EIT: Solar corona synoptic observations from SOHO with an Extreme-ultraviolet Imaging Telescope

Details EIT: Solar corona synoptic observations from SOHO with an Extreme-ultraviolet Imaging Telescope EIT: Solar corona synoptic observations from SOHO with an Extreme-ultraviolet Imaging Telescope

Nov 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988sohi.rept...43d&link_type=abstract

In ESA, The SOHO Mission. Scientific and Technical Aspects of the Instruments p 43-48 (SEE N90-13302 04-92)

Physics

Optics

Extreme Ultraviolet Radiation, Soho Mission, Solar Atmosphere, Solar Corona, Synoptic Measurement, Ultraviolet Telescopes, Coronagraphs, Emission Spectra, Solar Observatories

Scientific paper

The Extreme-ultraviolet Imaging Telescope (EIT) of SOHO (solar and heliospheric observatory) will provide full disk images in emission lines formed at temperatures that map solar structures ranging from the chromospheric network to the hot magnetically confined plasma in the corona. Images in four narrow bandpasses will be obtained using normal incidence multilayered optics deposited on quadrants of a Ritchey-Chretien telescope. The EIT is capable of providing a uniform one arc second resolution over its entire 50 by 50 arc min field of view. Data from the EIT will be extremely valuable for identifying and interpreting the spatial and temperature fine structures of the solar atmosphere. Temporal analysis will provide information on the stability of these structures and identify dynamical processes. EIT images, issued daily, will provide the global corona context for aid in unifying the investigations and in forming the observing plans for SOHO coronal instruments.

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