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

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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 t elescopes. 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.

Original languageEnglish (US)
Title of host publicationSpace Telescopes and Instrumentation 2024
Subtitle of host publicationUltraviolet to Gamma Ray
EditorsJan-Willem A. den Herder, Shouleh Nikzad, Kazuhiro Nakazawa
PublisherSPIE
ISBN (Electronic)9781510675094
DOIs
StatePublished - 2024
EventSpace Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray - Yokohama, Japan
Duration: Jun 16 2024Jun 21 2024

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume13093
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceSpace Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray
Country/TerritoryJapan
CityYokohama
Period6/16/246/21/24

Keywords

  • CubeSat
  • SNe Ia
  • Technology Demonstration
  • Ultraviolet

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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