Preliminary design of a Cassegrain focal station for New Robotic Telescope
Preliminary design of a Cassegrain focal station for New Robotic Telescope
复制标题
新型机器人望远镜卡塞格伦焦点站的初步设计
DOI:
10.1117/12.2629302
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发表时间:
2022
期刊:
影响因子:
--
通讯作者:
Ranjbar A
中科院分区:
文献类型:
--
作者:
Ranjbar A
The New Robotic Telescope (NRT) conceptual design has been developed to include an autonomous multi-instrument adaptor at the Cassegrain focal station. The focal station assembly is to consist of a field rotator to compensate the earth rotation, cable wrap, instrument adaptor, support structure, and a fold mirror mechanism to bring the telescope optical beam to the instruments. The design supports the use of multiple instruments around the Acquisition and Guidance box (A&G box) a single instrument port is located at the bottom of the box at the straight through port. The A&G box also includes an autoguider which will be mounted at the side of the box and fed a portion of the optical beam via a small pick off mirror. It will use a field outside that of usable the science field, and has been designed to comprise of off-the-shelf lenses, camera system and lens tubes to minimise cost. The field of view is large enough to conduct ‘blind autoguiding’ at an accuracy of 0.2” with the 4m class telescope. The entire assembly will then be mounted to the M1 cell, forming the bottom part of the telescope tube held between the telescope mount forks. The focal station assembly design will be summarised in this paper.
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DOI:
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发表时间:
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期刊:
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影响因子:
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