Astronomical imaging Fourier spectroscopy at far-infrared wavelengths

被引：4
|
作者：
Naylor, David A. [1 ]
Gom, Brad G. [1 ]
van der Wiel, Matthijs H. D. [1 ]
Makiwa, Gibion [1 ]
机构：
[1] Univ Lethbridge, Inst Space Imaging Sci, Dept Phys & Astron, Lethbridge, AB T1K 3M4, Canada
来源：
CANADIAN JOURNAL OF PHYSICS | 2013年 / 91卷 / 11期
基金：
加拿大创新基金会; 加拿大自然科学与工程研究理事会;
关键词：
CLERK MAXWELL TELESCOPE; TRANSFORM SPECTROMETER; SUBMILLIMETER; MISSION; MILLIMETER; ASTROPHYSICS; GALAXIES; SCUBA-2; CAMERA;
D O I：
10.1139/cjp-2012-0571
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
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.
引用
收藏
页码：870 / 878
页数：9
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