Ionic emission from and activity evolution in comet C/2020 F3 (NEOWISE): Insights from long-slit spectroscopy and photometry

Open Access

Fig. 7

Logarithmic production rates of OH, NH, CN, C₃, and C₂ detected in 20F3 as a function of time and heliocentric distance. The vertical dashed line indicates the perihelion on 3 July 2020, at 0.29 au. The red mark in each symbol represents the corresponding measurements from the spectroscopic observation.

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