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Hinode EIS: Updated In-flight Radiometric Calibration

Del Zanna, G.; Warren, H. P.; Weberg, M. J.

We present an update to the in-flight radiometric calibration of the Hinode Extreme Ultraviolet Imaging Spectrometer (EIS), revising and extending our previous studies. We analyze full-spectral EIS observations of quiet Sun (QS) and active regions (ARs) from 2007 until 2022. Using CHIANTI version 10, we adjust the EIS relative effective areas for …