Open Access

Table 1

Overview of the MATISSE observations of HD 179218.

Date and time (UTC) Seeing τ0 Stations Configuration Science and calibrator LDD
(″) (ms) (mas)
2019-03-24 09:28 0.61 7.3 A0-B2-D0-C1 small HD 179218
2019-03-24 09:50 0.72 6.9 A0-B2-D0-C1 small γ Aql 7.26

Notes. τ0 is the atmosphericvisible coherence time. LDD is the estimated angular diameter of the calibrator.

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