Table 5.
Optical spectroscopic observations of J0458−5202.
| # | Telescope | Date | MJD | Total exposure |
|---|---|---|---|---|
| & instrument | (s) | |||
| 1 | SALT RSS | 27 Sep. 2020 | 59119 | 150 |
| 2 | SALT RSS | 27 Oct. 2020 | 59149 | 150 |
| 3 | SALT RSS | 8 Dec. 2020 | 59191 | 130 |
| 4 | VLT FORS2 | 27 Dec. 2020 | 59210 | 450 + 450 + 1000 |
| 5 | SALT RSS | 2 Feb. 2021 | 59247 | 240 + 240 |
| 6 | SALT RSS | 2 Mar. 2021 | 59275 | 240 + 240 |
| 7 | SALT RSS | 3 Apr. 2021 | 59307 | 240 + 240 |
| 8 | SAAO 1.9 m | 10 Sep. 2021 | 59467 | 1200 + 1200 + 1200 |
| 9 | VLT FORS2 | 27 Apr. 2022 | 59696 | 1000 + 1000 |
| 10 | SALT RSS | 5 Oct. 2022 | 59857 | 600 |
Notes. For spectra #5, 6, and 7 at SALT RSS, exposures were taken with two RSS setups, hence, two exposure times are listed. For spectrum #4 at VLT FORS2, the three values listed refer to exposures using the G300V, G300I, and G1400V gratings, respectively. For spectrum #9 at VLT FORS2, the two values listed refer to exposures using the G300V and G300I gratings.
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