Species identified in the OES and their respective electronic transitions and intensities31.
| Species | Wavelength (nm) | Transition | Peak intensity | |
|---|---|---|---|---|
| 293 K | 273 K | |||
| CO2+ | 351 | FDB, A2Π → X2 ((υ′, 0, 0) → (υ′′, 0, 0)) | 74 | 95 |
| 94 | 78 | |||
| 367 | 77 | 81 | ||
| 385 | ||||
| CO2+ | 434.2 | FDB, A2Π → X2 ((υ′, 0, 0) → (υ′′, 0, 2)) | 88 | 96 |
| CO | 471.7 | Triplet system, d3Δ → a3Π | 66 | 76 |
| CO | 451 | Ångström system, B1Σ+–A1Π (0–0)a | 258 | 288 |
| 483 | B1Σ+–A1Π (0–1) | 421 | 426 | |
| 520 | B1Σ+–A1Π (0–2) | 555 | 549 | |
| 561 | B1Σ+–A1Π (0–3) | 407 | 408 | |
| 579 | B1Σ+–A1Π (0–4) | 216 | 227 | |
| 610 | Ångström system | 164 | 162 | |
| O | 751 | 3p5P → 3s5S0 | 177 | 124 |
| 777 | 316 | 305 | ||
| 178 | 190 | |||
| 845 | ||||
a
The Angstrom system of CO from the electronic transition of B1Σ+ → A1Π of CO is attributed to the v′ = 0 vibrational level of the upper electronic state to vibrational levels (v′′ = 0, 1, 2, 3, and 4) of the lower electronic state.