Fig. 3
HWHM of the Gaussian disk model for the Hα emitting region of AB Aur observed with VEGA on 2010 October 17 (circles) and on 2012 September 21 (triangles) for i = 23° and PAdisk = 52°. The dotted red line denotes the upper limit of the inner disk truncation radius while the green dash-dotted line denotes the smallest estimate of the dusty disk inner rim.
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