The measured angular diameter of this star, after correction for limb darkening, is . At the estimated distance of HR 3803, this yields a physical size of about 29 times the radius of the Sun.
The calculated angular measurement of this celestial entity, taking into account the darkening effect on its surface, equals . Based on its estimated location in space, HR 3803, this results in an approximate physical dimension roughly equivalent to 29 solar radii.