SUMER: Temperatures, densities, and velocities in the outer solar atmosphere

Details SUMER: Temperatures, densities, and velocities in the outer solar atmosphere SUMER: Temperatures, densities, and velocities in the outer solar atmosphere

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992esasp.348...13l&link_type=abstract

In ESA, Proceedings of the First SOHO Workshop: Coronal Streamers, Coronal Loops, and Coronal and Solar Wind Composition p 13-16

Computer Science

Performance

4

Extreme Ultraviolet Radiation, Radiation Measurement, Satellite-Borne Instruments, Soho Mission, Solar Atmosphere, Solar Radiation, Ultraviolet Spectrometers, Density Measurement, European Space Programs, Nasa Space Programs, Remote Sensing, Temperature Measurement, Velocity Measurement

Scientific paper

The SUMER (Solar Ultraviolet Measurement of Emitted Radiation) instrumentation that will be mounted on the SOHO (Solar and Heliospheric Observatory) spacecraft is in development. It has some capability of improving the solar angular resolution and the spectral resolution already obtained in the far UV to the extreme UV, corresponding to the temperature range between 10,000 and a few 1,000,000 K. Some insights into the SUMER spectrometer, developed to study the dynamics and to infer temperatures and densities of the low corona and the chromosphere-corona transition zone in using the 50 to 160 nm wavelength range, are given. The SUMER scientific goals and the techniques used are outlined. The instrumentation and the expected performances are described. The way the observations can be conducted is emphasized and the operation of SUMER in coordination with other SOHO instrumentations and in cooperation with ground based observations is explained.

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