Study of oxygen-rich post-AGB stars in the Milky Way as a means to explain the production of silicates among evolved stars

Open Access

Fig. 2.

Optical and IR data (black points) of oxygen-rich Galactic sources classified as post-AGB stars presented in Kamath et al. (2022), which we interpret as “dust-free” in the present investigation. This is due to the little if not null infrared excess that characterizes these sources.

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