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Precision Pointing for the Laser Interferometry Space Antenna Mission (2003)

Hyde, T. Tupper ; Bauer, Frank H. ; Maghami, P. G.

In: CASI

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Publication Date: 2019-07-27

Description: The Laser Interferometer Space Antenna (LISA) mission is a planned NASA-ESA gravitational wave detector consisting of three spacecraft in heliocentric orbit. Lasers are used to measure distance fluctuations between proof masses aboard each spacecraft to the picometer level over a 5 million kilometer separation. Each spacecraft and its two laser transmit/receive telescopes must be held stable in pointing to less than 8 nanoradians per root Hertz in the frequency band 0.1-100 mHz. The pointing error is sensed in the received beam and the spacecraft attitude is controlled with a set of micro-Newton thrusters. Requirements, sensors, actuators, control design, and simulations are described.

Keywords: Instrumentation and Photography

Type: AAS-03-066 , 2003 AAS Guidance and Control Copnference; 5-9, February 2003; CO; United States

Format: text

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