Astronomical imaging Fourier spectroscopy at far-infrared wavelengths-Reference-Cited by-同舟云学术

Astronomical imaging Fourier spectroscopy at far-infrared wavelengths

Published:2013-11 Issue:11 Volume:91 Page:870-878
ISSN:0008-4204
Container-title:Canadian Journal of Physics
language:en
Short-container-title:Can. J. Phys.

Author:

Naylor David A.¹,Gom Brad G.¹,van der Wiel Matthijs H.D.¹,Makiwa Gibion¹

Affiliation:

1. Institute for Space Imaging Science, Department of Physics and Astronomy, University of Lethbridge, Lethbridge, AB T1K 3M4, Canada.

Abstract

The principles and practice of astronomical imaging Fourier transform spectroscopy (FTS) at far-infrared wavelengths are described. The Mach–Zehnder (MZ) interferometer design has been widely adopted for current and future imaging FTS instruments; we compare this design with two other common interferometer formats. Examples of three instruments based on the MZ design are presented. The techniques for retrieving astrophysical parameters from the measured spectra are discussed using calibration data obtained with the Herschel–SPIRE instrument. The paper concludes with an example of imaging spectroscopy obtained with the SPIRE FTS instrument.

Publisher

Canadian Science Publishing

Subject

General Physics and Astronomy

Link

http://www.nrcresearchpress.com/doi/pdf/10.1139/cjp-2012-0571

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