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  • Presentation | SH21D: Across the Heliospheric Boundaries and Regions: In Situ Observations and Modeling as Tools for Probing the Outer Heliosphere II Poster
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  • SH21D-2526: Observations of Lyman-Beta Emission from the New Horizons Alice UV Spectrometer
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  • Board 2526‚ Hall EFG (Poster Hall)
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Author(s):
Wayne Pryor, Central Arizona College (First Author, Presenting Author)
Randy Gladstone, Southwest Research Institute
S Stern, Southwest Research Institute Boulder
Kurt Retherford, Southwest Research Institute
J. Michael Shull, University of Colorado
W. Kent Tobiska, Space Environment Technologies
Joel Parker, Southwest Research Institute Boulder
Tracy Becker, Southwest Research Institute
Pontus Brandt, Johns Hopkins Univ/APL
Kelsi Singer, Southwest Research Institute
Anne Verbiscer, University of Virginia Main Campus


The New Horizons spacecraft is moving rapidly away from the Sun, and by 2023 had reached 57 Astronomical Units. The New Horizons ALICE spectrometer observes declining emissions from gas illuminated by sunlight, but still sees galactic emissions in the ultraviolet of two lines of atomic hydrogen, Lyman-alpha and Lyman-beta. This paper focuses on the Lyman-beta emission feature, that may include contributions from other atoms, such as neutral and highly-ionized oxygen.



Scientific Discipline
Neighborhood
Type
Main Session
Discussion