Detection of unidentified molecular pure rotational lines in C-rich PNe I. The fullerene-containing PN IC 418

T. Huertas-Roldán, J. P. Fonfría, J. Alcolea +7

Molecular emission is observed in a wide variety of astrophysical environments, yet a substantial fraction of spectral features detected at mm wavelengths remains unidentified. Ide…