Hitomi X-ray Observation of the Pulsar Wind Nebula G21.5$-$0.9

Hitomi Collaboration, Felix Aharonian, Hiroki Akamatsu +194

We present results from the Hitomi X-ray observation of a young composite-type supernova remnant (SNR) G21.5$-$0.9, whose emission is dominated by the pulsar wind nebula (PWN) cont…