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Table 1.
Atomic parameters used for the synthesis of the spectral maps
| Fe I λ 5434 Å | Fe I λ 5576 Å | |
|---|---|---|
| Central wavelength (Å) | 5434.5235 | 5576.0884 |
| Excitation potential (eV) | 1.0110557 | 3.43019 |
| log(gf) | −2.122 | −0.94 |
| Transition | 5F1 − 5D0 | 5F1 − 5D0 |
| Collisions | Barklem | Barklem |
| Damping sigma | 243 | 854 |
| Damping alpha | 0.247 | 0.232 |
Notes. The spectroscopic data of the selected lines are taken from the National Institute of Standards and Technology (NIST) Atomic Spectra Database (Kramida et al. 2018) and the data for collisional broadening by hydrogen are from Barklem et al. (1998).
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