MRI: Track 2 Development of Astrophysics Enabled by High Order Advanced Keck Adaptive Optics (HAKA)
MRI:高阶高级 Keck 自适应光学 (HAKA) 推动天体物理学的第 2 轨发展
基本信息
- 批准号:2320038
- 负责人:
- 金额:$ 164.98万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2023
- 资助国家:美国
- 起止时间:2023-10-01 至 2026-09-30
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
An object seen at the bottom of a swimming pool appears blurry. A similar blurring occurs as astronomers look through the earth's atmosphere. A solution is the use of adaptive optics (AO), which uses a mirror that changes its shape to remove the blurring. One of the limitations to how well the blurring can be removed is determined by the number of actuators behind the deformable mirror. Keck Observatory has an adaptive optics system in use. This project will replace the existing Keck deformable mirror with one that has eight times more actuators. The resultant system will allow an improvement in most instruments currently used on the telescope. This will improve observations of old and cold exoplanets and improve ability to image the surfaces of the moons of Jupiter and Saturn. This project and the research team will indirectly support programs that provide training in astronomical instrumentation, such as the Akamai Internship Program and AstroTech summer school. The W. M. Keck Observatory is equipped with AO technology and a set of AO-fed science instruments. However, the AO system’s hardware linchpin – the deformable mirror (DM) – is now over twenty-five years old and its small number of actuators limits the overall AO performance. The High order Advanced Keck Adaptive optics (HAKA) project will replace the existing 349-actuator DM with a state-of-the-art 2800-actuator DM on the Keck II AO system. The HAKA-enabled science program will be carried out with a suite of existing and upcoming AO science instruments. HAKA will enable the direct imaging and spectroscopic characterization of dozens of exoplanets that will be too close to their host stars to be accessible to JWST and too cold to be accessible to today’s ground-based high contrast imaging instruments. HAKA will also enable Keck II’s AO system to operate in the z-band. This provides improved capability for Solar System science.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
在游泳池底部看到的物体看起来很模糊。当天文学家观察地球大气层时,也会出现类似的模糊现象。一个解决方案是使用自适应光学(AO),它使用一个镜子,改变其形状,以消除模糊。模糊可以被去除得多好的限制之一由可变形反射镜后面的致动器的数量确定。凯克天文台有一个自适应光学系统。该项目将取代现有的凯克变形镜,其中一个有八倍多的致动器。由此产生的系统将允许改进目前在望远镜上使用的大多数仪器。这将改善对古老而寒冷的系外行星的观测,并提高对木星和土星卫星表面的成像能力。 该项目和研究团队将间接支持提供天文仪器培训的计划,例如Akamai实习计划和AstroTech暑期学校。 世贸M.凯克天文台配备了AO技术和一套AO馈入的科学仪器。然而,AO系统的硬件关键-变形镜(DM)-现在已经超过25年的历史,其少量的致动器限制了整体AO性能。高阶先进Keck自适应光学(HAKA)项目将在Keck II AO系统上用最先进的2800执行器DM取代现有的349执行器DM。HAKA支持的科学计划将使用一套现有和即将推出的AO科学仪器进行。HAKA将能够对数十颗系外行星进行直接成像和光谱表征,这些系外行星与它们的宿主恒星太近,JWST无法接近,而且温度太低,当今的地面高对比度成像仪器无法接近。HAKA还将使Keck II的AO系统能够在z波段工作。该奖项反映了NSF的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Peter Wizinowich其他文献
Peter Wizinowich的其他文献
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{{ truncateString('Peter Wizinowich', 18)}}的其他基金
Astrophysics enabled by Keck All Sky Precision Adaptive Optics
由 Keck All Sky 精密自适应光学器件支持的天体物理学
- 批准号:
1836016 - 财政年份:2018
- 资助金额:
$ 164.98万 - 项目类别:
Continuing Grant
MRI: Development of a Fast and Flexible Adaptive Optics Controller
MRI:开发快速灵活的自适应光学控制器
- 批准号:
1727071 - 财政年份:2017
- 资助金额:
$ 164.98万 - 项目类别:
Standard Grant
Examining Planets around Other Stars through Very Precise Infrared Imaging at the Keck Observatory
在凯克天文台通过非常精确的红外成像检查其他恒星周围的行星
- 批准号:
1611623 - 财政年份:2016
- 资助金额:
$ 164.98万 - 项目类别:
Continuing Grant
Point Spread Function Determination: Unlocking the Full Scientific Value of Adaptive Optics
点扩散函数测定:释放自适应光学的全部科学价值
- 批准号:
1207631 - 财政年份:2012
- 资助金额:
$ 164.98万 - 项目类别:
Standard Grant
Near-Infrared Tip-Tilt Sensor for Laser Guide Star Adaptive Optics
用于激光导星自适应光学器件的近红外倾斜传感器
- 批准号:
1007058 - 财政年份:2010
- 资助金额:
$ 164.98万 - 项目类别:
Continuing Grant
MRI: Development of an Improved Keck II Laser Launch Facility
MRI:改进的 Keck II 激光发射设施的开发
- 批准号:
0923593 - 财政年份:2009
- 资助金额:
$ 164.98万 - 项目类别:
Standard Grant
Development of the Keck Interferometer with Laser Guide Star Adaptive Optics for Microarcsecond Astrometry
用于微角秒天体测量的激光导星自适应光学凯克干涉仪的研制
- 批准号:
0619965 - 财政年份:2006
- 资助金额:
$ 164.98万 - 项目类别:
Standard Grant
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