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Table A.5

Log of the spectroscopic observations of LSQ13fn.

Date MJD Epoch* Telescope + intstrument Wavelength range Exposure time Slit width Resolution
yyyy mm dd (Å) (s) (′′) (Å)

2013 01 13 56 305.3 0.9 NTT+EFOSC2+gr13 36509250 1 × 2400 1.0 17.7
2013 01 20 56 312.3 5.7 NTT+EFOSC2+gr11 33507460 1 × 3600 1.0 14.3
2013 01 22 56 314.2 7.6 NTT+EFOSC2+gr11 33507460 2 × 2400 + 1 × 1800 1.0 13.9
2013 01 30 56 322.3 15.1 NTT+EFOSC2+gr11 33807520 2 × 2400 1.0 14.4
2013 02 09 56 332.2 24.4 NTT+EFOSC2+gr11 33507460 3 × 2220 1.0 14.4
2013 03 03 56 354.1 45.0 NTT+EFOSC2+gr13,16 365010 000 2 × 1800, 2 × 1800 1.0 18.6, 13.0
2013 03 13 56 364.3 54.6 NTT+EFOSC2+gr11,16 335010 000 2 × 2400, 2 × 2400 1.0 14.1, 13.8
2013 03 17 56 368.2 58.3 NTT+EFOSC2+gr11,16 335010 000 2 × 2400, 2 × 2400 1.0 14.0, 13.2
2013 03 30 56 382.0 71.3 WHT+ISIS+R300B,R158R 325010 000 2 × 1800, 2 × 1800 1.0 4.5, 6.0
2013 04 05 56 387.2 76.2 NTT+EFOSC2+gr13 36509250 3 × 2700 1.0 19.0
2013 04 20 56 402.2 90.3 NTT+EFOSC2+gr13 36509250 3 × 2400 1.0 19.0
2013 12 29 56 655.3 328.4 VLT+FORS2+300V 43509600 2 × 1100 1.0 8.2

Notes.

(*)

Epoch relative to the date of maximum brightness (MJD 56 306.21) in the rest frame of the SN.

(†)

Resolution, as measured from the FWHM of the sky lines. Note that the NTT spectra at 5.7 d and 15.1 d are not presented in Fig. 4 as they were taken in poor conditions and the supernova signal is weak.

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