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Table 3

Visibility measurements in the continuum close to Hα and Hβ lines, along with the spectral bandwidths (δλ) used to obtain the visibilities with sufficient S/N.

Star Date (CTU) λcentral (nm) δλ (nm)
ψ Per 2008/10/07 11h33 639.0 22.0 0.78  ±  0.03
667.0 12.0 0.79  ±  0.05
497.25 7.5 0.69  ±  0.09

2008/10/08 06h52 640.0 20.0 0.83  ±  0.02
666.5 13.0 0.84  ±  0.03
480.9 5.2 0.59  ±  0.09
497.00 8.0 0.61  ±  0.14

2008/10/09 07h48 637.5 25.0 0.65  ±  0.02
497.1 7.45 0.82  ±  0.29

2008/10/09 10h43 637.5 25.0 0.58  ±  0.08
497.3 8.0 0.4  ±  0.08
507.55 8.1 0.48  ±  0.13

48 Per 2008/10/07 12h48 641.0 18.0 0.84  ±  0.03
666.0 12.0 0.85  ±  0.02

2008/10/08 07h29 640.0 20.0 0.83  ±  0.02
666.0 14.0 0.82  ±  0.03
496.7 8.1 0.86  ±  0.1

2008/10/09 07h03 496.3 6.6 0.73  ±  0.07

2008/10/09 11h22 506.5 6.5 0.69  ±  0.05

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