 0.04 | 0.63 ± 0.04 |
| ||κ|| | (m s−1 pc−1) | 20.04 ± 8.18 | −5.22 ± 11.11 | 7.56 ± 12.77 | 1.16 ± 11.37 | −18.24 ± 9.90 | −2.27 ± 10.55 |
| κx | (m s−1 pc−1) | 15.04 ± 15.71 | 15.83 ± 27.94 | 1.11 ± 27.18 | 10.08 ± 18.91 | 3.33 ± 21.60 | 3.18 ± 22.95 |
| κy | (m s−1 pc−1) | 60.04 ± 11.15 | 3.19 ± 18.54 | 0.09 ± 15.15 | 20.51 ± 21.08 | −22.95 ± 13.82 | −4.37 ± 13.26 |
| κz | (m s−1 pc−1) | −14.96 ± 17.16 | −34.68 ± 26.10 | 21.48 ± 22.25 | −27.11 ± 19.91 | −35.11 ± 19.20 | −5.62 ± 18.56 |
| ωx | (m s−1 pc−1) | −49.70 ± 10.13 | −7.25 ± 16.46 | −1.97 ± 13.10 | 2.02 ± 14.54 | −6.08 ± 11.82 | −8.87 ± 11.48 |
| ωy | (m s−1 pc−1) | 49.67 ± 12.46 | 53.06 ± 22.40 | −17.57 ± 18.53 | 5.09 ± 14.46 | 5.94 ± 15.74 | 3.29 ± 15.04 |
| ωz | (m s−1 pc−1) | 11.35 ± 9.35 | 8.69 ± 20.14 | −9.55 ± 16.75 | −7.37 ± 14.85 | 1.05 ± 14.18 | −4.92 ± 14.18 |
| w1 | (m s−1 pc−1) | 26.13 ± 10.10 | −18.03 ± 15.36 | −7.75 ± 13.63 | −3.58 ± 14.77 | 6.39 ± 11.52 | 5.28 ± 11.57 |
| w2 | (m s−1 pc−1) | 30.61 ± 11.68 | 3.43 ± 17.60 | −1.29 ± 18.54 | 17.28 ± 13.80 | 17.36 ± 14.36 | 18.79 ± 15.27 |
| w3 | (m s−1 pc−1) | 4.43 ± 9.01 | 4.68 ± 16.76 | −2.13 ± 15.96 | 3.58 ± 14.29 | −7.43 ± 13.07 | −6.62 ± 13.30 |
| w4 | (m s−1 pc−1) | 15.04 ± 15.71 | 15.83 ± 27.94 | 1.11 ± 27.18 | 10.08 ± 18.91 | 3.33 ± 21.60 | 3.18 ± 22.95 |
| w5 | (m s−1 pc−1) | 60.04 ± 11.15 | 3.19 ± 18.54 | 0.09 ± 15.15 | 20.51 ± 21.08 | −22.95 ± 13.82 | −4.37 ± 13.26 |
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