Dynamics of the dayside Aurora Australis

Details Dynamics of the dayside Aurora Australis Dynamics of the dayside Aurora Australis

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010adspr..45...39m&link_type=abstract

Advances in Space Research, Volume 45, Issue 1, p. 39-44.

Physics

Scientific paper

Current dayside optical studies of Aurora Australis from the Amundsen-Scott Research Station at the South Pole (74 degrees magnetic latitude) show some striking differences from optical results reported from Svalbard. A 6-channel meridian scanning photometer operating during the past three austral winters shows, in particular, the 630 nm emission is much lower, on average, than the Arctic dayside aurora and very weak on some days. The 558 nm intensity is higher relative to 630 nm suggesting the incoming electrons have a higher average energy. There are notable differences in auroral forms, giving further evidence of asymmetries in the two dayside ovals.

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