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Table 2

Log of the PIONIER observations.

Date V2 points CP points MJD

March 2, 2014 53 35 56 718.254
March 3, 2014 18 12 56 719.047
January 26, 2015 252 168 57 048.310
January 5, 2016 102 68 57 392.337
February 1, 2016 90 60 57 419.118
April 3, 2016 71 48 57 482.060

Notes. We indicate the time of observation, the number of visibilities and closure phases obtained, as well as the mean value of the epoch of observation.

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