Table A.2
Sample of metal-poor Cepheids
| Name | Quality | RV curve | LC | ||
|---|---|---|---|---|---|
| Period | Ref. | Period | Ref. | ||
| FI Mon | 2 | 3.287 824 | H24 | 3.287 76 | 3 |
| FT Mon | 2 | 3.421 77 | H24 | 3.421 766 | 3,6 |
| BC Pup | 2 | 3.544 22 | H24 | 3.544 31 | 3 |
| FG Mon | 2 | 4.496 620 | H24 | 4.496 64 | 3 |
| WW Mon | 2 | 4.662 169 | 101,104,105 | 4.662 24 | 3 |
| CU Mon | 2 | 4.707 56 | H24 | 4.707 66 | 3 |
| XX Mon | 2 | 5.45654 | H24 | 5.456 69 | 3 |
| TW Mon | 1 | 7.096 998 | 101,104 | 7.096 93 | 2,3 |
| V510 Mon | 2 | 7.457 50 | H24 | 7.4580 | 3 |
| OGLE-SMC-CEP-1761 | 2 | 3.939 20 | 200 | 3.939 278 | 21 |
| OGLE-SMC-CEP-1729 | 2 | 4.284 30 | 200 | 4.284 396 | 21 |
| OGLE-SMC-CEP-1680 | 2 | 4.888 63 | 200 | 4.888 37 | 20 |
| OGLE-SMC-CEP-1765 | 2 | 5.624 08 | 200 | 5.624 00 | 20 |
| OGLE-SMC-CEP-1717 | 2 | 6.660 49 | 200 | 6.6605 | 20 |
| OGLE-LMC-CEP-3724 | 2 | 2.639 172 | 201,204,206 | 2.639 20 | 20 |
| OGLE-LMC-CEP-3750 | 2 | 2.954 13 | 204,206 | 2.954 13 | 20 |
| OGLE-LMC-CEP-4506 | 2 | 2.987 88 | 202 | 2.987 79 | 20 |
| OGLE-LMC-CEP-4646 | 2 | 3.10121 | 204,206 | 3.101 18 | 20,22 |
| OGLE-LMC-CEP-3723 | 2 | 3.143 76 | 201,204,206 | 3.143 80 | 20 |
| OGLE-LMC-CEP-3726 | 2 | 3.52279 | 203,204,206 | 3.522 852 | 20 |
| OGLE-LMC-CEP-227 | 2 | 3.797 08 | 202 | 3.797 06 | 20 |
| OGLE-LMC-CEP-3320 | 2 | 4.785 034 | 205 | 4.785 00 | 20 |
| OGLE-LMC-CEP-1249 | 2 | 6.878 425 | 205 | 6.878 67 | 20 |
| OGLE-LMC-CEP-1327 | 2 | 6.923 806 | 205 | 6.923 81 | 20 |
Notes: The quality flag "2" refers to RV curves of poor quality because either of unstable fit, insufficient coverage or small number of data points. We list the pulsation period that we have derived for each star and which is used in the Fourier fit, see Sect. 3 for details. RV References: 101: Anderson et al. (2024), 104: Pont et al. (1997), 105: Pont et al. (2001), 200: Gieren et al. (2018), 201: Molinaro et al. (2012), 202: Pilecki et al. (2018), 203: Storm et al. (2004) 204: Storm et al. (2005), 205: Storm et al. (2011), 206: Welch et al. (1991). LC References: 3: ASASSN-V, Jayasinghe et al. (2018) 6: Berdnikov et al. (2015) 20: OGLE IV, Soszyński et al. (2015) 21: OGLE III, Soszyński et al. (2008, 2010) 22: Gieren et al. (2000)
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