The Photodetector Array Camera & Spectrometer (PACS) for the Herschel Space Observatory

被引：15

作者：

Poglitsch, A ^{[1
]}

Waelkens, C ^{[1
]}

Geis, N ^{[1
]}

机构：

[1] Max Planck Inst Extraterr Phys, D-85741 Garching, Germany

来源：

IR SPACE TELESCOPES AND INSTRUMENTS, PTS 1 AND 2 | 2003年 / 4850卷

关键词：

instruments : far infrared; instruments : space; instruments; photometer; integral field spectrometer; missions : Herschel;

D O I：

10.1117/12.461232

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

The Photodetector Array Camera and Spectrometer (PACS) is one of the three science instruments for ESA's far infrared and submillimetre observatory, Herschel. It employs two Ge:Ga photoconductor arrays (stressed and unstressed) with 16 x 25 pixels, each, and two filled Si bolometer arrays with 16 x 32 and 32 x 64 pixels, respectively, to perform imaging line spectroscopy and imaging photometry in the 60 - 210 mum wavelength band. In photometry mode, it will simultaneously image twJo bands, 60 - 85 or 85 - 130 mum and 130 - 210 mum, over a field of view of similar to 1.75' x 3.5', with full beam sampling in each band. In spectroscopy mode, it will image a field of similar to 50" x 50", resolved into 5 x 5 pixels, with an instantaneous spectral coverage of similar to 1500 km/s and a spectral resolution of similar to 175 km/s. In both modes background-noise limited peformance is expected, with sensitivities (5sigma, in 1h) of similar to 3 mJy or 3 - 10 x 10(-18) W/m(2) respectively.

引用

页码：662 / 673

页数：12

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