On the research

This model is still the dense shell + constant stellar wind model.

AGB mass: 2 solar mass with alpha=0.134

Secondary mass: 0.5 solar mass

Mass loss rate in the burst is: 9.3E-6 solar mass / year last for 11.6 years

Mass loss rate of stellar wind is: 1.65E-7 solar mass / year

The speed of burst is between the escape velocity of the AGB star and the binary system. The speed of stellar wind is above the escape velocity of the binary system.

Simulation is in isothermal state at 400 K.

0.65 micron and 0.55 micron respectively. They looks identical…

SED looks more reasonable. The red line is the SED I got in current model. Note the flat spectrum energy signature from 1 micron to 4 micron. This meets the observation in Kervella et al (2015). Also, the 10 micron bump is there.

Dust composition is 0.8 % of olivine and 0.2 % of pyroxene.

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