PRIME望远镜的光学对准方法

IF 1.5 Q3 ASTRONOMY & ASTROPHYSICS Journal of Astronomical Instrumentation Pub Date : 2023-05-11 DOI:10.1142/S2251171723500046
H. Yama, D. Suzuki, S. Miyazaki, A. Rakich, T. Yamawaki, R. Kirikawa, I. Kondo, Y. Hirao, N. Koshimoto, T. Sumi
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引用次数: 1

摘要

本文介绍了PRIME项目的主要任务——面向银河系中心的微透镜行星巡天,是一种具有宽视场的近红外(NIR)望远镜。光学对准有三个步骤:用激光跟踪仪进行初步对准,用焦内焦外(IFEF)图像分析技术进行精细对准,用哈特曼测试进行互补和精细对准。我们通过在日本实验室进行的测试证明了前两个步骤的效果良好。该望远镜于2022年8月在南非天文台萨瑟兰天文台安装。在安装的最后阶段,我们证明了第三种方法效果良好,光学系统满足操作要求。
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Optical Alignment Method for the PRIME Telescope
We describe the optical alignment method for the Prime-focus Infrared Microlensing Experiment (PRIME) telescope which is a prime-focus near-infrared (NIR) telescope with a wide field of view for the microlensing planet survey toward the Galactic center that is the major task for the PRIME project. There are three steps for the optical alignment: preliminary alignment by a laser tracker, fine alignment by intra- and extra-focal (IFEF) image analysis technique, and complementary and fine alignment by the Hartmann test. We demonstrated that the first two steps work well by the test conducted in the laboratory in Japan. The telescope was installed at the Sutherland Observatory of South African Astronomical Observatory in August, 2022. At the final stage of the installation, we demonstrated that the third method works well and the optical system satisfies the operational requirement.
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来源期刊
Journal of Astronomical Instrumentation
Journal of Astronomical Instrumentation ASTRONOMY & ASTROPHYSICS-
CiteScore
2.30
自引率
7.70%
发文量
19
期刊介绍: The Journal of Astronomical Instrumentation (JAI) publishes papers describing instruments and components being proposed, developed, under construction and in use. JAI also publishes papers that describe facility operations, lessons learned in design, construction, and operation, algorithms and their implementations, and techniques, including calibration, that are fundamental elements of instrumentation. The journal focuses on astronomical instrumentation topics in all wavebands (Radio to Gamma-Ray) and includes the disciplines of Heliophysics, Space Weather, Lunar and Planetary Science, Exoplanet Exploration, and Astroparticle Observation (cosmic rays, cosmic neutrinos, etc.). Concepts, designs, components, algorithms, integrated systems, operations, data archiving techniques and lessons learned applicable but not limited to the following platforms are pertinent to this journal. Example topics are listed below each platform, and it is recognized that many of these topics are relevant to multiple platforms. Relevant platforms include: Ground-based observatories[...] Stratospheric aircraft[...] Balloons and suborbital rockets[...] Space-based observatories and systems[...] Landers and rovers, and other planetary-based instrument concepts[...]
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