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Table 1

Summary of spectroscopic observations.

MJD Epoch Telescope/Instrument Arm/Grating Spectral Resolving Exposure Slit Position
(days) (days) range (Å) power time (s) width angle

56 039.345 0.0443 Gemini/GMOS-N R400+OG515 5942–10 000 960 2 × 900 1.̋0 180.̊0
56 039.431 0.1301 Gemini/GMOS-N B600 3868–6632 844 2 × 400 1.̋0 180.̊0
56 040.017 0.7160 VLT/X-shooter UVB 3000–5500 4350 4 × 1200 1.̋0 41.̊0
VIS 5500–10 000 8800 4 × 1200 0.̋9
NIR 10 000–24 800 5100 16 × 300 0.̋9
56 042.911 3.6112 GTC/OSIRIS R500R 4800–10 000 500 4 × 1500 1.̋2 100.̊0
56 044.014 4.7139 VLT/X-shooter UVB 3000–5500 4350 4 × 1200 1.̋0 41.̊0
VIS 5500–10 000 8800 4 × 1200 0.̋9
NIR 10 000–24 800 5100 16 × 300 0.̋9
56 044.257 4.9565 Keck/LRIS 400/3400 3000–5500 750 2 × 900 0.̋7 50.̊0
400/8500 5500–10 000 1700
56 048.061 8.7604 VLT/X-shooter UVB 3000–5500 4350 4 × 1200 1.̋0 41.̊0
VIS 5500–10 000 8800 4 × 1200 0.̋9
NIR 10 000–24 800 5100 16 × 300 0.̋9
56 048.304 9.0036 Gemini/GMOS-N R400 4442–8608 960 4 × 1200 1.̋0 170.̊0
56 052.978 13.6772 Gemini/GMOS-S R400+GG455 4892–9008 960 1 × 2400 1.̋0 180.̊0
56 053.930 14.6301 GTC/OSIRIS R500R 4800–10 000 500 3 × 1200 1.̋2 75.̊0
56 057.996 18.6962 VLT/X-shootera UVB 3000–5500 4350 4 × 1200 1.̋0 52.̊0
VIS 5500–10 000 8800 4 × 1200 0.̋9
NIR 10 000–20 700 5100 16 × 300 0.̋9
56 061.996 22.6953 Gemini/GMOS-S R400+GG455 4892–9108 960 2 × 2400 1.̋0 –30.̊0
56 063.999 24.6992 VLT/X-shootera UVB 3000–5500 4350 4 × 1200 1.̋0 52.̊0
VIS 5500–10 000 8800 4 × 1200 0.̋9
NIR 10 000–20 700 5100 16 × 300 0.̋9
56 066.068 26.7680 Magellan/LDSS3 VPH_ALL 3700–9400 800 1 × 1400 1.̋2 141.̊0
56 076.025 36.7250 VLT/X-shootera UVB 3000–5500 4350 4 × 1200 1.̋0 –143.̊9
VIS 5500–10 000 8800 4 × 1200 0.̋9
NIR 10 000–20 700 5100 16 × 300 0.̋9
56 077.000 37.7001 VLT/X-shootera UVB 3000–5500 4350 4 × 1200 1.̋0 151.̊1
VIS 5500–10 000 8800 4 × 1200 0.̋9
NIR 10 000–20 700 5100 16 × 300 0.̋9

Notes. Column “Epoch” shows the logarithmic mean-time after the burst in the observer frame. Resolving powers and spectral ranges are the nominal values from instrument manuals.

(a)

The K-band blocking filter was used to increase the S/N in JH band.

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