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Table 2.

Summary of observations.

Parameter Epoch 1 Epoch 2
UT date (yyyy/mm/dd) 2017/05/19 2018/06/06
Prog. ID 199.C-0065(A) 1101.C-0092(A)
DITa (s) 0.35 0.1082
# of DITs 12 100 18 401
Par. angle start/end (°) 42.46/78.44 −40.25/80.91
Airmass min/max 1.04/1.19 1.04/1.22
Mean seeingb (as) 0.65 0.63
True northc (°) 0.39 ± 0.21 0.43 ± 0.18
Plate Scale (mas pix−1) 27.21 ± 0.10 27.21 ± 0.08
# unsaturated PSF 2000 2400
DIT unsaturated PSF (s) 0.005 0.004256

Notes.

(a)

DIT = Detector integration time, i.e., exposure time per image frame.

(b)

Mean DIMM seeing measured during the observations.

(c)

Additional rotation in clockwise direction that has to be applied in order for north to point to the top of the images.

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