Table 7: Isotopic ratios (with PEs) in 23 red giant stars.

Obj.		 $N_{\rm wk}$(13)a $N_{\rm wk}$(17)b 12C/13C 16O/17O

$\alpha $ Tau		 2 0 10.6 $\pm$ 1.0 >1000
$\delta $ Oph 3 2 11.1 $\pm$ 0.9    387 $\pm$ 68
$\nu $ Vir 5 0  8.7 $\pm$ 1.3 >2000
$\alpha $ Cet 2 2 11.1 $\pm$ 0.8    586 $\pm$ 47
$\sigma $ Lib 2 0  7.5 $\pm$ 0.3 >1500
$\lambda $ Aqr 2 0  7.9 $\pm$ 1.4 >1000
$\beta $ Peg 3 0  7.7 $\pm$ 0.5 >2500
$\tau ^4$ Eri 1 1 12.4 $\pm$ 0.3    687 $\pm$ 14
$\mu $ Gem 6 1 10.5 $\pm$ 1.2    798 $\pm$ 73
$\delta $ Vir 4 0 12.3 $\pm$ 1.2 >2500
10 Dra 3 3 14.8 $\pm$ 1.6    151 $\pm$ 11
$\rho $ Per 2 0  9.7 $\pm$ 1.0 >1000
BS6861 1 0 48.5 $\pm$ 2.9 >1000
$\delta ^{2}$ Lyr 2 2 16.2 $\pm$ 1.5    465 $\pm$ 41
RR UMi 1 0 10.0 $\pm$ 0.8 >2000
$\alpha $ Her 2 4 11.1 $\pm$ 0.7    102 $\pm$  8
OP Her 2 1 11.3 $\pm$ 1.2    329 $\pm$ 31
XY Lyr 1 3 15.0 $\pm$ 0.4    223 $\pm$ 16
R Lyr 1 3  6.4 $\pm$ 0.3    368 $\pm$ 44
RZ Ari 3 2  7.9 $\pm$ 0.8    607 $\pm$ 48
30g Her 2 3 12.5 $\pm$ 1.1    211 $\pm$ 42
SW Vir 2 2 22.0 $\pm$ 4.7    432 $\pm$ 37
RX Boo 0 3    ...    233 $\pm$ 20

a Number of weak lines of 13C16O; b number of weak lines of 12C17O.


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