Temperature in a long-lived cavity

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Wednesday, December 11, 2019

Gibson et al. have analyzed a long-lived cavity observed from 17 March 2012 to 21 March 2012. For this cavity we applied a differential emission measure method to obtain both a temperature distribution and a value of the average temperature during all five observational days.

Graphic depicting Angstrom images of the cavity
(Top) AIA 193 Angstrom images of the cavity observed on 17, 18, and 19 March 2012. (Bottom) Average temperature map (log T) for cavity.

We find that the cavity is filled with material hotter than its surroundings. The temperature remains stable during all five days.

Publication Name: Proceedings of the Polish Astronomical Society
First HAO Author's Name: Sarah Gibson

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