Rangarajan, K. E; Mohan Rao, D; Peraiah, A
(Indian Institute of Astrophysics, Bangalore, 1981)
Ca II H and K (3968, 3933) and infrared triplet lines lamda lamda lamda 8498, 8662, 8542 were calculated in a very slowly expanding medium. Five level atom with continuum was considered. Radiative transfer equation and ...