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Table 1

Log of spectroscopic observations of LSQ14mo and its host galaxy.

Date MJD Phase Telescope Instrument Grism Exp. time Slit Resolution Range
(day) (s) (′′) (Å) (Å)

2014 Jan. 31 56 688.16 –7.0 NTT EFOSC2 Gr#13 1800 × 1 1.0 18.2 3668–9269
Gr#11 1800 × 2 1.0 13.8 3357–7486
2014 Feb. 6 56 694.19 –2.2 NTT EFOSC2 Gr#11 1800 × 3 1.0 13.8 3357–7486
Gr#16 1800 × 3 1.0 13.4 6008–10 008
2014 Feb. 20 56 708.06 8.8 NTT EFOSC2 Gr#13 1800 × 3 1.0 18.2 3668–9269
2014 Feb. 28 56 716.13 15.2 NTT EFOSC2 Gr#13 1800 × 3 1.0 18.2 3668–9269
2014 Mar. 8 56 724.26 21.7 NTT EFOSC2 Gr#13 2400 × 3 1.0 18.2 3668–9269
2014 Apr. 21 56 768.04 56.5 NTT EFOSC2 Gr#13 2400 × 4 1.0 18.2 3668–9269
2015 Jan. 23 57 045.18 277.2 VLT FORS2 GRIS_300V 1230 × 10 1.0 10.2 4300–9600
2015 Feb. 21 57 074.28 300.4 VLT FORS2 GRIS_300V 1230 × 3 1.0 10.2 4300–9600
2015 Feb. 24 57 077.27 302.8 VLT FORS2 GRIS_300V 1230 × 2 1.0 10.2 4300–9600

Notes. The phase (day) has been corrected for time dilation (z = 0.256) and relative to the SN r-band maximum on MJD 56 697. Resolution of NTT + EFOSC2 is adopted from Smartt et al. (2015), as measured from the sky lines. For VLT + FORS2 with a filter GG435+81 and a 1.̋0 slit, the resolving power is 440 at the central wavelength 5900 Å, and the dispersion is 3.27 Å/pixel.

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