The W. M. Keck Observatory laser guide star adaptive optics system: Performance characterization

被引：210

作者：

van Dam, MA ^{[1
]}

Bouchez, AH ^{[1
]}

Le Mignant, D ^{[1
]}

Johansson, EM ^{[1
]}

Wizinowich, PL ^{[1
]}

Campbell, RD ^{[1
]}

Chin, JCY ^{[1
]}

Hartman, SK ^{[1
]}

Lafon, RE ^{[1
]}

Stomski, PJ ^{[1
]}

Summers, DM ^{[1
]}

机构：

[1] WM Keck Observ, Kamuela, HI 96743 USA

来源：

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC | 2006年 / 118卷 / 840期

关键词：

D O I：

10.1086/499498

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Keck II Telescope is the first 8-10 m class telescope equipped with a laser guide star adaptive optics (LGS AO) system. Under normal seeing conditions, the LGS AO system produces K-band Strehl ratios between 30% and 40% using bright tip-tilt guide stars, and it works well with tip-tilt guide stars as faint as m(R) = 18 with partial correction for stars up to a magnitude fainter. This paper presents the algorithms implemented in the LGS AO system, as well as experimental performance results. A detailed error budget shows excellent agreement between the measured and expected image quality for both bright and faint guide stars.

引用

页码：310 / 318

页数：9

共 19 条

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