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On the line intensity ratios E(Hα)/E(D3) and E(Hβ)/E(D3) in prominences |
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| Authors: | G Stellmacher |
| Institution: | (1) Institut d'Astrophysique, Paris, France |
| Abstract: | The intensity ratios E(H )/E(D3) and E(H )/E(D3) in prominences depend on the total optical thickness in H of the layer. The emission of the He D3 line appears relatively enhanced in thin layers and in outer parts of the prominences. |
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