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Solar Physics

, Volume 162, Issue 1–2, pp 189–231 | Cite as

SUMER - Solar Ultraviolet Measurements of Emitted Radiation

  • K. Wilhelm
  • W. Curdt
  • E. Marsch
  • U. Schühle
  • P. Lemaire
  • A. Gabriel
  • J. -C. Vial
  • M. Grewing
  • M. C. E. Huber
  • S. D. Jordan
  • A. I. Poland
  • R. J. Thomas
  • M. Kühne
  • J. G. Timothy
  • D. M. Hassler
  • O. H. W. Siegmund
Article

Abstract

The instrument SUMER - Solar Ultraviolet Measurements of Emitted Radiation is designed to investigate structures and associated dynamical processes occurring in the solar atmosphere, from the chromosphere through the transition region to the inner corona, over a temperature range from 104 to 2 × 106K and above. These observations will permit detailed spectroscopic diagnostics of plasma densities and temperatures in many solar features, and will support penetrating studies of underlying physical processes, including plasma flows, turbulence and wave motions, diffusion transport processes, events associated with solar magnetic activity, atmospheric heating, and solar wind acceleration in the inner corona. Specifically, SUMER will measure profiles and intensities of EUV lines; determine Doppler shifts and line broadenings with high accuracy; provide stigmatic images of the Sun in the EUV with high spatial, spectral, and temporal resolution; and obtain monochromatic maps of the full Sun and the inner corona or selected areas thereof. SUMER will be flown on the Solar and Heliospheric Observatory (SOHO), scheduled for launch in November, 1995. This paper has been written to familiarize solar physicists with SUMER and to demonstrate some command procedures for achieving certain scientific observations.

Key words

Solar EUV Emission Lines Coronal Heating Solar Wind Acceleration EUV Spectrometer 

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Copyright information

© Kluwer Academic Publishers 1995

Authors and Affiliations

  • K. Wilhelm
    • 1
  • W. Curdt
    • 1
  • E. Marsch
    • 1
  • U. Schühle
    • 1
  • P. Lemaire
    • 2
  • A. Gabriel
    • 2
  • J. -C. Vial
    • 2
  • M. Grewing
    • 3
  • M. C. E. Huber
    • 4
  • S. D. Jordan
    • 5
  • A. I. Poland
    • 5
  • R. J. Thomas
    • 5
  • M. Kühne
    • 6
  • J. G. Timothy
    • 7
  • D. M. Hassler
    • 8
  • O. H. W. Siegmund
    • 9
  1. 1.Max-Planck-Institut für AeronomieKatlenburg-LindauGermany
  2. 2.Institut d'Astrophysique SpatialeUnite Mixte CNRS - Université Paris XIOrsayFrance
  3. 3.Astronomisches InstitutTübingenGermany
  4. 4.ESA, Space Science DepartmentESTECNoordwijkThe Netherlands
  5. 5.NASA/Goddard Space Flight CenterGreenbeltUSA
  6. 6.Physikalisch-Technische BundesanstaltBerlinGermany
  7. 7.The University of New BrunswickFrederictonCanada
  8. 8.High Altitude Observatory/NCARBoulderUSA
  9. 9.The University of California, SSLBerkeley, CaliforniaUSA

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