Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994adspr..14..171l&link_type=abstract
Advances in Space Research, vol. 14, no. 4, p. (4)171-(4)174
Astronomy and Astrophysics
Astronomy
Emission Spectra, Line Spectra, Plasma Heating, Solar Corona, Solar Spectrometers, Solar Wind, Ultraviolet Spectrometers, Satellite Observation, Soho Mission, Spaceborne Astronomy, Spectrum Analysis
Scientific paper
The Solar and Heliospheric Observatory (SOHO)/Solar Ultraviolet Measurement of Emitted Radiations (SUMER) spectrometer is developed to study the low corona and chromosphere-corona transition zone. The main scientific objectives are oriented towards the search of mechanisms producing the coronal heating and driving the first impulse of the solar wind. The main contribution will be given by an accurate measurement of line profiles, intensities and shifts combined with high angular resolution on the solar disk and above the limb. In this paper, we recall the scientific objectives, we describe the corresponding instrument capabilities and we show how the observations can be performed and the kind of data expected. The complementary role of the SOHO coronal instruments in coordinating observations to optimize the quality of the data is emphasized.
Lemaire Philippe
Wilhelm Klaus
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