SwRI's ISpec instrument for the ISCEA observatory: design

Todd Veach; John Polizotti; Michael Davis; Randy Rose; Thomas Rose; Mark Phillips; Tonya Brody; Martin Keuchkerian; Yun Wang; Lee Armus; Andreas Faisst; Massimo Robberto

doi:10.1117/12.2629382

27 August 2022 SwRI's ISpec instrument for the ISCEA observatory: design

Todd Veach, John Polizotti, Michael Davis, Randy Rose, Thomas Rose, Mark Phillips, Tonya Brody, Martin Keuchkerian, Yun Wang, Lee Armus, Andreas Faisst, Massimo Robberto

Author Affiliations +

Proceedings Volume 12180, Space Telescopes and Instrumentation 2022: Optical, Infrared, and Millimeter Wave; 121804U (2022) https://doi.org/10.1117/12.2629382
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Conference Poster

Abstract

The ISCEA observatory is a small satellite with a mass of under 150kg. SwRI’s ISCEA near-infrared (NIR) spectrograph instrument (ISpec) with parallel imaging and multi-object spectroscopy channels is designed to meet the ISCEA observatory science goal: to determine the history of star formation and its quenching in galaxies as a function of local density and stellar mass when the Universe was 3-5 Gyrs old (1.2<z<2.1). To achieve this, the ISpec instrument requirements are wavelength range 1.1 to 2-micron; a spectral resolving power of < 1000; <300 simultaneous object spectral acquisition; 2.8”× 2.8” “slit” size; emission line flux limit (5-sigma) of 3×10^-17 erg/s/cm²; field of view of <= 0.27 deg²; and throughput <= 0.2.

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Todd Veach, John Polizotti, Michael Davis, Randy Rose, Thomas Rose, Mark Phillips, Tonya Brody, Martin Keuchkerian, Yun Wang, Lee Armus, Andreas Faisst, and Massimo Robberto "SwRI's ISpec instrument for the ISCEA observatory: design", Proc. SPIE 12180, Space Telescopes and Instrumentation 2022: Optical, Infrared, and Millimeter Wave, 121804U (27 August 2022); https://doi.org/10.1117/12.2629382

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