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TECHNOLOGY DEMONSTRATION OF AN EXTREME-UV SOLAR IMAGING TELESCOPE ON-BOARD AZAD-1: STUDENT NANOSATELLITE PROJECT

机译:板载AZAD-1极紫外太阳遥感望远镜的技术演示:学生纳米卫星项目

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In the past few years, Cubesats and Nano-satellites have been established as low-cost and efficient platforms for technology demonstration with significantly lesser development cycle-time than conventional satellite missions. Azad-1, student satellite project, being developed by Maulana Azad National Institute of Technology (MANIT-Bhopal, India), is an initiative to demonstrate concept of a Miniaturized Extreme-UV (EUV) Solar imaging telescope as payload on a 6U Nanosatellite platform. The proposed payload will observe the sun at 17.1 nm wavelength (with a 1 nm band pass) in the EUV region, corresponding to a Fe IX emission line from the solar corona, using a Ritchey-Chretien telescope. The satellite will be placed in a Sun-Synchronous Low Earth Orbit to take high resolution images which will depict morphology of the coronal plasma at approximately 10^6 K. The concept is to use a combination of Commercially-of-the-Shelf (COTS) items and custom developed components to create a short term scientific mission in a highly constrained development cycle. This paper discusses the progress of payload design and various supporting subsystems including technology challenges that are being resolved by students in a holistic Research and Development Environment. Innovative solutions like CMOS Sensors and Multilayer optics for EUV Imaging, Attitude Control System for High precision pointing etc., that are being developed to match the scientific requirements are also discussed. The project team comprises of undergraduate students from various engineering disciplines under an administrative framework including faculty and experts in collaboration with various research facilities across the country. The most important assertion in this project is to provide the students with a hands-on experience of the development cycle of a space mission- from conceptualization to final assembly and testing. Azad-1 will also provide the students with the unique opportunity of collaboration with various national and international research institutes. The project aims to seek support from Indian Space Research Organisation (ISRO) to provide launch services and technical support under its vision to support such student initiatives.
机译:在过去的几年中,立方体卫星和纳米卫星已被确立为低成本和高效的技术演示平台,与传统卫星任务相比,其开发周期大大缩短。 Azad-1是一项学生卫星项目,由毛拉纳·阿扎德国家技术研究所(印度马尼特-博帕尔)开发,是一项旨在展示微型化极紫外(EUV)太阳成像望远镜在6U纳米卫星平台上作为有效载荷的概念的倡议。 。拟议的有效载荷将使用Ritchey-Chretien望远镜观察EUV区域中17.1 nm波长的太阳(带1 nm带通),该太阳对应于来自日冕的Fe IX发射线。该卫星将被放置在太阳同步低地球轨道上,以拍摄高分辨率图像,该图像将描绘约10 ^ 6 K处的日冕等离子体的形态。该概念是结合使用商用货架(COTS) )项目和定制开发的组件,以在高度受限的开发周期中创建短期科学任务。本文讨论了有效载荷设计和各种支持子系统的进展,其中包括在整体研究与开发环境中学生正在解决的技术挑战。还讨论了为满足科学要求而开发的创新解决方案,例如用于EUV成像的CMOS传感器和多层光学器件,用于高精度指向的姿态控制系统等。该项目团队由来自各个工程学科的本科生组成,其管理框架包括教师和专家,并与全国各地的各种研究机构合作。该项目中最重要的主张是为学生提供从概念化到最终组装和测试的太空任务发展周期的动手经验。 Azad-1还将为学生提供与各个国家和国际研究机构合作的独特机会。该项目旨在寻求印度空间研究组织(ISRO)的支持,在其支持此类学生倡议的愿景下提供发射服务和技术支持。

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