Table 1.
Optical observations of J0413-0050.
| Date | Tel. | Inst. | Exp. time (s) | S/N | D |
|---|---|---|---|---|---|
| Apr. 2004 | 6dF | 1200V | 1200 | 23.8 | 0.9 |
| Jan. 2021 | NTT | EFOSC2 | 3600 | 24.8 | 0.99 |
| Dec. 2021 | NOT | ALFOSC | 300 | 19 | 1.7 |
| Sep. 2023 | VLT/UT1 | FORS2 | 300 + 300 | 25 | 0.75 |
Notes. Columns: (1) Observation date; (2) Telescope used; (3) Instrument used. For 6df we directly reported the grism. For EFOSC2 spectrum we used the grism#8, for ALFOSC we used grism#7, for FORS spectrum we used grisms 600B+22 and 600RI+19; (4) Exposure time in s, (5) S/N ratio in the 5100 Å continuum, (6) Spectral dispersion in Å pix−1.
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