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Hidden Molecular Bullets in Compact Young Planetary Nebulae

  • Authors: Kyle F. Kaplan, Harriet L. Dinerstein, Daniel T. Jaffe

Kyle F. Kaplan et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 3.

Spectroastrometric positions as a function of velocity for selected lines determined from the first moment in position. The H2 1–0 S(1) line contours are overplotted for comparison. The H I, He I, and [Kr III] lines trace the central ionized zone of each PN. The Fe lines do not follow the ionized zone for Vy 2-2 and Hen 2-459.

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