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Table 7

Comparison between the abundances of stars with BDs with minimum masses MCsini> 42.5 MJup and stars with BD companions with minimum masses in the range MCsini< 42.5 MJup performed in Sect. 3.1.5, see text for details.

All Without Without Without stars with
stars giant stars subgiant stars gas-giant planets

D p-value D p-value D p-value D p-value

[Fe/H] 0.34 0.08 0.39 0.05 0.38 0.24 0.27 0.31
Xα 0.23 0.45 0.15 0.95 0.26 0.70 0.26 0.33
XFe 0.47 <0.01 0.40 0.04 0.27 0.64 0.40 0.03
Xvol 0.19 0.73 0.18 0.83 0.35 0.35 0.24 0.46

Notes. neff~ 12.7 (all stars); ~11.2 (without giant stars); ~6.5 (without subgiant/giant stars); ~11.8 (without planet hosts).

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