Srivastava, A. K; Singh, J; Dwivedi, B. N; Muneer, S; Sakurai, T; Ichimoto, K
(Astronomical Society of India, 2007-12)
We consider the first 27-level atomic model of Fe XIII (5.9 K < log Te < 6.4 K) to estimate its ground level populations, taking account of electron as well as proton collisional excitations and de-excitations, radiative ...