Development and on orbit test of Taiji-1 inertial reference

Author:

Wang Zhi123,Lei Jun-Gang4,

Affiliation:

1. Changchun Institute of Optics, Fine Mechanics and Physics, CAS, Changchun 130033, China

2. Taiji Laboratory for Gravitational Wave Universe (Beijing/Hangzhou), University of Chinese Academy of Sciences (UCAS), Beijing 100049, China

3. School of Fundamental Physics and Mathematical Sciences, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, China

4. Lanzhou Institute of Physics, Lanzhou 730000, China

Abstract

Taiji-1 is the first step of China’s efforts on the detection of gravitational waves in space. It is a one-year quick mission, which aims to verify the key technologies on orbit. The detection of gravitational waves at mHz frequency band needs to exceptionally focus on small spatial deviations between two inertial references several million kilometers apart. The inertial reference on Taiji-1 spacecraft (S/C) has been developed based on a capacitive readout and actuation scheme to meet the requirements of accelerometer. In this paper, the development condition, ground tests and on-orbit performance of this inertial reference are described.

Publisher

World Scientific Pub Co Pte Lt

Subject

Astronomy and Astrophysics,Nuclear and High Energy Physics,Atomic and Molecular Physics, and Optics

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