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Photometric and Spectroscopic Observations of Comet 2P/Encke’s Nucleus in the Mid-infrared Wavelength Region

  • Authors: Takafumi Ootsubo, Hideyo Kawakita, Jun-ichi Watanabe, Hitomi Kobayashi, Yoshiharu Shinnaka

Takafumi Ootsubo et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 4.

Observed flux ratios between “early” and “late” observations (Flate/Fearly) compared with the modeled ratios of cross section (Slate/Searly) based on the prolate ellipsoid model using the aspect angle ﹩\alpha =71\mathop{.}\limits^{{\unicode{x000b0}}}7﹩ (K. Jockers et al. 2011 pole). The best-fit parameters are ﹩a/b=2.26﹩ and ﹩{\phi }_{0}=102^\circ ﹩ (see text).

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