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Coma Volatile Composition and Thermal Physics in Comet C/2022 E3 (ZTF) Measured near Closest Approach to Earth with NASA-IRTF

  • Authors: Nathan X. Roth, Michael A. DiSanti, Boncho P. Bonev, Neil Dello Russo, Erika L. Gibb, Ronald J. Vervack, Mohammad Saki, Adam J. McKay, Hideyo Kawakita, Stefanie N. Milam, Martin A. Cordiner, Kiernan D. Foster

Nathan X. Roth et al 2026 The Planetary Science Journal 7 .

  • Provider: AAS Journals

Caption: Figure 9.

Top: spatial profiles of column density (black) and rotational temperature (red) for H2O in E3 with the slit positioned along the projected Sun–comet line. The stellar PSF (dashed) is also shown, along with the orientation of the slit. The black bar indicates the ﹩0\mathop{.}\limits{^{\prime\prime} }7﹩ seeing. Bottom: spatial profiles of H2O column density and rotational temperature in E3 with the slit oriented perpendicular to the projected Sun–comet line.

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