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Table 1

Some of the prominent EIS lines present in the CAM_QS_2AS_CONTEXT study used.

Ion λ (Å) Waveband Region log Tmax(K)

He II 256.320 lw Chromosphere 4.9
O V 192.910 sw TR 5.4
Fe VIII 185.216 sw Low Corona 5.6
Si VII* 275.35 lw Corona 5.8
Mg VII* 278.395 lw Corona 5.8
Fe X* 184.543 sw Corona 6.0
Fe XII 186.880 sw Corona 6.2
Fe XII* 195.119 sw Corona 6.2
Si X* 261.056 lw Corona 6.2
Fe XIII* 202.044 sw Corona 6.2
Fe XV* 284.160 lw Hot Corona 6.4
Fe XVI* 262.984 lw Hot Corona 6.8

Notes. TR refers to the transition region while SW and LW refer to the short and long wavebands of the EIS CCDs. The approximate temperature Tmax of line formation is also shown.

*

indicates that these lines were used in the Emission Measure Loci discussed in Sect. 3.1.

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