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Investigation of mid-infrared long-term variability of dusty AGB stars using multi-epoch scan data of AKARI and WISE

Takita, Satoshi; Ita, Yoshifusa; Tachibana, Kengo +5 more

Asymptotic giant branch (AGB) stars are one of the main sources of dust in the Universe. They form and supply dust triggered by stellar pulsations, but the details of the mechanism are still unknown. Among all AGB stars, dusty AGB stars are the most important in terms of dust supply because they contain the star with a high mass-loss rate. To inve…