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The AKARI Far-Infrared Surveyor (FIS): all–sky Diffuse Map

Published online by Cambridge University Press:  05 December 2011

Shinya Komugi
Affiliation:
Institute of Space and Astronautical Science, Japan Exploration Agency, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa, Japan, email: skomugi@ir.isas.jaxa.jp Joint ALMA Observatory, Alonso de Cordova 3107, Vitacura, Santiago, Chile National Astronomical Observatory of Japan, Osawa 2-21-1, Mitaka, Tokyo, Japan
Yasuo Doi
Affiliation:
Department of Earth Science and Astronomy, Graduate School of Arts and Sciences, The University of Tokyo, Komaba 3-8-1, Meguro, Tokyo 153-8902, Japan
Makoto Hattori
Affiliation:
Astronomical Institute, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
Yoshimi Kitamura
Affiliation:
Institute of Space and Astronautical Science, Japan Exploration Agency, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa, Japan, email: skomugi@ir.isas.jaxa.jp
Takafumi Otsubo
Affiliation:
Astronomical Institute, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
Masahiro Tanaka
Affiliation:
Center for Computational Sciences, Tsukuba University, 1-1-1 Tennodai, Tsukuba-city, Ibaraki 305-8577, Japan
Norio Ikeda
Affiliation:
Institute of Space and Astronautical Science, Japan Exploration Agency, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa, Japan, email: skomugi@ir.isas.jaxa.jp
Daisuke Kato
Affiliation:
Institute of Space and Astronautical Science, Japan Exploration Agency, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa, Japan, email: skomugi@ir.isas.jaxa.jp
Takao Nakagawa
Affiliation:
Institute of Space and Astronautical Science, Japan Exploration Agency, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa, Japan, email: skomugi@ir.isas.jaxa.jp
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Abstract

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The infrared astronomical satellite AKARI performed an all sky survey at six infrared bands. We report here on the calibration of the all-sky image data, observed in the four long wavelength bands with the FIS instrument (AKARI Far-infrared All Sky Survey : AFASS). The preliminary image attains a calibration uncertainty and sensitivity of better than ~ 30% and ~ 10 MJy str−1, respectively, for all four bands. The point spread function (PSF) is obtained via a stacking technique. The data are shown to be useful for exploring the internal structure and dust spectral energy distributions (SEDs) of nearby galaxies.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2011

References

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