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Proceedings Paper

A small satellite mission for solar coronagraphy
Author(s): N. Gopalswamy; Qian Gong
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Paper Abstract

We present on a concept study of the Goddard Miniature Coronagraph (GMC) mission for measuring the plasma flow in the solar corona in the form of solar wind and coronal mass ejections (CMEs). These mass flows can dramatically alter the near-Earth space environment to hazardous conditions posing danger to human technology in space. The primary science objective of the mission is to measure the properties of CMEs, coronal structures, and the solar wind near the Sun. The miniaturization of the coronagraph involves using a single-stage optics and a polarization camera, both of which reduce the size of the coronagraph. GMC will be accommodated in a small satellite that can be built with cubesat material to minimize cost. The development of the Dellingr mission at NASA/GSFC has provided expertise and a clear pathway to build the GMC mission. The hardware and software used for the Dellingr mission are technically sound, so the GMC mission can be fully defined. Software, pointing, control and communications systems developed for GSFC CubeSats can be readily adapted to cut costs. We present orbit options such as an ISS orbit or a Sun synchronous dawndusk polar orbit with the aim of maximizing solar observations.

Paper Details

Date Published: 18 September 2018
PDF: 11 pages
Proc. SPIE 10769, CubeSats and NanoSats for Remote Sensing II, 107690X (18 September 2018); doi: 10.1117/12.2323807
Show Author Affiliations
N. Gopalswamy, NASA Goddard Space Flight Ctr. (United States)
Qian Gong, NASA Goddard Space Flight Ctr. (United States)

Published in SPIE Proceedings Vol. 10769:
CubeSats and NanoSats for Remote Sensing II
Thomas S. Pagano; Charles D. Norton, Editor(s)

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