Franck-Condon factors and r-centroids for certain band systems of SiD, SiF and SiN molecules of astrophysical interestK. Nagarajan, M. Fernandez Gomez, J. J. Lopez Gonzalez and N. RajamanickamAstron. Astrophys. Suppl. Ser., 129 1 (1998) 157-159DOI: https://doi.org/10.1051/aas:1998177