Table 1
Strong lines in the COSIE-S wavelength range.
Ion and wavelength (Å) | Log maximum temperature | Expected signal (ph s−1) |
||
---|---|---|---|---|
QS | AR | Flare | ||
O v 192.91 | 5.35 | 0.7 | 3.6 | 2120 |
O ivi 184.12 | 5.45 | 0.6 | 7.4 | 500 |
Fe viii 185.21 | 5.65 | 10.9 | 102 | 4460 |
Fe ix 188.50 | 5.85 | 10.1 | 104 | 1760 |
Fe x 184.54 | 6.05 | 18.8 | 234 | 2800 |
Fe xi 188.22 | 6.15 | 30.4 | 577 | 6570 |
Fe xii 195.12 | 6.20 | 30.8 | 1135 | 14,355 |
Fe xii 186.88 | 6.20a | 8.7 | 304 | 3800 |
Fe xiii 202.04 | 6.25 | 5.8 | 548 | 8620 |
Fe xiii 203.83 | 6.25a | 4.0 | 355 | 5520 |
S xi 191.27 | 6.30 | 0.5 | 50 | 960 |
Ar xiv 194.39 | 6.55 | 0.0 | 8.1 | 1130 |
Ca xiv 193.87 | 6.55 | 0.0 | 20.6 | 3500 |
Ca xv 200.97 | 6.65 | 0.0 | 13.6 | 4840 |
Ca xvii 192.86 | 6.75 | 0.0 | 26.2 | 62,200 |
Fe xxiv 192.04 | 7.25 | 0.0 | 0.0 | 80,690 |
The final three columns give the signal in the COSIE-S channel for three standard Chianti differential emission measures, assuming a density of 109 cm−3, under quiet sun, active region, and flare conditions folded through the COSIE-S effective area. Intensities are calculated using the solid angle associated with a COSIE-S pixel and integrated over the spectral line.
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