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Table 2

Effective temperature, C/O ratio and gross s-process overabundance of S stars.

CSS T eff C/O  [s/Fe] Comments
127 3300  ±  100 0.95  ±  0.025 1.5  ±  0.5
166 3300  ±  100 0.98  ±  0.010 1.7  ±  0.3
173 3600  ±  100 0.97  ±  0.020 1.5  ±  0.5 uncertain
177 3350  ±  150 0.96  ±  0.010 1.0  ±  0.5 KR Cam
179 3250  ±  50 0.98  ±  0.010 1.5  ±  0.5
191 3200  ±  100 0.84  ±  0.088 1.5  ±  0.5 GH Aur; Hα emission; Mira; uncertain
196 3250  ±  50 0.84  ±  0.088 0.5  ±  0.5 V376 Aur
202 3500  ±  100 0.70  ±  0.200 1.0  ±  0.3 CD-39 2449; Hen 4-8;
220 3300  ±  100 0.98  ±  0.010 1.5  ±  0.5 CF Gem
267 3350  ±  50 0.99  ±  0.010 1.5  ±  0.5
281 3300  ±  100 0.99  ±  0.010 1.0  ±  0.5 BZ CMa
282 3300  ±  100 0.97  ±  0.020 1.5  ±  0.5
315 3450  ±  50 0.63  ±  0.125 0.6  ±  0.4 CD-43 2976
325 3200  ±  100 0.71  ±  0.210 0.5  ±  0.5 XY CMi
328 3450  ±  150 0.93  ±  0.025 1.0  ±  0.3 CD-30 4223; Hen 4-19;
352 3400  ±  100 0.70  ±  0.200 1.3  ±  0.3
361 3300  ±  100 0.97  ±  0.020 1.5  ±  0.5 Hen 4-23
371 3400  ±  100 0.98  ±  0.010 1.5  ±  0.5 Hen 4-26; uncertain
380 3150  ±  250 0.98  ±  0.010 1.0  ±  0.7 Hen 4-27; Hα emission
393 3450  ±  50 0.97  ±  0.020 1.5  ±  0.5 Hen 4-29
417 3450  ±  50 0.98  ±  0.010 1.5  ±  0.5 Hα emission
427 3200  ±  100 0.97  ±  0.020 1.5  ±  0.5
431 3300  ±  100 0.96  ±  0.010 1.5  ±  0.5 AO Gem; Hα emission
438 3150  ±  150 0.96  ±  0.010 1.5  ±  0.5
443 2900  ±  200 0.71  ±  0.210 0.5  ±  0.5 EX Pup; Hα emission
453 3400  ±  100 0.70  ±  0.200 0.5  ±  0.5
454 3400  ±  100 0.71  ±  0.210 1.0  ±  0.2
457 3450  ±  50 0.63  ±  0.125 0.5  ±  0.5 Hen 4-38; uncertain
472 3350  ±  50 0.63  ±  0.125 0.1  ±  0.1 MS star
478 3400  ±  100 0.71  ±  0.210 0.5  ±  0.5
480 3350  ±  50 0.63  ±  0.125 0.4  ±  0.3
489 3450  ±  50 0.63  ±  0.125 1.0  ±  0.3 CD-29 5912; Hen 4-44
528 3450  ±  50 0.83  ±  0.075 0.4  ±  0.4
531 3250  ±  50 0.91  ±  0.012 1.2  ±  0.2
553 3300  ±  100 0.70  ±  0.200 0.4  ±  0.3
558 3300  ±  100 0.71  ±  0.213 0.9  ±  0.3 Hα emission
584 3300  ±  100 0.99  ±  0.010 1.5  ±  0.5 Hen 4-62; uncertain
598 3250  ±  150 0.97  ±  0.010 1.5  ±  0.5
603 3400  ±  100 0.70  ±  0.200 0.4  ±  0.4 CD-30 7391
604 3300  ±  100 0.98  ±  0.010 1.5  ±  0.5
613 3450  ±  50 0.98  ±  0.010 1.7  ±  0.3
622 3200  ±  100 0.99  ±  0.010 0.5  ±  0.4
633 3300  ±  50 0.91  ±  0.012 0.2  ±  0.1 Hen 4-73; uncertain
635 3400  ±  100 0.98  ±  0.010 1.5  ±  0.5 Hα emission
640 3250  ±  50 0.97  ±  0.010 1.0  ±  0.3 Hen 4-75
650 3450  ±  50 0.70  ±  0.200 0.8  ±  0.5 Hen 4-77
657 3300  ±  100 0.97  ±  0.010 1.5  ±  0.5 Hen 4-81; Hα emission
665 3300  ±  100 0.97  ±  0.020 1.5  ±  0.5
682 3400  ±  100 0.71  ±  0.210 0.8  ±  0.3 Hen 4-92
690 3150  ±  150 0.71  ±  0.210 0.3  ±  0.3 RX Car; Hα emission; Mira; uncertain
718 3300  ±  100 0.71  ±  0.213 0.5  ±  0.5 Hen 4-106; uncertain
719 3400  ±  100 0.99  ±  0.010 1.5  ±  0.5
739 3200  ±  100 0.91  ±  0.012 0.1  ±  0.1 Mira
757 3300  ±  100 0.98  ±  0.010 1.5  ±  0.5
763 3300  ±  100 0.71  ±  0.213 0.5  ±  0.5
783 3450  ±  150 0.71  ±  0.210 0.5  ±  0.5
794 3150  ±  150 0.96  ±  0.010 0.5  ±  0.5 Hen 4-122
806 3650  ±  50 0.83  ±  0.075 0.5  ±  0.5 high extinction; uncertain
881 3250  ±  150 0.99  ±  0.010 1.0  ±  0.5
921 3350  ±  50 0.63  ±  0.125 0.3  ±  0.3
1005 3350  ±  150 0.97  ±  0.020 1.5  ±  0.5
1180 3300  ±  100 0.99  ±  0.010 1.0  ±  0.3 CM Cyg; strong Hα emission
1305 3250  ±  150 0.70  ±  0.200 0.3  ±  0.3 CE Lac
1336 3300  ±  100 0.63  ±  0.125 0.4  ±  0.3

Notes. Hen 4-NNN lists S stars as in the Simbad database from an unpublished list of Henize (see e.g. Van Eck et al. 2000).The “uncertain” label in the comment column means that the convergence to the quoted set of physical parameters was not as consistent as in all the other cases.

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