Concept study for a compact homodyne astrophysics spectrometer for exoplanets (CHASE)

Sona Hosseini; Chris Webster; Debra Fischer; Evgenya Shkolnik; Shouleh Nikzad; Gautam Vasisht; Wesley Traub

doi:10.1117/12.2233242

18 July 2016 Concept study for a compact homodyne astrophysics spectrometer for exoplanets (CHASE)

Sona Hosseini, Chris Webster, Debra Fischer, Evgenya Shkolnik, Shouleh Nikzad, Gautam Vasisht, Wesley Traub

Proceedings Volume 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray; 990534 (2016) https://doi.org/10.1117/12.2233242
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

In this concept study, we are targeting to build a new instrument to sequentially observe exoplanet atmospheres and their parent’s stellar spectra over a significant time in NUV and FUV. The Compact Homodyne Astrophysics Spectrometer for Exoplanets (CHASE) offers integrated spectra over a wide field-of-view (FOV~40arcsec) in high spectral resolution (R>10⁵) in a miniaturized architecture using no (or a small < 1m) primary mirror. CHASE’s wide FOV is compatible with the relaxed pointing requirements of current CubeSats and SmallSats which makes it readily qualifiable for space in a compact format and have the potential to enable major scientific breakthroughs.

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Sona Hosseini, Chris Webster, Debra Fischer, Evgenya Shkolnik, Shouleh Nikzad, Gautam Vasisht, and Wesley Traub "Concept study for a compact homodyne astrophysics spectrometer for exoplanets (CHASE)", Proc. SPIE 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, 990534 (18 July 2016); https://doi.org/10.1117/12.2233242

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KEYWORDS

Device simulation

Spectrographs

Electronics

Charge-coupled devices

Ultraviolet radiation

Computer simulations

Data processing

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