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GIOVANNI PERES

Hot Plasma Detected in Active Regions by HINODE/XRT and SDO/AIA

Abstract

Multiple ratios of Hinode/XRT filters showed evidence of a minor very hot emission measure component in active regions. Recently also SDO/AIA detected hot plasma in the core of an active region. Here we provide estimates showing that the amount of emission measure of the hot component detected with SDO is consistent with that detected with Hinode/XRT.