LUVIS: an ultraviolet SMEX mission optimized for the Lyman UV

Stephen E. Kendrick; Robert A. Woodruff; Tony Hull; Daewook Kim; Gopal Vasudevan; Sara R. Heap

doi:10.1117/12.2629641

31 August 2022 LUVIS: an ultraviolet SMEX mission optimized for the Lyman UV

Stephen E. Kendrick, Robert A. Woodruff, Tony Hull, Daewook Kim, Gopal Vasudevan, Sara R. Heap

Proceedings Volume 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray; 121812W (2022) https://doi.org/10.1117/12.2629641
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Conference Poster

Abstract

The Lyman UV imaging spectrograph (LUVIS) accomplishes priority UV science contained in the budget of a SMEXclass mission. LUVIS consists of a 0.5-m f/24 Cassegrain optical telescope assembly feeding a UV/ far-UV spectrometer. LUVIS has a long 6 arcmin slit enabling spectral imaging and is optimized for 102-140 nm with a resolving power of 20,000 on a micro-channel plate detector with a CsI photocathode. The light gathering power is designed to reach galaxies with near-UV fluxes as low as 10^-14 erg/s/cm²/Å (and lower with long time exposures). The design approach encompasses a simple but elegant optical design, minimum number of reflective surfaces, limited mechanisms, and an orbit minimizing fuel requirements while offering operational advantages. All components are already at a high technology readiness level further reducing technical and cost risk to meet a SMEX budget with healthy cost reserves.

Citation Download Citation

Stephen E. Kendrick, Robert A. Woodruff, Tony Hull, Daewook Kim, Gopal Vasudevan, and Sara R. Heap "LUVIS: an ultraviolet SMEX mission optimized for the Lyman UV", Proc. SPIE 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray, 121812W (31 August 2022); https://doi.org/10.1117/12.2629641

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