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Table 4
Spectroscopic observations of SN 2008J.
| Date | Julian date | Phasea | Telescope | Instrument | Range | Resolution | Integration | |
| (UT) | JD – 2 453 000 | (days) | (Å) | (FWHM Å) | (s) | |||
|
|
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| 2008 Jan. 17 | 1482.57 | −5.78 | NTT | EMMI | 3200–10 200 | 6–9 | 3 × 300 | |
| 2008 Jan. 18 | 1483.59 | −4.76 | NTT | SOFI | 9400–25 000 | 20–30 | 1 × 2100 | |
| 2008 Jan. 23 | 1488.72 | +0.37 | Keck I | HIRES | 4110–8360 | 0.12 | 2 × 900 | |
| 2008 Jan. 26 | 1491.57 | +3.22 | Du Pont | B&C | 3518–9715 | 8 | 1 × 400 | |
| 2008 Feb. 01 | 1497.55 | +9.20 | Du Pont | B&C | 3510–9713 | 8 | 3 × 500 | |
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