Distinct barium isotope ratios in CEMP-s and CEMP-rs stars

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Table 5

NLTE abundance ratios and fractions of odd Ba isotopes in the sample stars.


Name	[Ba/H]	[Eu/H]	[Ba/Eu]	[Ba/Fe]	[Eu/Fe]	[Fe/H]	F_odd
F_odd is consistent with s- and inconsistent with r-process values
2MASS J11140709+1828320	− 1.59 (0.12)	< −2.20 (0.22) >	0.61 (0.23)	1.47 (0.13)	< 0.86 (0.23)	−3.06 (0.11)	${0.05}_{- 0.03}^{+ 0.07}$ $\[0.05_{-0.03}^{+0.07}\]$
HE 1029-0546	−1.79 (0.15)	< −2.62 (0.24) >	0.84 (0.24)	1.43 (0.14)	< 0.59 (0.24)	−3.22 (0.13)	${0.19}_{- 0.14}^{+ 0.50}$ $\[0.19_{-0.14}^{+0.50}\]$
HE 0450-4902	−0.99 (0.16)	< −0.88 (0.25) >	−0.11 (0.25)	1.58 (0.15)	< 1.68 (0.25)	−2.56 (0.14)	${0.19}_{- 0.12}^{+ 0.33}$ $\[0.19_{-0.12}^{+0.33}\]$
F_odd is consistent with r- and inconsistent with s-process values
2MASS J09124370+0216236	−1.44 (0.14)	−1.15 (0.13)	−0.29 (0.14)	0.97 (0.15)	1.26 (0.14)	−2.41 (0.12)	${0.34}_{- 0.21}^{+ 0.55}$ $\[0.34_{-0.21}^{+0.55}\]$
HD 196944	−1.36 (0.09)	−1.75 (0.08)	0.39 (0.08)	0.85 (0.08)	0.46 (0.07)	−2.21 (0.05)	${0.44}_{- 0.22}^{+ 0.43}$ $\[0.44_{-0.22}^{+0.43}\]$
BPS BS 16080-175	−0.10 (0.09)	−0.72 (0.09)	0.62 (0.10)	1.36 (0.09)	0.74 (0.10)	−1.46 (0.07)	${0.53}_{- 0.38}^{+ 0.47}$ $\[0.53_{-0.38}^{+0.47}\]$
BD −01 2582	−1.36 (0.10)	−1.50 (0.08)	0.14 (0.10)	0.79 (0.09)	0.65 (0.08)	−2.16 (0.06)	${0.57}_{- 0.31}^{+ 0.43}$ $\[0.57_{-0.31}^{+0.43}\]$
BPS CS 31062-012	−0.62 (0.09)	−0.84 (0.08)	0.22 (0.09)	1.98 (0.10)	1.76 (0.09)	−2.60 (0.07)
F_odd is consistent with both s- and r-process values
BPS CS 22881-036	−0.41 (0.12)	−1.14 (0.07)	0.73 (0.11)	1.46 (0.11)	0.73 (0.06)	−1.87 (0.06)	${0.17}_{- 0.14}^{+ 0.63}$ $\[0.17_{-0.14}^{+0.63}\]$
F_odd is inconsistent with both s- and r-process values
2MASS J11432342+2020582	−1.02 (0.13)	< −1.00 (0.23) >	−0.02 (0.23)	1.82 (0.13)	< 1.84 (0.23)	−2.84 (0.11)	${0.36}_{- 0.14}^{+ 0.23}$ $\[0.36_{-0.14}^{+0.23}\]$

Notes. The solar abundances are taken from Lodders (2021). The total uncertainties are given in parentheses.

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