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Table 3.
Atmospheric properties of the ZTF-sdBV sample.
| Object | ΔRV | Teff | ΔTeff | log g | Δlog g | log(NHe/NH) |
|---|---|---|---|---|---|---|
| [km s−1] | [K] | [K] | [dex(cgs)] | [dex(cgs)] | [dex] | |
| ZTF-sdBV1 | 32 ± 7 | 27 369 ± 576 | – | 5.58 ± 0.06 | – | −2.93 ± 0.09 |
| ZTF-sdBV2 | – | 28 398 ± 598 | – | 5.68 ± 0.06 | – | −2.95 ± 0.07 |
| ZTF-sdBV3 | – | 28 477 ± 709 | – | 5.73 ± 0.08 | – | −3.24 ± 0.30 |
| ZTF-sdBV4 | 38 ± 6 | 28 842 ± 591 | 1048 ± 654 | 5.51 ± 0.05 | 0.12 ± 0.06 | −2.23 ± 0.03 |
| ZTF-sdBV5 | – | 27 936 ± 624 | – | 5.54 ± 0.07 | – | −2.93 ± 0.11 |
| ZTF-sdBV6 | 18 ± 3 | 29 115 ± 602 | – | 5.35 ± 0.07 | – | −2.54 ± 0.03 |
| ZTF-sdBV7 | 18 ± 2 | 27 676 ± 558 | 956 ± 574 | 5.50 ± 0.05 | 0.05 ± 0.05 | −3.29 ± 0.06 |
| ZTF-sdBV8 | 24 ± 4 | 31 389 ± 631 | 1249 ± 759 | 5.29 ± 0.08 | 0.12 ± 0.09 | −1.34 ± 0.01 |
| ZTF-sdBV9 | – | 34 560 ± 738 | – | 5.70 ± 0.07 | – | −2.40 ± 0.09 |
| ZTF-sdBV10 | – | 32 994 ± 787 | – | 5.22 ± 0.08 | – | −2.94 ± 0.17 |
| ZTF-sdBV11 | – | 43 549 ± 961 | – | 5.24 ± 0.11 | – | −1.21 ± 0.04 |
| ZTF-sdBV12 | 30 ± 10 | 27 197 ± 611 | 966 ± 690 | 4.88 ± 0.06 | 0.12 ± 0.06 | −0.71 ± 0.02 |
| ZTF-sdBV16 | 6 ± 2 | 29 510 ± 591 | – | 5.63 ± 0.05 | – | −3.48 ± 0.03 |
Notes. For objects with time-series spectroscopy, the average values derived from the harmonic fittings of the phase-resolved measurements are provided. The peak-to-peak amplitudes ΔRV, ΔTeff, and Δlog(g) are also listed.
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