Operations with the new FUSE Observatory: three-axis control with one reaction wheel

David J. Sahnow; Jeffrey W. Kruk; Thomas B. Ake; B-G Andersson; Alice Berman; William P. Blair; Robert Boyer; James Caplinger; Humberto Calvani; Thomas Civeit; W. Van Dyke Dixon; Martin N. England; Mary Elizabeth Kaiser; Mark Kochte; H. Warren Moos; Bryce A. Roberts

doi:10.1117/12.673408

7 June 2006 Operations with the new FUSE Observatory: three-axis control with one reaction wheel

David J. Sahnow, Jeffrey W. Kruk, Thomas B. Ake, B-G Andersson, Alice Berman, William P. Blair, Robert Boyer, James Caplinger, Humberto Calvani, Thomas Civeit, W. Van Dyke Dixon, Martin N. England, Mary Elizabeth Kaiser, Mark Kochte, H. Warren Moos, Bryce A. Roberts

Author Affiliations +

Proceedings Volume 6266, Space Telescopes and Instrumentation II: Ultraviolet to Gamma Ray; 626602 (2006) https://doi.org/10.1117/12.673408
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

Abstract

Since its launch in 1999, the Far Ultraviolet Spectroscopic Explorer (FUSE) has had a profound impact on many areas of astrophysics. Although the prime scientific instrument continues to perform well, numerous hardware failures on the attitude control system, particularly those of gyroscopes and reaction wheels, have made science operations a challenge. As each new obstacle has appeared, it has been overcome, although sometimes with changes in sky coverage capability or modifications to pointing performance. The CalFUSE data pipeline has also undergone major changes to correct for a variety of instrumental effects, and to prepare for the final archiving of the data. We describe the current state of the FUSE satellite and the challenges of operating it with only one reaction wheel and discuss the current performance of the mission and the quality of the science data.

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David J. Sahnow, Jeffrey W. Kruk, Thomas B. Ake, B-G Andersson, Alice Berman, William P. Blair, Robert Boyer, James Caplinger, Humberto Calvani, Thomas Civeit, W. Van Dyke Dixon, Martin N. England, Mary Elizabeth Kaiser, Mark Kochte, H. Warren Moos, and Bryce A. Roberts "Operations with the new FUSE Observatory: three-axis control with one reaction wheel", Proc. SPIE 6266, Space Telescopes and Instrumentation II: Ultraviolet to Gamma Ray, 626602 (7 June 2006); https://doi.org/10.1117/12.673408

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