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Fig. 5

image

IRAS 072222005 (left panel) and IRAS 091944518 (right panel) display two components (circumstellar and photospheric) in the 7800 Å Rb I line (black line) and cannot be reproduced by our present version of the spectral synthesis code. The red line shows the pseudo-dynamical synthetic spectrum that gives a good fit to the photospheric component only.

This figure is made of several images, please see below:

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