Fig. 1
Evolutionary tracks of 18 Scorpii in the H-R diagram constrained by a)
the four classical features; b) the classical features +
log N(Li); c) the classical features +
log N(Li) + 
; d)
the blue shadow in the error box represents our estimation based on six
nonasteroseismic features. The red shadow in it shows our estimate limited by the
pulsation analysis described in Sect. 4.2.
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