Line

λ nm

Transition

ΔE eV

A_ki × 10⁸ S⁻¹

Mg I

383.8

3s3d³D → 3s3p³P

3.22

1.68

Mg I

518.3

3s4s³S → 3s3p³P

2.38

0.57

Mg I

470.3

3s5d¹D → 3p¹

2.63

0.22

Mg I

552.8

3s4d¹D→3p¹

2.24

0.14

H_β

486.1

4d²D → 2p²P

2.55

0.172

Na I

589.5

3p²P → 3s²S

1.36

0.614