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Table 1

Log for the VLT/SPHERE and ALMA observations.

VLT/SPHERE

Observing date Prog. ID Instrument Mode Filter Seeing Airmass Coherence time
[YYYY-MM-DD] [′′] [ms]

2015-02-03 95.C-0298 IRDIFS H2H3/YJ 0.67 1.01 22.0
2015-03-30 95.C-0298 IRDIFS_EXT K1K2/YH 1.24 1.04 1.7
2015-05-01 95.C-0273 IRDIS DPI B_H 1.16 1.29 1.7

ALMA

Observing date Prog. ID Mode Resolution Frequency range PWV Integration
[YYYY-MM-DD] [kHz] [GHz] [mm] [s]

2014-03-20 2012.1.00437.S Continuum 31 250.00 211.91−228.97 0.79 120.96
Gas 488.28 230.05−230.99

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