OMTIs

Optical Mesosphere Thermosphere Imager

Lead Scientist: Prof. Kazuo Shiokawa
Organization: Solar-Terrestrial Environment Laboratory (STEL), Nagoya University, Japan
Objective: Dynamics of the upper atmosphere through nocturnal airglow emissions

Optical Mesosphere Thermosphere Imager) has been operative at Resolute Bay, Canada (geographic latitude 74.7; geomagnetic latitude 82.9) since January 2005. Primary target of this optical measurement is polar cap patches, which are defined as a region of plasma density enhancements drifting anti-sunward across the polar cap. Since plasma density enhancement within the patch approximates to a factor of 2 or more at F-region heights, the highly sensitive optical instrument can figure out spatial structure of patches at 630nm wavelength.

Current Instrument Map (February, 2010)

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