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9 September 2019 Habitable-zone exoplanet observatory (HabEx) baseline 4-m telescope design and predicted performance
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Abstract
The Habitable Exoplanet Observatory Mission (HabEx) is one of four missions under study for the 2020 Astrophysics Decadal Survey. Its goal is to directly image and spectroscopically characterize planetary systems in the habitable zone around nearby sun-like stars. Additionally, HabEx will perform a broad range of general astrophysics science enabled by 100 to 2500 nm spectral range and 3 × 3 arc-minute FOV. Critical to achieving its the HabEx science goals is a large, ultrastable UV/Optical/Near-IR (UVOIR) telescope. The baseline HabEx telescope is a 4-meter off-axis unobscured threemirror- anastigmatic, diffraction limited at 400 nm with wavefront stability on the order of a few 10s of picometers. This paper summarizes the opto-mechanical design of the HabEx baseline optical telescope assembly, including a discussion of how science requirements drive the telescope’s specifications, and presents analysis that the baseline telescope structure meets its specified tolerances.
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© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
H. Philip Stahl, Gary Kuan, William Arnold Sr., Michael Baysinger, Thomas Brooks, Velibor Cormarkovic, Jacqueline Davis, Jay Garcia, J. Brent Knight, Stefan Martin, Navtej Saini, Hao Tang, and Juan Villalvazo "Habitable-zone exoplanet observatory (HabEx) baseline 4-m telescope design and predicted performance", Proc. SPIE 11115, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts IX, 111150U (9 September 2019); https://doi.org/10.1117/12.2528331
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