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- f1749036-bc8a-4464-9ca8-eb3a8403aa6c definition "The Solar Ultraviolet Measurements of Emitted Radiation (SUMER) on SOHO: - measure profiles and intensities of extreme ultraviolet (EUV) lines emitted in the solar atmosphere ranging from the upper chromosphere to the lower corona; - determine line broadenings, spectral positions and Doppler shifts with high precision and accuracy; - provide stigmatic images of selected areas of the Sun in the EUV with high spatial, temporal and spectral resolution and - obtain full images of the Sun and the inner corona in selectable EUV lines, corresponding to a temperature range from 10 000 to 2 000 000 K. The optical design is based upon two parabolic mirrors, a plane mirror and a spherical concave grating, all made of silicon carbide. The first off-axis telescope parabola mirrors the Sun on the spectrometer entrance slit. The second off-axis parabola collimates the beam leaving the slit. This beam is then deflected by the plane mirror onto the grating. Two detectors, located in the focal plane of the grating, collect the monochromatic images of the spectrometer entrance slit. Coverage of the full spectral range of the instrument requires a wavelength scan performed by rotating the plane mirror. A baffle system, consisting of an entrance aperture, light traps, an aperture stop, a pre-slit and a Lyot stop, completes the design. For more information, see: http://www.mps.mpg.de/projects/soho/sumer Group: Instrument_Details Entry_ID: SUMER Group: Instrument_Identification Instrument_Category: Solar/Space Observing Instruments Instrument_Class: Ultraviolet Instruments Short_Name: SUMER Long_Name: Solar Ultraviolet Measurements of Emitted Radiation End_Group Group: Associated_Platforms Short_Name: SOHO End_Group Group: Spectral_Frequency_Information Wavelength_Keyword: Ultraviolet Number_Channels: 2 Spectral_Frequency_Coverage_Range: 390 - 1500 A End_Group Online_Resource: http://www.mps.mpg.de/projects/soho/sumer/text/webluca/ch_inst.html Sample_Image: http://www.mps.mpg.de/projects/soho/sumer/text/webluca/sumopt.jpg Group: Instrument_Logistics Instrument_Start_Date: 1995-12-02 Instrument_Owner: Max Planck Institute for Solar System Research End_Group End_Group" @default.
- f1749036-bc8a-4464-9ca8-eb3a8403aa6c id "1655766" @default.
- f1749036-bc8a-4464-9ca8-eb3a8403aa6c path_id 02c354fd-8e2d-4825-b786-aa4b0782d1d6 @default.
- f1749036-bc8a-4464-9ca8-eb3a8403aa6c path_id b2140059-b3ca-415c-b0a7-3e142783ffe8 @default.
- f1749036-bc8a-4464-9ca8-eb3a8403aa6c path_id b5e4912d-3224-4d7b-924c-a697677775c6 @default.
- f1749036-bc8a-4464-9ca8-eb3a8403aa6c path_label "Instruments" @default.
- f1749036-bc8a-4464-9ca8-eb3a8403aa6c path_label "Solar/Space Observing Instruments" @default.
- f1749036-bc8a-4464-9ca8-eb3a8403aa6c path_label "Ultraviolet Instruments" @default.
- f1749036-bc8a-4464-9ca8-eb3a8403aa6c prefLabel "SUMER" @default.
- f1749036-bc8a-4464-9ca8-eb3a8403aa6c reference "" @default.
- f1749036-bc8a-4464-9ca8-eb3a8403aa6c tag "Instruments" @default.
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