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Table 6

Obtained LTE and NLTE abundances, , and abundance ratios log (Ba/Eu) of the r-process enhanced stars.

LTE NLTE Notes


Star Ba Eu Ba/Eu Ba Eu Ba/Eu

Ba abundance from the Ba ii subordinate lines
CS 22892-052 0.02 ± 0.11 −0.95 ± 0.03 0.97 −0.15 ± 0.02 −0.85 ± 0.03 0.70 (a)
HE 1219-0312 −0.06 ± 0.03 −0.99 ± 0.03 0.93 −0.15 ± 0.10 −0.88 ± 0.01 0.73 (b)
HE 2327-5642 −0.30 ± 0.03 −1.29 ± 0.02 0.99 −0.30 ± 0.06 −1.12 ± 0.04 0.82 (c)
SDSS J2357-0052 −0.10 ± 0.09 −0.92 ± 0.19 0.82 −0.09 ± 0.09 −0.89 ± 0.19 0.80 (d)
Ba abundance from the subordinate and resonance lines, fodd = 0.5
CS 22953-003 −0.22 −1.27 1.05 −0.23 −1.12 0.89 (e)
CS 31082-001 0.39 −0.76 ± 0.11 1.07 0.05 −0.70 ± 0.11 0.75 (e)
Ba abundance from the resonance lines, fodd = 0.5
CS 22183-031 −0.21 ± 0.15 −1.22 ± 0.08 1.01 −0.35 ± 0.15 −1.08 ± 0.08 0.73 (d)
CS 29497-004 0.50 ± 0.06 −0.54 ± 0.07 1.04 0.30 ± 0.06 −0.46 ± 0.05 0.76 (b)



Mean 0.98 0.77

Notes. (a) Ba: EW from Sneden et al. (1996), Eu: ΔNLTE; (b) syn, VLT/UVES spectrum; (c) Mashonkina et al. (2010); (d) ΔNLTE; (e) Ba: Andrievsky et al. (2009), Eu: ΔNLTE.

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