Free Access

Table 1.

Observing log for program 60.A-9107(E).

Start time (UT) Object Filter λ [μm] NDIT DIT [ms] Nchop νchop [Hz] Navg Ngood
02:01:24 T Tau NEII 12.80 8 25 66 2.222 10 10
02:08:18 T Tau SIV_1 9.81 9 22 75 2.273 12 6
02:16:51 T Tau SIV_2 10.71 9 22 75 2.273 12 12
02:25:28 T Tau ARIII 8.98 6 80 40 0.893 15 7
03:05:48 HD27639 NEII 12.80 8 25 66 2.222 4 3
03:08:58 HD27639 SIV_1 9.81 9 22 75 2.273 4 2
03:12:26 HD27639 SIV_2 10.71 9 22 75 2.273 8 6
03:28:05 HD27639 ARIII 8.98 6 80 40 0.893 4 2

Notes. All data were taken on December 16, 2019. Reported are the number of exposures per chopping position (NDIT), the exposure time (DIT), the number of chopping cycles (Nchop), the chopping frequency (νchop), the number of frames after averaging (Navg), and the number of good frames (Ngood).

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.