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

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Fig. 5

EW contours (in mÅ) of blending lines across the Kiel diagram, i.e. T_eff–log (𝑔), in solar metallicity and GIANO-B resolution (R = 50 000). The grey circles are the grid points used to calculate the contours, and the blue points indicate our Stock 2 sample. The isochrone used in Fig. 1 is plotted as a reference.

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