Open Access
Table A.1.
Log of spectroscopic observations of SN 2018jmt.
| Date | MJD | Phasea | Telescope+Instrument | Grism/Grating+Slit | Spectral range | Resolution | Exp. time |
|---|---|---|---|---|---|---|---|
| (days) | (Å) | (Å) | (s) | ||||
| 20181216 | 58468.3 | +2.6 | NTT+EFOSC2 | gr13+1.0" | 3640-9230 | 21 | 300 |
| 20181217 | 58469.2 | +3.5 | NTT+EFOSC2 | gr11+1.0" | 3340-7460 | 16 | 1500 |
| 20181220 | 58472.7 | +7.0 | COJ 2m+en05 | red/blu+2.0" | 3150-10870 | 18 | 2700 |
| 20181221 | 58473.2 | +7.5 | SOAR+Goodman | 400 l/mm+1.0" | 3390-8720 | 6 | 900 |
| 20190101 | 58484.1 | +18.4 | NTT+EFOSC2 | gr11/gr16+1.0" | 3340-9990 | 16 | 2700/2700 |
| 20190124 | 58507.2 | +41.5 | NTT+EFOSC2 | gr13+1.0" | 3640-9240 | 21 | 2700 |
| 20190207 | 58521.9 | +56.2 | SALT+RSS | PG0300+1.5" | 3590-8430 | 19 | 1800 |
aPhases are relative to g-band maximum light (MJD = 58465.66 ± 1.20; 2018-12-13) in observer frame.
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