Open AccessNEEDS FOR HIGH RESOLUTION SPECTROSCOPY IN ULTRAVIOLET SOLAR PHYSICS
Author(s) -
Philippe Lemaire
Publication year - 1988
Publication title -
le journal de physique colloques
Language(s) - English
Resource type - Journals
eISSN - 2777-3418
pISSN - 0449-1947
DOI - 10.1051/jphyscol:1988172
Subject(s) - spectroscopy , ultraviolet , physics , high resolution , ultraviolet visible spectroscopy , extreme ultraviolet , remote sensing , materials science , astrobiology , astronomy , engineering physics , optics , geography , laser , quantum mechanics
The study of the solar atmosphere (from 5000 °K to few millions °K) is made through ultraviolet lines emitted by ionized elements. Some experiments (OSO 8, SMM, HRTS), observing above 100 nm have resolved the fine solar structure with a good spectral resolution. The understanding of the heating processes, the solar wind generation and its acceleration mechanisms require a global and detailed mass and energy budget of the atmosphere. The new ultraviolet spectrometers proposed on SOHO satellite are able to combine enough angular, spectral and temporal resolutions to establish this budget
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