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Table 1

List of the used lines.

λ Transitions

1108 3s3d   3D1–3s3p   3P0
1109 (3s3d   3D1–3s3p   3P1) + (3s3d   3D2–3s3p   3P1)
1113 (3s3d   3D1–3s3p   3P2) + (3s3d   3D2–3s3p   3P2) + (3s3d   3D3–3s3p   3P2)
1206 3s3p   1P1–3s2   1S0
1294 3p2   3P2–3s3p   3P1
1296 3p2   3P1–3s3p   3P0
1298 (3p2   3P2–3s3p   3P2) + (3p2   3P1–3s3p   3P1)
1301 3p2   3P0–3s3p   3P1
1313 3s4s   1S0–3s3p   1P1

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