The initial design of Maratus: a 12U narrowband imager for mapping the circumgalactic medium

Sarah E. Tuttle; Lauren Corlies; Yakov Faerman; Brian Fleming; John Hennessy; Travis Mandeville; Mehran Mesbahi; Jason McPhate; Matthew McQuinn; Shouleh Nikzad; Manuel Quijada; Thomas Quinn; N. Nicole Sanchez; Jose Sanchez-Gallego; Alvar Saenz Otero; Conor Sayres; Caleb Wang; Jessica Werk

doi:10.1117/12.3020547

21 August 2024 The initial design of Maratus: a 12U narrowband imager for mapping the circumgalactic medium

Sarah E. Tuttle, Lauren Corlies, Yakov Faerman, Brian Fleming, John Hennessy, Travis Mandeville, Mehran Mesbahi, Jason McPhate, Matthew McQuinn, Shouleh Nikzad, Manuel Quijada, Thomas Quinn, N. Nicole Sanchez, Jose Sanchez-Gallego, Alvar Saenz Otero, Conor Sayres, Caleb Wang, Jessica Werk

Author Affiliations +

Proceedings Volume 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray; 130930G (2024) https://doi.org/10.1117/12.3020547
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Abstract

We present Maratus—a proposed 12U cubesat far ultraviolet narrow-band imager, centered on 1350Å to map the circumgalactic medium (CGM). We primarily target O vi emission, likely the brightest tracer of the 10⁵ −10⁶ K gas surrounding galaxies, at z ∼ 0.3. Combining flight-proven hardware with recent technological improvements, we tackle one of the most interesting questions bridging large scale structure and galaxy evolution in our current moment — “How does gas flow into and out of galaxies?” Answering this question is crucial for understanding the regulation of star formation, and the flow of matter, energy, and metals travelling between galaxies and the intergalactic medium. Maratus is a proof of principle instrument that will pave the way for large-scale mapping of the intergalactic medium. Mapping the CGM is identified as a key discovery area in the recent astrophysics decadal report. By using COS-Halos galaxies for our targeted survey, we present the first opportunity to characterize a key metal tracer of the CGM in both emission and absorption.

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(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Sarah E. Tuttle, Lauren Corlies, Yakov Faerman, Brian Fleming, John Hennessy, Travis Mandeville, Mehran Mesbahi, Jason McPhate, Matthew McQuinn, Shouleh Nikzad, Manuel Quijada, Thomas Quinn, N. Nicole Sanchez, Jose Sanchez-Gallego, Alvar Saenz Otero, Conor Sayres, Caleb Wang, and Jessica Werk "The initial design of Maratus: a 12U narrowband imager for mapping the circumgalactic medium", Proc. SPIE 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray, 130930G (21 August 2024); https://doi.org/10.1117/12.3020547

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