Exhaustive review of the HD transitions reported in the literature up to 20,000 cm⁻¹.

First spectra recorded by high sensitivity CRDS-VECSEL near 2.3 μm.

First detection of the S(3) quadrupole electric transition of HD fundamental band.

Agreement with advanced ab initio calculations within experimental uncertainties.

Measurement of the HD collision induced absorption (CIA) near 4360 cm^−1.