Mathematics – Logic
Scientific paper
Jan 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004adspr..34..578j&link_type=abstract
Advances in Space Research, Volume 34, Issue 3, p. 578-582.
Mathematics
Logic
2
Astro-F, Far-Infrared Surveyor, Image Processing Techniques, Photometry Of Galaxies, Cosmological Observations, Infrared Observations Of Galaxies
Scientific paper
The far-infrared surveyor (FIS) is one of the focal-plane instruments on the ASTRO-F mission which will be launched in early 2004. The purpose of the FIS is to perform an all-sky survey in the wavelength range 50-200 μm. We are developing a suite of software that simulates the observations with this instrument to check the performance of the ASTRO-F/FIS as a whole and to prepare input data sets for the data analysis and reduction software prior to launch. The detection limit of the FIS is affected by many factors: the performance of the entire system, the brightness of sky and telescope emission, readout process, and the distribution of the celestial sources. The input model for FIS simulator consists of a catalogue of extragalactic point sources generated from the luminosity function at 60 μm, and a redshift distribution incorporating pure luminosity evolution (Ω0=1,Λ=0). We present the expected source count results from the FIS survey and estimate the limiting redshift as ~2.5 in the band at 50-110 μm and ~3 in the band at 110-200 μm.
Jeong Woong-Seob
Kawada Mitsunobu
Lee Hyung Mok
Nakagawa Takao
Pak Soojong
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