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The Terahertz Intensity Mapper (TIM): a Next-Generation Experiment for Galaxy Evolution Studies

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arxiv 2009.14340 v1 pith:ZDMUURQA submitted 2020-09-29 astro-ph.IM

Joaquin Vieira , James Aguirre , C. Matt Bradford , Jeffrey Filippini , Christopher Groppi , Dan Marrone , Matthieu Bethermin , Tzu-Ching Chang
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Mark Devlin Oliver Dore Jianyang Frank Fu Steven Hailey Dunsheath Gilbert Holder Garrett Keating Ryan Keenan Ely Kovetz Guilaine Lagache Philip Mauskopf Desika Narayanan Gergo Popping Erik Shirokoff Rachel Somerville Isaac Trumper Bade Uzgil Jonas Zmuidzinas
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Understanding the formation and evolution of galaxies over cosmic time is one of the foremost goals of astrophysics and cosmology today. The cosmic star formation rate has undergone a dramatic evolution over the course of the last 14 billion years, and dust obscured star forming galaxies (DSFGs) are a crucial component of this evolution. A variety of important, bright, and unextincted diagnostic lines are present in the far-infrared (FIR) which can provide crucial insight into the physical conditions of galaxy evolution, including the instantaneous star formation rate, the effect of AGN feedback on star formation, the mass function of the stars, metallicities, and the spectrum of their ionizing radiation. FIR spectroscopy is technically difficult but scientifically crucial. Stratospheric balloons offer a platform which can outperform current instrument sensitivities and are the only way to provide large-area, wide bandwidth spatial/spectral mapping at FIR wavelengths. NASA recently selected TIM, the Terahertz Intensity Mapper, with the goal of demonstrating the key technical milestones necessary for FIR spectroscopy. The TIM instrument consists of an integral-field spectrometer from 240-420 microns with 3600 kinetic-inductance detectors (KIDs) coupled to a 2-meter low-emissivity carbon fiber telescope. In this paper, we will summarize plans for the TIM experiment's development, test and deployment for a planned flight from Antarctica.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 11 citations worldwide. Full citation record

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  2. Disentangling Target Lines from Interlopers and Continuum with Neural Networks: A SPHEREx Intensity Mapping Case Study

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  3. Towards a multi-tracer neutrino mass measurement with line-intensity mapping

    astro-ph.CO 2024-12 conditional novelty 6.0 of 10

    AtLAST [CII] line-intensity mapping, combined with CMB-S4 and DESI BAO forecasts, could reach sigma(sum m_nu) ~ 18 meV, and ~11.5 meV with a 21-cm tau prior.

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