Table 2
Stellar parameters and abundances.
| Star | Teff (K) | [M/H] | C/O | 12C/13C | 16O/17O | log ɛ(F) (a) | [F/M] | [⟨s⟩/M] |
|---|---|---|---|---|---|---|---|---|
| SC-type | ||||||||
| AM Cen | 3100 | 0.10 | 1.00 | 50 | 700 | 4.50 | −0.03 | 0.60 (4) |
| BB Tau | 3200 | 0.00 | 1.00 | 9 | >200 | 4.70(4) | 0.27 | 0.90 (1) |
| R Cmi | 3000 | 0.00 | 1.01 | 27 | 670 | 4.80(4) | 0.37 | 0.60 (1) |
| R Gem | 3200 | −0.20 | 0.99 | 20 | 840 | 4.35(4) | 0.12 | – |
| V372 Mon | 2500 | 0.00 | 1.00 | 50 | 780 | 4.81(6) | 0.38 | 1.30 (1) |
| N-type | ||||||||
| RX Sct | 3300 | −0.05 | 1.10 | 60 | 770 | 4.45 | 0.07 | 0.68 (1) |
| S Cam | 3300 | −0.30 | 1.02 | 100 | 1000 | 4.30(2) | 0.17 | 0.80 (1) |
| Sgr 9 | 3500 | −1.40 | 1.77 | – | >300 | 3.75 | 0.72 | – |
| SZ Sgr | 3200 | −0.10 | 1.04 | 8 | 870 | 4.35 | 0.02 | 0.80 (5) |
| ZZ Gem | 2800 | −1.00 | 1.02 | 50 | 800 | 3.90(2) | 0.47 | 0.65 (1) |
| CH/Ba-type | ||||||||
| HD 121477 | 4000 | −0.40 | 0.62 | 20 | 770 | 4.47 | 0.44 | 1.50 (2) |
| HD 123396 | 4400 | −1.10 | 0.79 | – | – | 3.63 | 0.30 | 0.95 (3) |
Notes. A gravity log g = 0.0 was adopted for all the AGB stars (see text), while for HD 121477 and HD 123396 we used those estimated in Merle et al. (2016) and Allen & Barbuy (2006), respectively.(a)The number in parenthesis indicates the number of HF lines used in the analysis.
References. (1) This study; (2) Merle et al. (2016); (3) Allen & Barbuy (2006); (4) Abia & Wallerstein (1998); (5) Abia et al. (2002).
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