Solar Transition Region Ultraviolet Explorer (STRUVE) pointing performance modeling

Angelica Berner; Alfred de Wijn; Mads Krabbe Jepsen; Paul Scowen; Johnathan Gamaunt; Robert Woodruff

doi:10.1117/12.2630789

31 August 2022 Solar Transition Region Ultraviolet Explorer (STRUVE) pointing performance modeling

Angelica Berner, Alfred de Wijn, Mads Krabbe Jepsen, Paul Scowen, Johnathan Gamaunt, Robert Woodruff

Proceedings Volume 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray; 121813S (2022) https://doi.org/10.1117/12.2630789
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Conference Poster

Abstract

The solar transition region ultraviolet explorer (STRUVE) is a proposed CubeSat mission to study the magnetic field in the solar atmosphere from the photosphere up to the top of the chromosphere. The STRUVE instrument is a full-Stokes spectro-polarimeter and observes a region of the near-UV that contains the well-known Mg II h- and k-lines as well as a number of Fe I- and Fe II-lines that sample many heights in the atmosphere. In order to accurately determine the magnetic field strength and orientation, STRUVE has sub-arcsecond yaw and pitch pointing stability requirements to suppress crosstalk between Stokes parameters. One of our concept study priorities is addressing the fine pointing requirements to demonstrate mission feasibility. This paper provides an overview of the STRUVE CubeSat and related background, the main sources of jitter and our ADCS solutions. We present several studies that provide rationale for pointing system design choices and review tools that have been developed to demonstrate system capabilities.

Citation Download Citation

Angelica Berner, Alfred de Wijn, Mads Krabbe Jepsen, Paul Scowen, Johnathan Gamaunt, and Robert Woodruff "Solar Transition Region Ultraviolet Explorer (STRUVE) pointing performance modeling", Proc. SPIE 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray, 121813S (31 August 2022); https://doi.org/10.1117/12.2630789

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