Table 1.

Present-day properties of the Hyades star cluster based on Röser et al. (2011), Ernst et al. (2011), Goldman et al. (2013), Gaia Collaboration (2018b), Douglas et al. (2019), Gossage et al. (2018), Reino et al. (2018), and Lodieu (2020).

Parameter Value
Age ≈600–700 Myr
Number of stars (r < 30 pc) 724
Stellar mass (r < 30 pc) 469 M
3D velocity dispersion (r < 9 pc) ≈0.3 − 0.8 km s−1( * *)

Notes. ( * *)See the text for a discussion of the velocity dispersion.

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