Discovery of fulvenallene in TMC-1 with the QUIJOTE line survey

José Cernicharo, Raúl Fuentetaja, Marcelino Agúndez +6

We report the detection of fulvenallene ($c$-C${}_5$H${}_4$CCH${}_2$) in the direction of TMC-1 with the QUIJOTE line survey. Thirty rotational transitions with $K_a$=0,1,2,3 and $J$=9-1…