An Etymological Dictionary of Astronomy and Astrophysics

A band in the → absorption spectrum of → ozone (O₃) extending in the → ultraviolet from 200 nm to 300 nm. It is stronger than the → Huggins band. See also: → Hartley band.

See also: W. N. Hartley, J. Chem. Soc. 39, 111 (1881).