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  • 1985-1989  (4)
Material
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Solar physics 119 (1989), S. 341-356 
    ISSN: 1573-093X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract This review surveys recent research on quiescent solar prominences. The main topics considered are magnetic structure, thermal structure, and formation. Sub-arc sec fine-structures undoubtedly play a crucial role in all three topics. Current attempts to model the magnetic and thermal structure are hampered, in part, by the lack of observations with sufficient spatial resolution. The process of formation is quite complicated, but is yielding slowly to detailed numerical simulations. Unfortunately, observations of prominence ‘condensation’ from the corona (the favored hypothesis) are lacking. Some suggestions for future work are offered.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Solar physics 102 (1985), S. 33-40 
    ISSN: 1573-093X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An analysis of prominence hydrogen lines is presented in the spectral band 10–20 μ. The results are consistent with earlier work.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Solar physics 111 (1987), S. 235-242 
    ISSN: 1573-093X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Non-redundant arrays offer the possibility of reconstructing optical solar images to the diffraction limit of resolution, with minimal data processing. A particular algorithm, due to W. T. Rhodes, for the analysis of the fringes produced by a set of non-redundant arrays, has been evaluated numerically. The algorithm can give satisfactory results with S/N ∼ 100, but can also break down at moments of unfavorable seeing.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Solar physics 120 (1989), S. 253-259 
    ISSN: 1573-093X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Non-redundant arrays offer a promising technique for producing diffraction-limited solar images. Pairs of two-dimensional non-redundant arrays yield sufficient information to recover the phases of all the spatial frequencies to which they respond. The algorithms to select and test such pairs are given and applied to a particular example.
    Type of Medium: Electronic Resource
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