WFOS: A wide field optical spectrograph for the thirty meter telescope

被引：10

作者：

Pazder, John S. ^{[1
]}

Roberts, Scott ^{[1
]}

Abraham, Roberto ^{[2
]}

Anthony, Andre ^{[1
]}

Fletcher, Murray ^{[1
]}

Hardy, Tim ^{[1
]}

Loop, David ^{[1
]}

Sun, Simon ^{[1
]}

机构：

[1] Natl Res Council Canada, Herzberg Inst Astrophys, 5071 West Saanich Rd, Victoria, BC V9E 2E7, Canada

[2] Univ Toronto, Dept Astron & Astrophys, Toronto, ON M5S 3H8, Canada

来源：

GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY, PTS 1- 3 | 2006年 / 6269卷

基金：

加拿大创新基金会;

关键词：

spectrograph; astronomical instrumentation; extremely large telescope; wide-field spectroscopy;

D O I：

10.1117/12.672712

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

WFOS (Wide Field Optical Spectrograph) will provide near-UV, visible and near-IR multi-object spectroscopy and imaging capabilities for the TMT (Thirty Meter Telescope). The instrument concept is a multi-barrel approach, with four separate fields on the telescope focal plane providing a total of 92.4 square arcminutes of coverage. The core wavelength coverage is 340nm to 1000nm with an optional near-IR extension to 1.6 microns. Each barrel feeds two cameras allowing simultaneous spectral coverage in the blue and red. Spectral resolutions range from R150 to R7500 for a 0.75" slit using standard ruled transmission gratings and VPH technology. A GLAO (Ground Layer Adaptive Optics) system utilizing the TMT adaptive secondary mirror is included in the instrument concept. This paper describes the scientific goals for WFOS and the overall instrument mechanical, optical and system design.

引用

页数：12

共 50 条

[1] Design and Development of WFOS, the Wide-Field Optical Spectrograph for the Thirty Meter Telescope
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[8] Conceptual design for the High Resolution Optical Spectrograph on the Thirty-Meter Telescope: a new concept for a ground-based high-resolution optical spectrograph
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