A(eff.) Transition H2 D2 T2 HD HT DT D'1 - X1 1.2912e+08 1.3001e+08 1.3076e+08 1.2960e+08 1.2983e+08 1.3054e+08 Tau(eff.) = 7.7447e-09 7.6917e-09 7.6477e-09 7.7161e-09 7.7025e-09 7.6605e-09