ASTRO-F Survey as Input Catalogues for FIRST


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ASTRO-F is the second Japanese space mission for infrared astronomy and is scheduled to be launched into a sun-synchronous polar orbit by the Japanese M-V rocket in February 2004. ASTRO-F has a cooled 67 cm telescope with two focal plane instruments: one is the Far-Infrared Surveyor (FIS) and the other is the Infrared Camera (IRC). The main purpose of FIS is to perform the all-sky survey with four photometric bands in the wavelength range of 50 - 200 $mu$m. The advantages of the FIS survey over the IRAS survey are (1) higher spatial resolution ($30$ at 50-110 $mu$m and $50$ at 110-200 $mu$m) and (2) better sensitivity by one to two orders of magnitude. The FIS survey will provide the next generation far-infrared survey catalogs, which will be ideal inputs for observations by FIRST. The other instrument, IRC, will make deep imaging and low-resolution spectroscopic observations in the spectral range of $1.8-26 mu$m. The IRC will make large-area surveys with its wide field of view ($10 times 10$), and will be complementary with the FIRST observations at longer wavelengths.

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