Quasilinear fluorescence spectrum for anthracene in a gaseous phase with high resolution

Investigations performed on a DFS-454 high-resolution spectrograph with a dispersion of ～1 Å/mm are reported. The presence of a fine structure of the individual quasilines at T=418 K and p=0.29 torr is revealed. For a 390 cm^?1 vibration quasiline, six components that are grouped into doublets are recorded.