Current Status of ASTRO-F

Astronomy and Astrophysics – Astronomy

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Infrared Astronomy, Sky Survey, Space Observatory

Scientific paper

The ASTRO-F is the second infrared astronomy mission of the Institute of Space and Astronautical Science (ISAS). The ASTOR-F is a 70-cm cooled telescope dedicated to infrared sky survey. It will be launched with ISAS's launch vehicle M-V, into a sun-synchronous polar orbit. The current programed launch date is February, 2004. One of the two focal-plane instruments, the Far-Infrared Surveyor (FIS), will survey the entire sky in the wavelength range from 50 to 200 micron with a sensitivity much higher than that of the IRAS survey. The other one, the Infrared Camera (IRC), employs large-format detector arrays and will take very deep images of wide sky regions in the near and mid infrared range. New infrared source catalogs provided by the ASTRO-F will give a valuable base for the further research by large space missions like the HII/L2. The ASTRO-F project is now in a design-fixing phase. The flight model design will be finalized within this year, based on the results of various tests using a structure model and a thermal model of the satellite, and also electrical protomodels of each component. The flight model fabrication will be completed in 2001. It will be launched at the beginning of 2004, after system tests and refurbishment over two years.

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