Table 2
RV observations summary.
| System | Instrument | Mode | Mask | N RVs (used) | Start (UT)/end (UT) | RMS (m/s) | S/N | σRV (m/s) | EXP (s) |
|---|---|---|---|---|---|---|---|---|---|
| TOI-1836 | SOPHIE | HR | G2 | 89 (85) | July 2020/October 2023 | 13.6 | 48 | 6.0 | 1073 |
| TOI-2295 | SOPHIE | HR | G2 | 46 (44) | October 2020/October 2023 | 81.6 | 41 | 2.9 | 722 |
| TOI-2537 | SOPHIE | HE | G2 | 48 (46) | August 2019/ February 2024 | 118.3 | 23 | 19.7 | 1643 |
| TOI-2537 | HARPS | HR | G2 | 22 (21) | Janurary 2021/ November 2023 | 94.1 | 20 | 14.9 | 1800 |
| TOI-2537 | FEROS | HR | G2 | 19 (19) | December 2020/ March 2022 | 116.8 | 50 | 11.6 | 1500 |
| TOI-4081 | SOPHIE | HR | G2 | 43 (38) | August 2021/ October 2023 | 182.2 | 28 | 32.5 | 1500 |
| TOI-4168 | SOPHIE | HR | G2 | 15 (15) | December 2021/ February 2024 | 23029.7 | 19 | 8.6 | 1646 |
| TOI-5076 | SOPHIE | HR | K5 | 45 (39) | March 2022/February 2024 | 11.0 | 33 | 4.0 | 1118 |
| TOI-5110 | SOPHIE | HR | G2 | 23 (23) | February 2022/ October 2023 | 133.5 | 29 | 6.5 | 1318 |
Notes. ‘HR’ and ‘HE’ represent the high-resolution and high-efficiency observation modes of SOPHIE. The observing start/end column does not indicate continuous observation. ‘N RVs’ represents the total number of RV observations, with the number of observations used in this study shown in parentheses. σRV represents RV error bars. Additionally, ‘RMS’ indicates the root mean square of final RVs, calculated after processing mentioned in Sects. 2.2, 2.3, and 2.4. The S/N of SOPHIE and HARPS are measured per pixel at 550 nm, whereas the S/N of FEROS is measured per resolution element. The columns for S/N, exposure time (‘EXP’), and σRV represent the average values for each star.
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