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Purpose of Mission
Outline of Satellite
Focal Plane Instruments
Operation Plan
Scientific Targets
Outreach - Q & A -

AKARI (Previously known as ASTRO-F or IRIS - InfraRed Imaging Surveyor) is the second space mission for infrared astronomy in Japan. AKARI has been developed by members of JAXA/ISAS and collaborators. IRAS (Infrared Astronomical Satellite, launched in 1983 by the United Kingdom, the United States, and the Netherlands) carried out the first all-sky survey at infrared wavelengths and made a huge impact on astronomy. The AKARI mission is an ambitious plan to make an all-sky survey with much better sensitivity, spatial resolution and wider wavelength coverage than IRAS. AKARI has a 68.5cm telescope cooled down to 6K, and will observe in the wavelength range from 1.7 (near-infrared) to 180 (far-infrared) micron. AKARI was successfully launched into space by a M-V rocket. AKARI has been placed in a sun-synchronous polar orbit of about 700 km.

AKARI operation completed

Japan Aerospace Exploration Agency reported that operation of the infrared astronomical satellite AKARI (ASTRO-F) was completed. The onboard transmitters were turned off at 17:23 (JST) on the November 24, 2011.

ISAS/JAXA Topics (November 24, 2011)

What's New

AKARI made a step to a key to understand the material evolution in the universe (March 2014)

A team of astronomers based at the University of Tokyo has made a significant step in better understanding the material evolution of the universe. Led by Ms Tamami I. Mori, a research fellow for the Japan Society for the Promotion of Science, the study may help to give new insights into complex carbon chemistry in the galaxy.


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Infrared Astrophysics Group