1 Yongliang Zhang for the SSUSI Team Yongliang Zhang

2 SSUSI Auroral Products  Why are there Aurora?  Auroras: visible consequence of M-I coupling  Many applications: space weather monitoring, sources of input and validation for models  What they are?  How to access them?

3 List of SSUSI auroral products  Auroral images in five “colors”  121.6, 130.4, nm, LBHS ( nm), and LBHL ( nm).  Electron energy flux and mean energy  Height integrated conductance  Hemispheric power  HmE and NmE  Equatorward and poleward boundaries  Discrete aurora arcs  Field-aligned aurora mapping  Aurora forecast

4 Examples of SSUSI auroral images N2 LBHS ( nm) N2 LBHL( nm)

5 O nm O nm

6 Proton aurora (121.6 nm)

7 Thin auroral arcs

8

9 Assimilation of measured SSUSI NmE and boundary in IRI (Kp =4.3, April 1, 2007, 8:59UT)

10 How to access SSUSI auroral products?  Go to ssusi.jhuapl.edu  Quick look  Gallery, Google EDR-Auroral  Select SSUSI (f16, f17, f18, f19), year, day, orbit number  Data files  Data, Data products, f16_AUR, select year, date, download NetCDF files from the list  Some Auroral Data is now available in SPDF and CDAweb (search DMSP data)  Questions?  Contact SSUSI team (Paxton, Schaefer, Romeo, Zhang)