Table 1.
Summary of the data sets used to compose the calibration sample for empirical metallicity relation from the V band (see Sects. 2 and 3).
| MW | LMC | SMC | ||
|---|---|---|---|---|
| Luck (2018) (435) | Romaniello et al. (2022) (89) | Romaniello et al. (2008) (14) | ||
| Metallicity (Sect. 2.1) | Groenewegen (2018) (452) | Lemasle et al. (2017) (5) | Lemasle et al. (2017) (4) | |
| Ripepi et al. (2021) (19) | Molinaro et al. (2012) (2) | |||
| Trentin et al. (2023) (44) | ||||
| Kovtyukh et al. (2022b) (54) | ||||
| Total cross-match [Fe/H] | Fundamental only: 472 | 96 | 18 | 586 |
| ASAS (169) | OGLE IV (72) | OGLE III (4) | ||
| V band (Sect. 2.2) | ASAS-SN (438) | OGLE III (3) | ASAS-SN (14) | |
| Berdnikov (2008) (349) | ASAS-SN (15) | |||
| Total ([Fe/H] + V band) | 438 | 89 | 18 | 545 |
Notes. The final data set consists of 545 fundamental-mode Cepheids and is presented in detail in Table A.1. The first row describes the spectroscopic metallicities retrieved from the literature for a total of 586 stars (see Sect. 2.1). The second row describes the V-band light curves we found in the literature after cross-matching with the precedent metallicity sample (see Sect. 2.2).
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