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Table 2

Spectroscopy observations.

Date r Δ Inst. + setup texp Nexp (OK)a Airmass
au km s-1 au km s-1 s min–mean–max

2014-May-06 4.08 –8.40 3.60 –33.27 FORS 150I 600 6 (6) 1.01–1.04–1.07
2014-Jun-04 3.93 –8.80 3.10 –25.78 FORS 150I 600 6 (6) 1.22–1.32–1.45
2014-Jun-24 3.83 –9.15 2.85 –16.84 FORS 150I 600 25 (25) 1.00–1.30–1.83

2014-Jul-20–21 3.69 –9.60 2.70 –3.35 FORS 300V 900 29 (25) 1.01–1.10–1.35
2014-Aug-15–16 3.54 –10.00 2.74 8.13 FORS 300V 900 23 (11) 1.01–1.08–1.24
2014-Sep-23 3.31 -10.70 3.02 15.40 FORS 300V 900 12 (4) 1.06–1.46–2.07
2014-Oct-18–25 3.13 –11.26 3.27 13.73 FORS 300V 600, 900 40 (16) 1.27–1.61–2.19
2014-Nov-15–23 2.94 –11.74 3.45 8.34 FORS 300V 700, 750, 800, 900 22 (14) 1.75–2.27–2.66

2014-Nov-10–15 2.98 –11.63 3.41 9.47 X-Shooter 900 (UVB, NIR), 878 (VIS) 18 (15) 1.57–1.95–2.47

Notes.

(a)

OK refers to the number of spectra used in the final analysis – those clear of background stars where the comet signal was detected.

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