Discovery of interstellar phenalene ($c$-C${}_{13}$H${}_{10}$): A new piece for the chemical puzzle of PAHs in space

Carlos Cabezas, Marcelino Agúndez, Cristóbal Pérez +10

We present the discovery of the unsubstituted polycyclic aromatic hydrocarbon (PAH) phenalene ($c$-C${}_{13}$H${}_{10}$) in TMC-1 as part of the QUIJOTE line survey. In spite of the lo…