The optical design of the UVIa CubeSat: a multichannel ultraviolet telescope for transient science

Fernando Cruz Aguirre; Keri Hoadley; Curtis McCully; Gillian Kyne; Shouleh Nikzad; John Hennessy; April D. Jewell; Christophe Basset; Greyson Davis; Leonidas Moustakas; Daniel Harbeck; D. Andrew Howell; Saurabh W. Jha; David Sand; Peter Brown; Ken Shen

doi:10.1117/12.3019496

21 August 2024 The optical design of the UVIa CubeSat: a multichannel ultraviolet telescope for transient science

Fernando Cruz Aguirre, Keri Hoadley, Curtis McCully, Gillian Kyne, Shouleh Nikzad, John Hennessy, April D. Jewell, Christophe Basset, Greyson Davis, Leonidas Moustakas, Daniel Harbeck, D. Andrew Howell, Saurabh W. Jha, David Sand, Peter Brown, Ken Shen

Author Affiliations +

Proceedings Volume 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray; 130933N (2024) https://doi.org/10.1117/12.3019496
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

Our current understanding of cosmology is largely shaped by Type Ia supernovae (SNe Ia), the detonations of carbon-oxygen white dwarves (WDs). SNe Ia are powerful standard candles due to their uniform peak luminosities which decay predictably. SNe Ia progenitor system architecture is highly debated, as none have been observed pre- and post-detonation. Within the first few days after detonation, critical progenitor signatures are preserved in the ultraviolet (UV) bandpass. We present the optical design of UVIa, a proposed 12U CubeSat capable of simultaneous measurements in the far-UV, near-UV, and u-band. Double-offset Cassegrain telescopes were designed to image onto CMOS detectors. We discuss the benefits and challenges associated with double-offset telescopes. UVIa additionally serves as a technology demonstration platform for several cutting-edge UV technologies. The optical design of UVIa enables early-time observations of SNe Ia and serves as a pathfinder for future UV transient telescopes.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Fernando Cruz Aguirre, Keri Hoadley, Curtis McCully, Gillian Kyne, Shouleh Nikzad, John Hennessy, April D. Jewell, Christophe Basset, Greyson Davis, Leonidas Moustakas, Daniel Harbeck, D. Andrew Howell, Saurabh W. Jha, David Sand, Peter Brown, and Ken Shen "The optical design of the UVIa CubeSat: a multichannel ultraviolet telescope for transient science", Proc. SPIE 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray, 130933N (21 August 2024); https://doi.org/10.1117/12.3019496

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