Stellar Population Astrophysics (SPA) with the TNG - Measurement of the He I 10 830 Å line in the open cluster Stock 2

Open Access

Fig. 1

CMD in Gaia DR2 photometry bands of Stock 2 member stars (grey) from Cantat-Gaudin et al. (2018), with the sample stars in this study marked with orange circles. The PARSEC isochrone with an age of 450 Myr, [M/H] = −0.07 and an extinction of A_V = 0.84 is overplotted in blue.

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