Open Access

Table A.1

Exposure times and S/N for each observation.

Star Date Arm Exp.time (s) S/N

B243 2012-07-06 UVB 4×900 15
VIS 4×870 152
NIR 4×50 366

2013-07-17 UVB 2×870 19
VIS 4×450 149
NIR 2×50 290

2019-07-30 UVB 4×708 29
VIS 4×737 145
NIR 6×50 260

2019-08-03 UVB 4×708 19
VIS 4×737 149
NIR 6×50 231

2019-09-25 UVB 4×708 26
VIS 4×737 169
NIR 6×50 236


B268 2012-07-06 UVB 4×870 35
VIS 8×300 235
NIR 4×50 162

2013-07-17 UVB 2×870 43
VIS 2×450 168
NIR 2×50 275

2019-05-30 UVB 4×708 47
VIS 4×737 172
NIR 6×50 268

2019-05-31 UVB 4×708 51
VIS 4×737 246
NIR 6×50 308

2019-07-29 UVB 4×708 34
VIS 4×737 120
NIR 6×50 119


B275 2009-08-11 UVB 4×685 132
VIS 8×285 212
NIR 12×11 45

2019-06-05 UVB 4×350 68
VIS 4×300 252
NIR 18×10 178

2019-06-06 UVB 4×350 92
VIS 4×300 362
NIR 18×10 150

2019-07-09 UVB 4×350 93
VIS 4×300 351
NIR 18×10 149


B337 2013-07-16 UVB 4×870 0.4
VIS 8×450 73
NIR 4×50 177

2019-05-01 UVB 4×708 0.02
VIS 4×737 27
NIR 6×50 231

2019-08-03 UVB 4×708 0.1
VIS 4×737 35
NIR 6×50 260

Notes. The S/N is calculated in the continuum of the UVB arm at ~468 nm, in the VIS arm at ~808 nm, and the NIR arm at ~1537 nm.

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