Spherical occulter coronagraph cubesat

Inactive Publication Date: 2018-03-01
NASA
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Benefits of technology

[0005]The present invention relates to a space-based instrument which can provide continuous, high-resolution coronal electron temperature and velocity images, for a predetermined period of time (i.e., one month), thereby improving the understanding of coronal evolution and how the solar wind and CME transients

Problems solved by technology

Traditional imagers use mechanical structures, such as tubes, to mount and align the occulter to the optics, and t

Method used

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  • Spherical occulter coronagraph cubesat
  • Spherical occulter coronagraph cubesat
  • Spherical occulter coronagraph cubesat

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Embodiment Construction

[0033]The present invention on relates to a space-based instrument which can provide continuous coronal electron temperature and velocity images, for a predetermined period of time (i.e., one month), thereby improving the understanding of coronal evolution and how the solar wind and Coronal Mass Ejection (CME) transients evolve from the low solar atmosphere through the heliosphere for an entire solar rotation. Specifically, the present invention relates to using a novel spherical occulter coronagraph (SOC) CubeSat, and a relative navigational system (RNS) that controls the position of the spacecraft relative to the occulting sphere.

[0034]In one embodiment, the present invention relates to a novel 6U (U-type spacecraft) spherical occulter coronagraph (SOC) Cubesat 100 (see FIGS. 1-4), which can meet science observations from 1.5RSun to 5RSun. In one embodiment, the novel spherical occulter coronagraph of the present invention innovatively deploys a free-flying spherical occulter 201 ...

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Abstract

The present invention relates to a space-based instrument which provides continuous coronal electron temperature and velocity images, for a predetermined period of time, thereby improving the understanding of coronal evolution and how the solar wind and Coronal Mass Ejection transients evolve from the low solar atmosphere through the heliosphere for an entire solar rotation. Specifically, the present invention relates to using a 6U spherical occulter coronagraph CubeSat, and a relative navigational system (RNS) that controls the position of the spacecraft relative to the occulting sphere. The present invention innovatively deploys a free-flying spherical occulter, and after deployment, the actively controlled CubeSat will provide an inertial formation flying with the spherical occulter and Sun.

Description

BACKGROUND OF THE INVENTION1. Field of the Invention[0001]The present invention relates to a space-based instrument which can provide continuous coronal electron temperature and velocity images, for a predetermined period of time, thereby improving the understanding of coronal evolution and how the solar wind and coronal mass ejection (CME) transients evolve from the low solar atmosphere through the heliosphere for an entire solar rotation. Specifically, the present invention relates to using a spherical occulter coronagraph CubeSat, and a relative navigational system that controls the position of the spacecraft relative to the occulting sphere.2. Description of the Related Art[0002]Conventional solar coronagraphs measure visible photospheric light Thomson-scattered by coronal electrons, imaging the seemingly static solar corona including transients, such as Coronal Mass Ejections (CMEs), as they disrupt the overlying magnetic field.[0003]However, the resolution of the images in the...

Claims

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Application Information

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IPC IPC(8): G01J1/04G01J1/02G01J1/44G01J1/42G01S3/786B64G1/10B64G1/26B64G1/40
CPCG01J1/0437G01J1/0271G01J1/44G01J1/4228G01J1/0266G01J2001/4266B64G1/105B64G1/26B64G1/406G01J2001/446G01S3/7861G02B5/003B64G1/66B64G1/242B64G1/363B64G1/244B64G1/1085B64G1/415
Inventor DAVILA, JOSEPH M.RABIN, DOUGLAS M.REGINALD, NELSONGONG, QIANSHAH, NEERAVCHAMBERLIN, PHILLIP C.
Owner NASA
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