Update on the Full-sun Rocket SpecTrometer (FURST) portable VUV calibration system

Genevieve D. Vigil; Nicolas Donders; Ken Kobayashi; Amy Winebarger; Charles Kankelborg

doi:10.1117/12.2630065

29 August 2022 Update on the Full-sun Rocket SpecTrometer (FURST) portable VUV calibration system

Genevieve D. Vigil, Nicolas Donders, Ken Kobayashi, Amy Winebarger, Charles Kankelborg

Proceedings Volume 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray; 121810F (2022) https://doi.org/10.1117/12.2630065
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

FURST is a sounding rocket mission designed to acquire the first high quality, full-disk, UV Solar spectra in the range of 1200 - 1800 ̊A. The instrument uses a set of cylindrical optical elements, acting in place of a slit, to collect light from the entire solar disk in combination with a Rowland circle spectrometer, to generate high resolution spectra, ≥2 ×104λ/∆λ, without scanning a slit over the spatial extent of the Sun. The instrument requires absolute radiometric and spectral calibration before and after flight in order to analyze data products and meet science goals. We present an update on the portable calibration system designed to meet ambitious calibration requirements. The system consists of a vacuum chamber, a Pt hollow cathode lamp, collimating optics and NIST calibrated photodiodes. Absolute radiometric calibration of ≤15% and wavelength calibration corresponding to ±3km/s is expected.

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Citation Download Citation

Genevieve D. Vigil, Nicolas Donders, Ken Kobayashi, Amy Winebarger, and Charles Kankelborg "Update on the Full-sun Rocket SpecTrometer (FURST) portable VUV calibration system", Proc. SPIE 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray, 121810F (29 August 2022); https://doi.org/10.1117/12.2630065

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KEYWORDS

Calibration

Rockets

Spectroscopy

Vacuum ultraviolet

Hubble Space Telescope

Lamps

Space telescopes

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