The Lyα Sky as Observed by New Horizons at 57 au

The Lyα Sky as Observed by New Horizons at 57 au

During 2023 September the Alice ultraviolet spectrograph on the New Horizons (NH) spacecraft was used to map diffuse Lyα emission over most of the sky, at a range of ∼56.9 au from the Sun. At that distance, models predict that the interplanetary medium Ly α emissions result from comparable amounts o...

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Bibliographic Details
Main Authors: G. Randall Gladstone, J. Michael Shull, Wayne R. Pryor, Jonathan Slavin, Joshua A. Kammer, Tracy M. Becker, Tod R. Lauer, Marc Postman, John R. Spencer, Joel Wm. Parker, Kurt D. Retherford, Michael A. Velez, Maarten H. Versteeg, Michael W. Davis, Cynthia S. Froning, Camden D. Ertley, Nathaniel Cunningham, Jayant Murthy, Richard C. Henry, Seth Redfield, Carey M. Lisse, Kelsi N. Singer, Anne J. Verbiscer, Pontus C. Brandt, S. Alan Stern
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astronomical Journal
Subjects:
Interstellar medium
Interstellar scattering
Interstellar line emission
Online Access:https://doi.org/10.3847/1538-3881/adc000
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