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Table 2

Best-fit kinematic models from test (iii) for our VEGA (Hα) and AMBER (Brγ) differential data.

Parameter VEGA diff. AMBER diff.
i (deg)
     
PA (deg)
     
aline (D)
     
vrot (km s−1)
     
β

R (R) ≡ 4.0 (a,b) ≡4.0 (a,b)
d (pc) ≡ 144 (c) ≡ 144 (c)
ac (D) ≡ 0 (a) ≡ 3 (d)
Fc ≡ 0 (a) ≡ 0.2 (d)
EW (Å) ≡ 19.9(e) ≡ 13.6 (f)

4.04 1.57

Notes. We show the median and the first and third quartiles for each parameter derived from the MCMC analysis. Adopted parameters stand by “ ≡”. (a) Based on our fit to the VEGA squared visibility. (b)Radius derived considering the distance adopted from Gaia Collaboration (2018). (c) Distance adopted from Gaia Collaboration (2018). (d)Adopted from Cochetti et al. (2019). (e)Adopted from Sigut et al. (2015). (f)Measured from our AMBER observations.

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