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Influence of Mid-infrared Galactic Bubble on Surroundings: A Case Study on IRAS 16489-4431

Liu, Tie; Wang, Ke; Dewangan, Lokesh +3 more

We studied the influence of a massive star on a mid-infrared bubble and its surrounding gas in the IRAS 16489-4431 star-forming region using multi-wavelength data. The Spitzer mid-infrared band images revealed the shocked nature of the bubble. Analyses showed that the bubble is developed by a massive star owing to its strong radiation pressure. Ev…