Observations of [O I] emission in Comets C/2014 Q2 (Lovejoy) and C/2007 N3 (Lulin): Possible Influence of Solar Activity on Oxygen Line Ratios

Ella J. Mayfield, Adam J. McKay, Michael S. P. Kelley +1

Observing [O I] emission to calculate an "oxygen line ratio" has been proposed as a potential proxy for direct CO${}_2$ measurement in comets. However, the photochemistry governing […