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

Open Access

Fig. 17

Comparison of the tailward spectra of 20F3 and that of comet C/2016 R2 reported by Venkataramani et al. (2020). The two comets were not at all at the same distance from the Sun at the time of observation. This therefore merely illustrates the comparison with a comet that is well known to be rich in $N_{2}^{+}$ ${\rm{N}}_{\rm{2}}^{\rm{ + }}$ and CO⁺.

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