Table 2.
Lines extracted from the mosaic dataset, and the wavelength window used to determine the Gaussian parameters for the fitting.
| Spectral lines | log T (K) | FIP (eV) | Transition | Sub-windows (Å) | Spectral bin |
|---|---|---|---|---|---|
| O I 988.6 | 4.2 | 13.6 | 2s2 2p4 3P2–2s2 2p3 2D0 | 987.4–989.1 | (1,1) |
| N III 989 | 4.8 | 14.5 | 2s2 2p2 P1/2–2s 2p2 2D3/2 | 989.1–990.6 | (1,1) |
| N III 991 (*) | 4.8 | 14.5 | 2s2 2p2 P3/2–2s 2p2 2D3/2 | 990.6–993.4 | (1,1) |
| O III 702.8 (*) | 4.9 | 13.6 | 2s2 2p2 3P1–2s 2p3 3P0 | 700.3–703.1 | (1,1) |
| O III 703.8 | 4.9 | 13.6 | 2s2 2p2 3P2–2s 2p3 3P1 | 703.1–704.85 | (1,1) |
| S IV 748 | 5.0 | 10.4 | 3s2 3p 2P1/2–3s 3p2 2P1/2 | 746.1–749.0 | (1,1) |
| S IV 750 | 5.0 | 10.4 | 3s2 3p 2P3/2–3s 3p2 2P3/2 | 749.0–752.3 | (1,1) |
| N IV 765 (1) (*) | 5.1 | 14.5 | 2s2 1S0–2s 2p 1P1 | 762.37–767.15 | (2,1) |
| S V 786 (*) | 5.2 | 10.4 | 3s2 1S0–3s 3p 1P1 | 784.2–787.0 | (1,1) |
| O IV 787 (*) | 5.2 | 13.6 | 2s2 2p 2P1/2–2s 2p2 2D3/2 | 787.0–789.8 | (1,1) |
| O VI 1032 (*) (1) | 5.4 | 13.6 | 1s2 2s 2S1/2–1s2 2p 2P3/2 | 1029.14–1034.91 | (2,1) |
| Ne VIII 770 (*) | 5.8 | 21.6 | 1s2 2s 2S1/2–1s2 2p 2P3/2 | 767.2–771.5 | (2,1) |
| Mg VIII 772 | 5.9 | 7.6 | 2s2 2p 2P3/2–2s 2p2 4P5/2 | 771.5–775.2 | (2,1) |
| Mg IX 706 (*) | 6.0 | 7.6 | 2s2 1S0–2s 2p 3P1 | 704.85–708.1 | (1,1) |
Notes. In bold are the four lines we use for the LCR relative FIP bias measurements. Lines marked with (*) were used to infer the DEM. Lines with an index (1) indicate those which only require a single Gaussian fit, therefore the ones that should give the best results. Windows marked with a bin of (2,1) were binned in the spectral direction by a factor of two on-board, the rest were not.
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