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Space Utilization Research Program
Introduction to Research Themes Utilizing Kibo Exposed Facility.

1) All-sky X-ray Monitoring Mission
Research Team Leader:
Masaru Matsuoka
(Institute of Physical and Chemical Research (RIKEN), Cosmic Radiation Laboratory)

The long-term variability as well as transient outbursts of high-energy astronomical objects from all over the sky will be monitored by this instrument. This instrument has better detection sensitivity than previous all sky monitors. It is expected to provide a large amount of useful data to the astronomical community. Thus this might be a very meaningful research theme.
All-sky X-ray monitoring equipment is scheduled to be mounted in the Kibo Exposed Facility in the beginning of 2000. Due to a lack of a similar mission at that time, the observational data will often play a very important role because many astronomical transient and variable phenomena will be reported to all the astronomical communities which are making observations using large telescopes with narrow fields of view in space and on the ground.

2) Experimental Observations of Stratosphere by Superconducting Submillimeter Wave Limb Emission Sounder (SMILES)
Research Team Leader:
Harunobu Masuko
(CRL, Director of Global Environment Division)
Technology Development Leader:
Junji Inatani
(NASDA, Invited Researcher)

The mission is to demonstrate a new method of limb emission sounding at submillimeter wavelengths. The objective is to observe the stratospheric molecules which play decisive roles in the ozone layer destruction and global warming. A sensitive submillimeter receiver on board will acquire global emission data on trace gases such as HO2, NO, ClO and BrO, which originate from human activities. Chemical processes in the stratosphere as well as their regional and temporal variations will be revealed. The instrument adopts several new technologies in space to increase the sensitivity of those observations, including a superconductivity submillimeter sensor and a 4-Kelvin closed-cycle refrigerator. The mission technology and observation data will be important steps towards a more dedicated atmospheric research mission in the future.

3) Space Environment Measurement Mission
Research Team Leader:
Tateo Goka
(NASDA, Senior Engineer)

The Space Environment Measurement Mission research theme was proposed to further develop the space environment model. Radiation data, for example, will be measured by the Space Environment Data Acquisition Equipment (SEDA) during orbit of the Space Station and integrated into previously observed data. Gaining a quantitative understanding of these data is essential to evaluating experimental data and will be useful in designing measurement equipment. The data collected may lead to further use in related scientific research.

Last Updated : March 13, 2007

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