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Table 1.
Spectroscopic observations and estimated parameters of J1710.
| DATE | BJD | RV | Phase | Teff | log g | log(n(He)/n(H)) | S/N | EXPTIME | Tel./Ins. |
|---|---|---|---|---|---|---|---|---|---|
| day | km/s | K | dex | dex | s | ||||
| 20130427 | 2456410.2785 | −66.5 ± 15.9 | 0.486 | 24610 | 5.57 | −2.15 | 19 | 900 | LAMOST/LRS |
| 20130427 | 2456410.2938 | 176.5 ± 12.8 | 0.688 | 25186 | 5.76 | −2.10 | 25 | 900 | LAMOST/LRS |
| 20160424 | 2457503.2820 | −222.6 ± 7.6 | 0.352 | 25401 | 5.61 | −2.30 | 62 | 600 | LAMOST/LRS |
| 20160424 | 2457503.2910 | −75.1 ± 7.5 | 0.471 | 25137 | 5.55 | −2.32 | 65 | 600 | LAMOST/LRS |
| 20160424 | 2457503.3007 | 91.4 ± 7.5 | 0.600 | 25811 | 5.72 | −2.32 | 75 | 600 | LAMOST/LRS |
| 20210205 | 2459251.0652 | −83.4 ± 7.3 | 0.458 | 25387 | 5.62 | −2.19 | 93 | 120 | P200/DBSP |
| 20210206 | 2459252.0534 | −39.4 ± 7.4 | 0.489 | 25267 | 5.77 | −2.23 | 85 | 100 | P200/DBSP |
| 20210206 | 2459252.0852 | 84.4 ± 7.4 | 0.908 | 24942 | 5.85 | −2.27 | 64 | 100 | P200/DBSP |
| 20210206 | 2459252.0880 | 50.4 ± 7.6 | 0.945 | 24177 | 5.74 | −2.30 | 44 | 100 | P200/DBSP |
| 20210206 | 2459252.0894 | 15.6 ± 9.8 | 0.964 | 23653 | 5.64 | −2.32 | 29 | 100 | P200/DBSP |
| 20210603 | 2459368.8871 | −176.5 ± 7.4 | 0.114 | 25917 | 5.68 | −2.35 | 65 | 100 | P200/DBSP |
| 20210603 | 2459368.8912 | −236.5 ± 7.4 | 0.167 | 26033 | 5.66 | −2.37 | 67 | 100 | P200/DBSP |
| 20210603 | 2459368.9644 | −204.2 ± 8.5 | 0.133 | 26148 | 5.70 | −2.34 | 61 | 100 | P200/DBSP |
| 20220223 | 2459634.1005 | −221.7 ± 2.2 | 0.344 | 24974 | 5.68 | −2.16 | 33 | 1100 | CFHT/ESPaDOnS |
| 20220223 | 2459634.1135 | −23.3 ± 3.5 | 0.515 | 24825 | 5.63 | −2.23 | 33 | 1100 | CFHT/ESPaDOnS |
Notes. The date column represents the time zone of the observation night, and BJD is the barycentric time at mid-exposure. The RVs were corrected to the barycenter, and we also corrected for the phase-smearing effected.
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