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Interstellar Ultraviolet Lyα High Resolution Mapping from the New Horizons P-Alice Instrument

  • Authors: Tracy M. Becker, G. Randall Gladstone, Joel Wm. Parker, J. Michael Shull, Seth Redfield, Sarah Ruetschle, Nathaniel J. Cunningham, Cynthia S. Froning, Joshua A. Kammer, John R. Spencer, Marc Postman, Tod R. Lauer, Jayant Murthy, Maarten H. Versteeg, Jon P. Pineau, Kurt D. Retherford, Anne J. Verbiscer, Pontus C. Brandt, Kelsi N. Singer, S. Alan Stern

Tracy M. Becker et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 2.

The position of the Alice FOV boresight at a 1 s interval cadence (black dots) shows that the jitter of the spacecraft pointing was on the order of 0﹩\mathop{.}\limits^{\unicode{x000b0}}﹩1. The arrows point in the direction of motion of the spacecraft slew. The magnitude of the jitter is within the PSF of the detector and therefore does not introduce additional errors in how we map the high spatial resolution measurements of Lyα.

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