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Monitoring the high-energy radiation environment of exoplanets around low-mass stars with SPARCS (Star-Planet Activity Research CubeSat)
Author(s): Paul A. Scowen; Evgenya L. Shkolnik; David Ardila; Travis Berman; Matthew Beasley; Judd Bowman; Michael Fitzgerald; Varoujan Gorjian; Daniel C. Jacobs; April Jewell; Joe Llama; Victoria Meadows; Shouleh Nikzad; Constance Spittler; Mark Swain; Robert Zellem
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Paper Abstract

Roughly 40 billion M dwarfs in our galaxy host at least one small planet in the habitable zone (HZ). The stellar ultraviolet (UV) radiation from M dwarfs is strong and highly variable, and impacts planetary atmospheric loss, composition and habitability. These effects are amplified by the extreme proximity of their HZs (0.1–0.4 AU). Knowing the UV environments of M dwarf planets will be crucial to understanding their atmospheric composition and a key parameter in discriminating between biological and abiotic sources for observed biosignatures. The Star-Planet Activity Research CubeSat (SPARCS) will be a 6U CubeSat devoted to photometric monitoring of M stars in the far-UV and near-UV, measuring the time-dependent spectral slope, intensity and evolution of low-mass star high-energy radiation.

Paper Details

Date Published: 6 July 2018
PDF: 12 pages
Proc. SPIE 10699, Space Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray, 106990F (6 July 2018); doi: 10.1117/12.2315543
Show Author Affiliations
Paul A. Scowen, Arizona State Univ. (United States)
Evgenya L. Shkolnik, Arizona State Univ. (United States)
David Ardila, Jet Propulsion Lab. (United States)
Travis Berman, Lunar & Planetary Lab. (United States)
Matthew Beasley, Southwest Research Institute (United States)
Judd Bowman, Arizona State Univ. (United States)
Michael Fitzgerald, Arizona State Univ. (United States)
Varoujan Gorjian, Jet Propulsion Lab. (United States)
Daniel C. Jacobs, Arizona State Univ. (United States)
April Jewell, Jet Propulsion Lab. (United States)
Joe Llama, Lowell Observatory (United States)
Victoria Meadows, Univ. of Washington (United States)
Shouleh Nikzad, Jet Propulsion Lab. (United States)
Constance Spittler, Arizona State Univ. (United States)
Mark Swain, Jet Propulsion Lab. (United States)
Robert Zellem, Jet Propulsion Lab. (United States)


Published in SPIE Proceedings Vol. 10699:
Space Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray
Jan-Willem A. den Herder; Shouleh Nikzad; Kazuhiro Nakazawa, Editor(s)

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