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The White-Light, Far-Red (600-700 nm) and Emission Coronae at the July 11, 1991 Eclipse
Published online by Cambridge University Press: 03 August 2017
Abstract
Preliminary results of the analysis of the white-light, emission (green and red), and far red (600-700 nm) corona during the July 11, 1991 eclipse are given. Even though the corona is of nearly-maximum type, four different principal coronal structures are seen, combined with faint, small-scale structures (loops, arches, cavities, voids or plasmoids). Scattered light is seen up to 10 R ⊙ in helmet streamers. The Ludendorff index of the corona shape turns out to be a + b = −0.02, and the estimated brightness of JK = 1.47 × 10–6B ⊙. Some aspects of multiwavelength observations are discussed.
Keywords
- Type
- Part 2: Infrared Observations of the 1991 Total Solar Eclipse
- Information
- Symposium - International Astronomical Union , Volume 154: Infrared Solar Physics , 1994 , pp. 211 - 215
- Copyright
- Copyright © Kluwer 1994