Universität zu Köln

Murakami, Noriko, Kawada, Mitsunobu, Takahashi, Hidenori, Okada, Yoko ORCID: 0000-0002-6838-6435, Yasuda, Akiko, Ootsubo, Takafumi, Kaneda, Hidehiro, Matsuo, Hiroshi ORCID: 0000-0003-3278-2484, Baluteau, Jean-Paul, Davis-Imhof, Peter, Gom, Brad G., Naylor, David A., Zavagno, Annie ORCID: 0000-0001-9509-7316, Yamamura, Issei, Matsuura, Shuji, Shirahata, Mai, Doi, Yasuo ORCID: 0000-0001-8746-6548, Nakagawa, Takao and Shibai, Hiroshi (2010). Calibration of the AKARI Far-Infrared Imaging Fourier-Transform Spectrometer. Publ. Astron. Soc. Jpn., 62 (5). S. 1155 - 1167. OXFORD: OXFORD UNIV PRESS. ISSN 2053-051X

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Abstract

The Far-Infrared Surveyor (FIS) onboard the AKARI satellite has a spectroscopic capability provided by a Fourier transform spectrometer (FIS-FTS). FIS-FTS is the first space-borne imaging FTS dedicated to far-infrared astronomical observations. We describe the calibration process of the FIS-FTS, and discuss its accuracy and reliability. The calibration is based on observational data of bright astronomical sources as well as two instrumental sources. We have compared the FIS-FTS spectra with the spectra obtained from the Long Wavelength Spectrometer (LWS) of the Infrared Space Observatory (ISO), having a similar spectral coverage. The present calibration method accurately reproduces the spectra of several solar system objects having a reliable spectral model. Under this condition the relative uncertainty of the calibration of the continuum is estimated to be +/- 15% for SW, +/- 10% for 70-85 cm(-1) of LW, and +/- 20% for 60-70 cm(-1) of LW; and the absolute uncertainty is estimated to be +35%/-55% for SW, +35%/-55% for 70-85 cm(-1) of LW, and +40%/-60% for 60-70 cm(-1) of LW. These values have been confirmed by comparisons with theoretical models and previous observations by the ISO / LWS.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Murakami, Noriko UNSPECIFIED UNSPECIFIED UNSPECIFIED Kawada, Mitsunobu UNSPECIFIED UNSPECIFIED UNSPECIFIED Takahashi, Hidenori UNSPECIFIED UNSPECIFIED UNSPECIFIED Okada, Yoko UNSPECIFIED orcid.org/0000-0002-6838-6435 UNSPECIFIED Yasuda, Akiko UNSPECIFIED UNSPECIFIED UNSPECIFIED Ootsubo, Takafumi UNSPECIFIED UNSPECIFIED UNSPECIFIED Kaneda, Hidehiro UNSPECIFIED UNSPECIFIED UNSPECIFIED Matsuo, Hiroshi UNSPECIFIED orcid.org/0000-0003-3278-2484 UNSPECIFIED Baluteau, Jean-Paul UNSPECIFIED UNSPECIFIED UNSPECIFIED Davis-Imhof, Peter UNSPECIFIED UNSPECIFIED UNSPECIFIED Gom, Brad G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Naylor, David A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Zavagno, Annie UNSPECIFIED orcid.org/0000-0001-9509-7316 UNSPECIFIED Yamamura, Issei UNSPECIFIED UNSPECIFIED UNSPECIFIED Matsuura, Shuji UNSPECIFIED UNSPECIFIED UNSPECIFIED Shirahata, Mai UNSPECIFIED UNSPECIFIED UNSPECIFIED Doi, Yasuo UNSPECIFIED orcid.org/0000-0001-8746-6548 UNSPECIFIED Nakagawa, Takao UNSPECIFIED UNSPECIFIED UNSPECIFIED Shibai, Hiroshi UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-494146
DOI:	10.1093/pasj/62.5.1155
Journal or Publication Title:	Publ. Astron. Soc. Jpn.
Volume:	62
Number:	5
Page Range:	S. 1155 - 1167
Date:	2010
Publisher:	OXFORD UNIV PRESS
Place of Publication:	OXFORD
ISSN:	2053-051X
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language GE-GA ARRAY; TRANSIENT-RESPONSE; GALACTIC-CENTER; SURVEYOR FIS; ASTRO-F; MISSION; EMISSION; DETECTOR; PERFORMANCE; TELESCOPE Multiple languages Astronomy & Astrophysics Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/49414