Open Access

Table A.1

VLTI observing log.

Instrument Date Band R (λ/∆λ) DIT (ms) Configuration array Seeing (″) τ0 (ms) Calibrator
this work
MATISSE 2019-12-11T06:46:24 L 30 75 UT 0.8–1.3 5.12 HD59381
" N 30 20 UT " 5.12 HD47667
MATISSE 2020-01-09T01:24:18 L 30 75 UT 0.69–0.90 4.87 HD59381
" N 30 20 UT " 3.72 HD47667

archival data
MIDI 2013-12-21T06:09:53 N 30 64 UT2-UT3 0.8–1.1 9.53 HD44951, HD92682
MIDI 2015-01-07T06:27:26 N 30 64 UT1-UT4 0.9–1.1 ≤ 3 HD36673, HD44951

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