Open Access

Table 1.

Observations dates and the average period of time sampling, ⟨δt⟩.

Night JDs–JD0 JDe–JD0 δt
(day) (day) (s)
2–3 Sept. 2020 1.40711 1.59317 206
3–4 Sept. 2020 2.31025 2.57120 211
4–5 Sept. 2020 3.31218 3.56229 165
5–6 Sept. 2020 4.32412 4.57411 162
7–8 Sept. 2020 6.46547 6.55644 160
8–9 Sept. 2020 7.30241 7.56421 162

Notes. JDs and JDe are the starting and ending Julian dates of the observations. The reference Julian date is JD0 = 2459094.

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.