Auroral activity observed during the SC event on June 22 in 2015

Akira Kadokura

Presentation information

Oral

Symbol P (Space and Planetary Sciences) » P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

[P-EM18] Dynamics in magnetosphere and ionosphere

Wed. May 25, 2016 3:30 PM - 5:00 PM 103 (1F)

Convener:*Tomoaki Hori(Institute for Space-Earth Environmental Research, Nagoya University), Yoshimasa Tanaka(National Institute of Polar Research), Aoi Nakamizo(Applied Electromagnetic Research Institute, National Institute of Information and Communications Technology), Mitsunori Ozaki(Faculty of Electrical and Computer Engineering, Institute of Science and Engineering, Kanazawa University), Shin'ya Nakano(The Institute of Statistical Mathematics), Yoshizumi Miyoshi(Institute for Space-Earth Environmental Research, Nagoya University), Chair:Tetsuo MOTOBA(Nagoya University), Yuki Obana(Department of Engineering Science, Faculty of Engineering, Osaka Electro-Communication University)

3:45 PM - 4:00 PM

[PEM18-14] Auroral activity observed during the SC event on June 22 in 2015

*Akira Kadokura¹ (1.National Institute of Polar Research)

Keywords:SC event, Shock Aurora, Syowa Station

Auroral activity observed at Syowa Station during the SC event on June 22, 2015 will be analyzed.
Some features of this event are as follows:
(UT)
18:03 Shock arrival at ACE position
18:33 SSC at Kakioka, maximum:+104nT
18:33:30 SC magnetic variation start at Syowa
18:34 Auroral variation appear at lowest horizon
18:40 Poleward expansion of auroral arc
18:40:30 Break of arc, N-S aurora; diffuse spread
19:32 poleward expansion again
19:54 spread from higher latitude to lower latitude
20:30 going back to calm
During this period, following optical instruments were operated at Syowa Station:
- All-sky Monochromatic imagers(427.8,557.7,485.0,480.5nm)
- All-sky panchromatic TV camera
- Multi-color Scanning Photometer
During this period, very bright proton auroral emission over 500 R was observed.
In our presentation, details of temporal variation of auroral activity will be shown..