Spectroscopy of AlO: Combined analysis of the A2Πi → X2Σ+ and B2Σ+ → X2Σ+ transitions

► Combined analysis of the A-X and B-X systems of AlO. ► A new interpretation of the B-X transition of AlO. ► Revised γ values for the B and X states. ► New molecular constants for the B and X states. ► Analysis based on nuclear hyperfine effects.