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

  • Book
  • © 2003

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Editors:
  1. Robert P. Lin

    1. Space Sciences Laboratory and Physics Department, University of California, Berkeley, USA

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  2. Brian R. Dennis

    1. Laboratory for Astronomy and Solar Physics, NASA Goddard Space Flight Center, Greenbelt, USA

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    You can also search for this editor in PubMed   Google Scholar

  3. Arnold O. Benz

    1. Institute of Astronomy, ETH-Zentrum, Zürich, Switzerland

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Table of contents (26 chapters)

  1. RHESSI Observation of Atmospheric Gamma Rays from Impact of Solar Energetic Particles on 21 April 2002

    • G. H. Share, R. J. Murphy, B. R. Dennis, R. A. Schwartz, A. K. Tolbert, R. P. Lin et al.
    Pages 357-372

  2. Chromospheric Height and Density Measurements in a Solar Flare Observed with RHESSI

    • John C. Brown, Markus J. Aschwanden, Eduard P. Kontar
    Pages 373-381

  3. Chromospheric Height and Density Measurements in a Solar Flare Observed with RHESSI

    • Markus J. Aschwanden, John C. Brown, Eduard P. Kontar
    Pages 383-405

  4. Empirical Correction of RHESSI Spectra for Photospheric Albedo and Its Effect on Inferred Electron Spectra

    • R. Calum Alexander, John C. Brown
    Pages 407-418

  5. Nonuniform Target Ionization and Fitting Thick Target Electron Injection Spectra to RHESSI Data

    • Eduard P. Kontar, John C. Brown, Guillian K. McArthur
    Pages 419-429

  6. Microflares and Hot Component in Solar Active Regions

    • Arnold O. Benz, Paolo C. Grigis
    Pages 431-444

  7. Hard X-ray Microflares Down to 3 keV

    • Säm Krucker, Steven Christe, R. P. Lin, Gordon J. Hurford, Richard A. Schwartz
    Pages 445-456
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Keywords

About this book

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.

Reviews

"...important and useful to the study of solar flares and related phenomena."
(Space Flight, 45 (2003)

Editors and Affiliations

  • Space Sciences Laboratory and Physics Department, University of California, Berkeley, USA

    Robert P. Lin

  • Laboratory for Astronomy and Solar Physics, NASA Goddard Space Flight Center, Greenbelt, USA

    Brian R. Dennis

  • Institute of Astronomy, ETH-Zentrum, Zürich, Switzerland

    Arnold O. Benz

Bibliographic Information

  • Book Title: The Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI) - Mission Description and Early Results

  • Editors: Robert P. Lin, Brian R. Dennis, Arnold O. Benz

  • DOI: https://doi.org/10.1007/978-94-017-3452-3

  • Publisher: Springer Dordrecht

  • eBook Packages: Springer Book Archive

  • Copyright Information: Springer Science+Business Media B.V. 2003

  • Hardcover ISBN: 978-1-4020-1107-8Published: 31 March 2003

  • Softcover ISBN: 978-90-481-6212-3Published: 01 December 2010

  • eBook ISBN: 978-94-017-3452-3Published: 21 December 2013

  • Edition Number: 1

  • Number of Pages: VI, 456

  • Additional Information: Reprinted from SOLAR PHYSICS journal, Vol. 210:1-2, 2002.

  • Topics: Planetology, Astrophysics and Astroparticles, Astronomy, Observations and Techniques

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