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Table 1.
Initial and present-day coordinates of Hyades.
| Parameter | 648 Myr ago | Present-day |
|---|---|---|
| RA [deg] | 308.488 | 67.985 |
| Dec [deg] | 41.217 | 17.012 |
| Distance [pc] | 4.575 | 47.501 |
| pm(RA,cos(Dec)) [mas yr−1] | −0.904 | 101.005 |
| pm(Dec) [mas yr−1] | −0.740 | −28.490 |
| radial velocity [km s−1] | 431.31 | 39.96 |
Notes. The evaluated coordinates of the Hyades 648 Myr ago using GALPY and the observed present-day one in the ICRS frame (see Jerabkova et al. 2021; Gaia Collaboration 2018, for more details).
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