The ratio of CAII 8542 Angstrom to H.beta. line intensities has been computed theoritically using a grid of isobaric - isothermal prominence models. The results are compared with recent observations.
The ratio of CAII 8542 Angstrom to H.beta. line intensities has been computed theoritically using a grid of isobaric - isothermal prominence models. The results are compared with recent observations. (en)