Omega bands - last update: 11 May 1998, 1830 UT (RR)

Omega bands are large scale, discrete auroral folds or wavy structures that may sometimes develop into torch-like structures extending toward the pole (Akasofu and Kimball, 1964; Akasofu, 1974). Their main properties are:

For some recent modeling and observation of the omega bands, see Yamamoto et al. (1997) and Pulkkinen et al. (1998), respectively.


See also: