Radiometric On-Orbit Calibration of the Aerosol-UA Mission Scanning Polarimeter: Technique, Design Elements, and Illumination Angles

IF 0.5 4区物理与天体物理 Q4 ASTRONOMY & ASTROPHYSICS Kinematics and Physics of Celestial Bodies Pub Date : 2023-03-20 DOI:10.3103/S0884591323010075

I. I. Syniavskyi, V. O. Danylevsky, Y. A. Oberemok, Y. S. Ivanov, R. S. Osypenko, M. G. Sosonkin, G. P. Milinevsky, I. V. Fesianov

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引用次数: 1

Abstract

The concept of a device for the radiometric calibration of photometers or polarimeters on the Earth orbit using the Sun is considered. The shortcomings and advantages for the designing and materials of the key elements are analyzed. The illumination conditions are determined for the working element of the radiometric calibration assembly of the ScanPol scanning polarimeter aboard the YuzhSat satellite platform for different configurations in different orbit locations. The satellite orbit sections where solar illumination is optimal for the working element of this assembly from the viewpoint of the relation between the incidence and observation angles and minimization of the light caused by reflection from the Earth surface, atmosphere, ScanPol structure elements, and satellite platform are specified. The obtained results are planned for use in the development of an optimal design for the ScanPol radiometric calibration assembly to provide a necessary radiometric measurements precision during the Aerosol-UA space mission.

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气溶胶- ua任务扫描偏振计的在轨辐射定标:技术、设计元素和照明角度

考虑了利用太阳对地球轨道上的光度计或偏振光计进行辐射校准的装置的概念。分析了关键元件在设计和材料上的优缺点。确定了卫星平台ScanPol扫描偏振计辐射定标组件在不同轨道位置的不同配置下工作元件的照明条件。从入射角和观测角之间的关系以及地球表面、大气、ScanPol结构元件和卫星平台反射引起的光最小化的角度出发，指定了该组件工作元件的太阳光照最佳的卫星轨道截面。获得的结果计划用于ScanPol辐射校准组件的优化设计，以在Aerosol-UA太空任务期间提供必要的辐射测量精度。

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来源期刊

Kinematics and Physics of Celestial Bodies ASTRONOMY & ASTROPHYSICS-

CiteScore

0.90

自引率

40.00%

发文量

审稿时长

>12 weeks

期刊介绍： Kinematics and Physics of Celestial Bodies is an international peer reviewed journal that publishes original regular and review papers on positional and theoretical astronomy, Earth’s rotation and geodynamics, dynamics and physics of bodies of the Solar System, solar physics, physics of stars and interstellar medium, structure and dynamics of the Galaxy, extragalactic astronomy, atmospheric optics and astronomical climate, instruments and devices, and mathematical processing of astronomical information. The journal welcomes manuscripts from all countries in the English or Russian language.