THE OPTICALLY THICK C-III SPECTRUM .2. LEVEL TERM POPULATIONS AND LINE MULTIPLET INTENSITIES USING AN IMPROVED HYBRID MODEL

An improved hybrid level/term calculation is employed to obtain C III level/term populations and line/fractional multiplet intensities over the extended range of electron density 4.0 less-than-or-equal-to log N(e) less-than-or-equal-to 12.0, for column lengths L ranging from zero (optically thin) to 10(20) cm-2 (moderately optically thick), at electron temperatures T(e) approximately 40,000 K (log T(e) = 4.6), T(e) approximately 63,000 K (log T(e) = 4.8), T(e) approximately 79,500 K (log T(e) = 4.9), and T(e) = 100,000 K (log T(e) = 5.0). The tabulated results are relevant to the interpretation of space observations obtained over extended spectral ranges by new and planned facilities including the Hopkins Ultraviolet Telescope (HUT) and the Far-Ultraviolet Spectrographic Explorer (FUSE).