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Table 2
Summary of VLT/FORS2 spectroscopic observations of GRB 120422A / SN 2012bz.
| Δt | Seeing | ⟨ S/N ⟩ | t exp | Grism |
|
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| (days) | (arcsec) | (s) | ||
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| 11.776 | 0.9 | ~ 3 | 1 × 1800 | 300 V |
| 13.690 | 0.6 | ~8 | 2 × 1800 | 300 V |
| 26.683 | 1.2 | ~5 | 2 × 1800 | 300 V |
| 27.727 | 1.1 | ~11 | 2 × 1800 | 300 V |
| 30.705 | 1.0 | ~11 | 2 × 1800 | 300 V |
Notes. Δt corresponds to the starting acquisition time of the spectra in the observed frame, and the average S/N is calculated per spectral bin.
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