The UVIa 12U CubeSat concept: mission overview

Keri Hoadley; Curtis McCully; Gillian Kyne; Fernando Cruz Aguirere; Leonidas Moustakas; Shouleh Nikzad; April Jewell; John Hennessy; Michael Hoenk; Christophe Basset; Daniel Harbeck; Peter Brown; Dave Sand; Griffin Hosseinzadeh; Peter Milne; Azalee Boestrom; Andy Howell; Saurabh Jha; Ken Shen

doi:10.1117/12.3018597

21 August 2024 The UVIa 12U CubeSat concept: mission overview

Keri Hoadley, Curtis McCully, Gillian Kyne, Fernando Cruz Aguirere, Leonidas Moustakas, Shouleh Nikzad, April Jewell, John Hennessy, Michael Hoenk, Christophe Basset, Daniel Harbeck, Peter Brown, Dave Sand, Griffin Hosseinzadeh, Peter Milne, Azalee Boestrom, Andy Howell, Saurabh Jha, Ken Shen

Author Affiliations +

Proceedings Volume 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray; 130930H (2024) https://doi.org/10.1117/12.3018597
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Abstract

Type Ia supernovae (SNe Ia) are a cornerstone of modern cosmology. Upcoming missions like the Nancy Grace Roman Telescope are pushing to high redshifts to measure cosmological parameters like the dark energy equation of state. Despite the impressive success of empirically standardizing their luminosities, the explosion mechanism of SNe Ia remains hotly debated; e.g., the mass of the white dwarf (WD) when it explodes and the state of the companion star (degenerate or non-degenerate) are all currently in question.

Early-time UV observations are sensitive to the outermost layers of the ejecta (and least affected by the explosion itself) and show the most diversity for SNe Ia. This makes the UV bandpass an excellent probe to solve these open questions about the nature of these cosmological distance indicators. To achieve this science, we present UVIa, a CubeSat that will be reactive and have simultaneous optical, Near-UV (NUV), and Far-UV (FUV) coverage, takes advantage of state-of-the-art UV coatings, UV-enhanced silicon detectors with whitelight rejection filter, and autonomous observing scheduling, updated regularly based on newly discovered SNe Ia from modern transient surveys.

Conference Presentation

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Keri Hoadley, Curtis McCully, Gillian Kyne, Fernando Cruz Aguirere, Leonidas Moustakas, Shouleh Nikzad, April Jewell, John Hennessy, Michael Hoenk, Christophe Basset, Daniel Harbeck, Peter Brown, Dave Sand, Griffin Hosseinzadeh, Peter Milne, Azalee Boestrom, Andy Howell, Saurabh Jha, and Ken Shen "The UVIa 12U CubeSat concept: mission overview", Proc. SPIE 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray, 130930H (21 August 2024); https://doi.org/10.1117/12.3018597

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