RHESSI Resumes Observations

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Nugget
Number: 234
1st Author: Albert Shih
2nd Author:
Published: September 1, 2014
Next Nugget: TBD
Previous Nugget: Sees Pervasive Faint Fe XIX Emission: Evidence for Nanoflare Heating
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Contents

Introduction

As announced in an earlier Nugget, RHESSI entered its fourth annealing in late June. This process is periodically necessary to minimize the radiation damage of the detectors that accumulates gradually in orbit, and a still earlier Nugget explains the process in further detail.

We are happy now that the process is complete, and that RHESSI is functioning again in a satisfactory, although (as expected) not quite as well as in 2002!

Detectors

Imaging

Spectroscopy

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