Open Access
Table 2.
Lines extracted from the SPROUTS dataset.
| Spectral lines | logT (K) | FIP (eV) | Transition | Sub-windows (Å) |
|---|---|---|---|---|
| O I 988.6 | 4.2 | 13.6 | 2s2 2p43P2 – 2s2 2p32D0 | 987.4–989.1 |
| H I 972.5 | 4.5 | 13.6 | 1s22S1/2 – 5p 2P1/2 | 969.0–974.5 |
| O II 718 (mult.) | 4.7 | 13.6 | 2s2 2p32D5/2 – 2s 2p42D5/2 | 716.3–720.9 |
| C III 977 | 4.8 | 11.3 | 2s21S0 – 2s 2p 1P1 | 974.5–980.3 |
| N III 989 * | 4.8 | 14.5 | 2s2 2p 2P1/2 – 2s 2p22D3/2 | 989.1–990.6 |
| N III 991 * | 4.8 | 14.5 | 2s2 2p 2P3/2 – 2s 2p22D3/2 | 990.6–993.4 |
| O III 702.8 * | 4.9 | 13.6 | 2s2 2p23P1 – 2s 2p33P0 | 700.3–703.1 |
| O III 703.8 * | 4.9 | 13.6 | 2s2 2p23P2 – 2s 2p33P1 | 703.1–704.8 |
| S IV 750 * | 5.0 | 10.4 | 3s2 3p 2P3/2 – 3s 3p22P3/2 | 749.8–752.5 |
| S V 786 * | 5.2 | 10.4 | 3s21S0 – 3s 3p 1P1 | 784.2–787.0 |
| O IV 787 * | 5.2 | 13.6 | 2s2 2p 2P1/2 – 2s 2p22D3/2 | 787.0–789.8 |
| O VI 1032 * | 5.4 | 13.6 | 1s2 2s 2S1/2 – 1s2 2p 2P3/2 | 1029.1–1034.9 |
| Ne VIII 770 * | 5.8 | 21.6 | 1s2 2s 2S1/2 – 1s2 2p 2P3/2 | 767.2–771.5 |
| Mg VIII 772 | 5.9 | 7.6 | 2s2 2p 2P3/2 – 2s2p24P5/2 | 771.5–775.2 |
| Mg IX 749 | 6.0 | 7.6 | 2s2 2p 1P1 – 2p21D2 | 747.8–749.8 |
| Mg IX 706 | 6.0 | 7.6 | 2s21S0 – 2s 2p 3P1 | 704.85–708.1 |
Notes. Estimated temperature of formation for each spectral line and the wavelength window used to determine the Gaussian fitting parameters. The lines marked with * have been used in the DEM computation.
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