Table 4
Best-fit values for our Cepheid sample.
| Stars | φ | log g | θ LD | T eff | M cse | T cse | χ 2 |
| (mas) | (K) | (M⊙) | (K) | ||||
|
|
|||||||
| FF Aql | 0.62 | 2.05 | 0.86 ± 0.03 | 5890 ± 235 | 1.8 ± 0.5 × 10-9 | 539 ± 53 | 0.41 |
| AX Cir | 0.27 | 2.00 | 0.76 ± 0.03 | 5911 ± 184 | 7.4 ± 5.9 × 10-10 | 712 ± 61 | 0.42 |
| X Sgr | 0.72 | 2.00 | 1.30 ± 0.04 | 5738 ± 314 | 3.0 ± 0.6 × 10-9 | 703 ± 52 | 0.74 |
| η Aql | 0.47 | 1.80 | 1.86 ± 0.12 | 5431 ± 498 | 1.0 ± 0.7 × 10-8 | 545 ± 60 | 1.01 |
| W Sgr | 0.48 | 1.70 | 1.14 ± 0.06 | 5632 ± 162 | 1.7 ± 0.4 × 10-9 | 853 ± 55 | 1.45 |
| Y Oph | 0.73 | 1.80 | 1.24 ± 0.05 | 5870 ± 387 | 3.9 ± 0.8 × 10-9 | 1419 ± 148 | 1.49 |
| U Car | 0.49 | 1.20 | 0.90 ± 0.02 | 4823 ± 52 | 4.4 ± 2.1 × 10-9 | 746 ± 94 | 0.70 |
| SV Vul | 0.04 | 1.40 | 0.76 ± 0.01 | 5744 ± 144 | 3.9 ± 7.4 × 10-8 | 620 ± 50 | 1.13 |
|
|
|||||||
| R Sct | 0.48 | 0.00 | 1.74 ± 0.06 | 4605 ± 119 | – | 1486 ± 335 | 1.79 |
| – | 772 ± 82 | ||||||
| AC Her | 0.14 | 0.50 | 0.30 ± 0.02 | 5711 ± 293 | – | 286 ± 32 | 0.91 |
| κ Pav | 0.90 | 1.20 | 1.09 ± 0.05 | 6237 ± 119 | 9.9 ± 2.5 × 10-10 | 695 ± 36 | 0.30 |
Notes. φ is the pulsation phase. θLD and Teff are the photospheric fitted parameters, while Tcse is the CSE fitted parameter. Mcse is the total mass (dust + gas) of the CSE estimated using a gas to dust ratio of ~100. For R Sct, the first line denotes the compact component. The χ2 has been estimated from the fit of the photospheric flux. See the text for the references of the effective gravity.
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