色球-光球望远镜

Chinese Astronomy Pub Date : 1980-12-01 DOI:10.1016/0146-6364(80)90021-3

The Chromospheric-Photospheric Telescope Group

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引用次数: 0

摘要

双管色球-光球望远镜同时对太阳α中的色球和光球进行摄影和视觉上的巡视和观测。两个物镜的孔径均为180 mm，色球部分主光路的偏振干涉滤光片工作波长为6562.78 a (Hα)，透射半宽为0.5 a，由10个双折射晶元组成，其中后4个为宽视场晶元。在色球和光球路径上都使用干涉滤光片来减少光线，太阳图像的尺寸分别为25毫米和71毫米。测试照片显示，其质量比目前在中国获得的任何产品都要好。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A chromospheric-photospheric telescope

A twin tube chromospheric-photospheric telescope patrols and observes the solar chromosphere in H_α and the photosphere photographically and visually at the same time. Both objectives have apertures of 180 mm, and the polarizing interference filter in the main optical path of the chromospheric part has a working wavelength of 6562.78 a (H_α), a transmission half-width of 0.5 A, and is composed of 10 birefringent crystal elements, of which the last 4 are wide-field elements. Interference filters to cut down light are used in both the chromospheric and the photospherice paths and the solar image is, respectively, 25 and 71 mm in size. Test photographs show a quality that is better than any attained so far in China.

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