Cornell University

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Cornell Department of Astronomy & Space Sciences Fall 2021 Colloquium Series

Thursday, October 7, 2021 at 4:00pm to 5:00pm

Space Sciences Building, 105

"An Unobscured View of Reionization and Galaxy Evolution:  Far-IR Spectroscopy with Superconducting Detectors."


Much of the total star formation and black hole growth over cosmic time has taken place in dust-obscured regions which are opaque in the optical and near-IR.   The far-IR through millimeter waveband measures this component directly, and wideband survey spectroscopy probes an unbiased view of galaxies’ full bulk, both individually and in aggregate with line intensity mapping.  These measurements are now poised for a revolutionary improvement with the combination of a cryogenic space-borne telescope and modern superconducting direct detector arrays.  I will present options for cryogenic space observatories (including Origins and lower-cost options), the progress with the focal plane technology, and our development of TIM, a balloon-borne pathfinder experiment for far-IR line-intensity mapping.

Dial-In Information

The colloquia are held every Thursday afternoon 4-5 pm. The public is welcome. To view via Zoom, please contact Monica Carpenter ( or Jason Jennings ( for the link.

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Monica Carpenter

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Matt Bradford

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