We are developing a near-infrared camera (TOPICS) and a high-dispersion Echelle spectrograph (wavelength resolution ~20,000) for near-infrared observations...

Multi-wavelength observations of ground-based all-sky cameras are important for understanding the morphology and other characteristics of the aurora....

OCTAVES (Observation of CondiTion of ionized Atmosphere by VLF Experiment) is a VLF/LF ionosphere observation network that measures...

Pulsating aurora is one type of aurora which variates with a period of several seconds. Recently, it has...

FACTORS is a future formation flight satellite mission at an altitude range up to thousands of kilometers of...

We observe auroral emissions from both space and ground, and combine them with satellites and ground-based radar to...

Auroral Kilometric Radiation (AKR), a type of auroral radio emission from Earth, is closely associated with various phenomena...