Open Access
Table A.2.
Log of spectroscopic observations.
| UT Date | JD | Phase† | Instrument/ | Exposure | S/N |
|---|---|---|---|---|---|
| (yyyy-mm-dd) | (d) | Telescope | time (s) | (around Hα) | |
| 2021-07-26.4 | 2459422.0 | 8.0 | FLOYDS/FTN | 3600 | 16.6 |
| 2021-07-30.6 | 2459426.1 | 12.1 | FLOYDS/FTS | 3600 | 16.5 |
| 2021-08-02.9 | 2459428.8 | 14.9 | EFOSC/NTT | 300 | 19.7 |
| 2021-08-06.4 | 2459432.9 | 18.9 | FLOYDS/FTN | 3600 | 24.6 |
| 2021-08-10.5 | 2459437.0 | 23.0 | FLOYDS/FTN | 3600 | 29.5 |
| 2021-08-15.6 | 2459442.1 | 28.1 | FLOYDS/FTN | 3600 | 20.3 |
| 2021-08-22.5 | 2459449.0 | 35.0 | FLOYDS/FTN | 3600 | 9.4 |
| 2021-08-28.7 | 2459455.2 | 41.2 | FLOYDS/FTS | 3600 | 11.7 |
| 2021-09-05.4 | 2459462.9 | 48.9 | FLOYDS/FTN | 3600 | 26.8 |
| 2021-09-11.5 | 2459469.0 | 55.0 | FLOYDS/FTS | 3600 | 4.6 |
| 2021-09-17.4 | 2459475.0 | 61.0 | FLOYDS/FTN | 3600 | 9.3 |
Notes. †since the explosion epoch t0 = JD 2459414.0
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