Franck-Condon factors and r-centroids for certain band systems of astrophysical molecules SrF and ScF

Abstract

The Franck-Condon factors and r-centroids, which are very closely related to vibrational transition probabilities, have been evaluated by the more reliable numerical integration procedure for the bands of B 2∑+ X 2∑+, F 2∑+ X 2∑+ systems of SrF and C 1∑+ X 1∑+, G 1Π X 1∑+ systems of ScF molecules of astrophysical interest, using a suitable potential.