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Table 2

Overview of the observations of the the β Pictoris system of September 10 and 11, 2014.

Observing night Sept. 10, 2014 Sept. 11, 2014
Nexp 24 30
DIT (s) 60 2
NDIT 4 50
Airmass 1.34 − 1.15 1.49 − 1.14
PA (deg) 340.7 − 304.6 355.7 − 304.3
Strehl ratio (%) 19 − 27 20 − 25

Notes. The table lists the number of exposures Nexp, the exposure time per dithering position (DIT), the number of dithering positions combined to make each science frame (NDIT), and the range of airmasses, position angles on sky and approximate Strehl ratios achieved.

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