The Reuven Ramaty High-Energy Solar Spectroscopic Imager - Mission Description and Early Results

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Last edited by MARC Bot
October 3, 2024 | History

The Reuven Ramaty High-Energy Solar Spectroscopic Imager - Mission Description and Early Results

The Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI) satellite was launched on 5 February 2002. Its objective is to study the energy release and particle acceleration in solar flares through observations of X-rays and gamma rays. Two novel technologies are combined to obtain both spectra and images over a broad energy range. For the spectroscopy, cooled hyperpure germanium detectors are used to cover the energy range from 3 keV to 17 MeV with unprecedented keV-class resolution. Since focusing optics are not possible for making images with such high energy photons, tungsten and molybdenum absorbing grids are used to modulate the X-rays and gamma-rays coming from the Sun as the spacecraft rotates. This allows the spatial Fourier components of the source to be determined so that images can be made in spectral ranges where astronomical images have never been produced before.

These new instrumental techniques require equally innovative software to reconstruct X-ray and gamma-ray spectra and images from the observations. Ample solar activity, abundant observations, and an open data policy have attracted many researchers. Astronomers face in the RHESSI mission an exciting new scientific potential. It has unusually broad possibilities for improving our understanding of the enigmatic solar flare phenomenon that is becoming increasingly important as society depends more and more on space-based technologies. In this volume, the functioning of RHESSI is explained, the data analysis techniques including spectroscopy and image reconstruction are introduced, and the experiences of the first few months of operation are summarized. First scientific results are presented that provide the essential base for more extended studies using RHESSI data and complementary observations by instruments on other spacecraft and at ground-based solar observatories.

Scientists and students will find here the latest discoveries in solar flare research, as well as inspiration for future work. The papers will serve as references for the many new discoveries to come from the continuing RHESSI observations.

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Pages
464

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Cover of: The Reuven Ramaty High Energy Solar Spectroscopic Imager  - Mission Description and Early Results
Cover of: The Reuven Ramaty High-Energy Solar Spectroscopic Imager  - Mission Description and Early Results
The Reuven Ramaty High-Energy Solar Spectroscopic Imager - Mission Description and Early Results
Dec 09, 2010, Lin Robert P Dennis Brian R Benz Arnold O, Springer Netherlands
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Edition Notes

Source title: The Reuven Ramaty High-Energy Solar Spectroscopic Imager (RHESSI) - Mission Description and Early Results

Classifications

Library of Congress
QE1-996.5QB600-701QB, QB460-466

The Physical Object

Format
paperback
Number of pages
464

ID Numbers

Open Library
OL28041038M
ISBN 10
9048162122
ISBN 13
9789048162123

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Download catalog record: RDF / JSON / OPDS | Wikipedia citation
October 3, 2024 Edited by MARC Bot import existing book
October 9, 2020 Edited by ImportBot import existing book
August 2, 2020 Edited by ImportBot import existing book
May 14, 2020 Created by ImportBot Imported from amazon.com record