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A Portrait throughout Perihelion of the NH2-rich Interstellar Comet 2I/Borisov

  • Authors: Sophie E. Deam, Michele T. Bannister, Cyrielle Opitom, Matthew M. Knight, Léa Ferellec, Ryan Ridden-Harper, Darryl Z. Seligman, Alan Fitzsimmons, Aurélie Guilbert-Lepoutre, Emmanuel Jehin, Laurent Jorda, Michael Marsset, Youssef Moulane, Philippe Rousselot, Pierre Vernazza, Bin Yang

Sophie E. Deam et al 2026 The Planetary Science Journal 7 .

  • Provider: AAS Journals

Caption: Figure 7.

Dust maps from Figure 6, enhanced by subtraction of azimuthal median with the same orientation as Figure 4. Dashed lines trace the consistent jetlike feature toward the northwest, shown with higher enhancement values. The length of the dashed annotations reflects the radial extent of the jet that is visible in these observations, which decreases as 2I receded from perihelion. Streak effects are due to background stars (minimized by the application of starkiller). The dark bands on 2019 November 14 are the edge of the image.

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