Open Access
Table 2.
Spectroscopic observations of SN 2022ngb.
| Date | MJD | Phasea | Telescope+Instrument | Grism/Grating+Slit | Spectral range | Resolution | Exp. time |
|---|---|---|---|---|---|---|---|
| (days) | (Å) | (Å) | (s) | ||||
| 20220623 | 59753.4 | −21.1 | HET + LRS2 | UV+orange | 3640–6950 | R = 1910;R = 1140 | 1800 |
| 20220624 | 59755.4 | −19.1 | TNG + LRS | LRB+LRR+1.5″ | 3260–10340 | 14;15 | 1500 |
| 20220629 | 59760.0 | −14.6 | Copernico + AFOSC | VPH6+VPH7+1.69″ | 3160–9300 | 14 | 2400 |
| 20220701 | 59761.9 | −12.6 | Copernico + AFOSC | VPH6+VPH7+1.69″ | 3160–9300 | 14 | 2400 |
| 20220712 | 59772.2 | −2.3 | NOT + ALFOSC | gm4+1.0″ | 3400–9710 | 14 | 1800 |
| 20220718 | 59779.4 | +4.9 | TNG + LRS | LRB+LRR+1.5″ | 3260–10350 | 13.5;15 | 2100 |
| 20220730 | 59790.1 | +15.6 | NOT + ALFOSC | gm4+1.3″ | 3400–9630 | 18 | 1800 |
| 20220807 | 59799.0 | +24.4 | NOT + ALFOSC | gm4+1.0″ | 3400–9710 | 14 | 1800 |
| 20220816 | 59807.0 | +32.5 | NOT + ALFOSC | gm4+1.0″ | 3430–9700 | 14 | 1800 |
| 20220822 | 59814.0 | +39.5 | GTC + OSIRIS | R1000B+R1000R+1.0″ | 3630–10400 | 7;12 | 900 |
| 20220824 | 59815.6 | +41.1 | TNG + LRS | LR-B+1.0″ | 3260–7960 | 11 | 1800 |
| 20220920 | 59843.0 | +68.4 | GTC + OSIRIS | R1000B+R1000R+1.0″ | 3670–10400 | 7;12 | 1200 |
| 20221017 | 59869.9 | +95.4 | GTC + OSIRIS | R1000B+R1000R+1.0″ | 3630–10400 | 7;13 | 1600 |
| 20221027 | 59879.7 | +105.2 | Copernico + AFOSC | GR04+1.69″ | 3410–8200 | 13 | 3600 |
| 20221128 | 59911.8 | +137.3 | GTC + OSIRIS | R1000B+R1000R+1.0″ | 5090–10400 | 8;13 | 1350 |
| 20230227 | 60002.3 | +227.8 | GTC + OSIRIS | R1000B+R1000R+1.0″ | 5030–10400 | 8;13 | 1000 |
Notes. aPhases are relative to V-band maximum light.
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