High CO/H2 ratio supports an exocometary origin for a CO-rich debris disc

Open Access

Fig. A.2

Portion of an example spectrum (black) overlaid with the telluric fit (blue) produced by molecfit over the data from a single nodding position/day combination (the combined nodding A frames on the night of 08/03/2024). The locations of ¹²CO lines are marked with green dashed lines.

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