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Table 1.

Overview of observations.

HJD ϕ Tel R texp S/N N
(245+) ×103 (s)
7354.73530 0.51 VATT 250 300 2047 9
7354.79351 0.51 VATT 250 300 1037 2
7354.81625 0.51 VATT 250 300 2121 8
7354.88761 0.51 VATT 250 300 2279 10
7354.96653 0.51 VATT 250 300 745 1
7663.00901 1.48 LBT 250 2.3 1740 10
7731.95117 2.14 VATT 200 2400 1377 1
7732.97880 2.15 VATT 200 700 1354 3
7820.72414 2.99 VATT 250 180 1616 4
7827.69544 3.06 VATT 250 180 2245 8
8028.00866 4.98 VATT 250 180 2638 7
8034.94472 5.05 VATT 250 180 2738 7

Notes. The S/N is given for the average spectrum from the N single exposures at orbital phase ϕ and about 8000 Å. The exposure time, texp, is given in seconds for single exposures.

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