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Physics Colloquium: Mapping the Cosmic Star Formation History in 4-D with TIM
Start Date: 1/24/2019Start Time: 3:30 PM
End Date: 1/24/2019End Time: 4:30 PM

Event Description

James Aguirre, PhD, University of Pennsylvania

Mapping the Cosmic Star Formation History in 4-D with TIM (the Terahertz Intensity Mapper)

Sensitive spectrometers in the far-infrared have the potential to greatly expand our understanding of how galaxies form and evolve over cosmic time, by peering directly into the otherwise dust-obscured regions in galaxies where stars form. Advances in detector technology now make such instruments possible, so long as they are carried aboard space or balloon-borne telescopes to get above the strong absorption of earth's atmosphere.

The speaker will describe the design and science goals of a newly funded instrument, the Terahertz Intensity Mapper (TIM), a balloon-borne telescope with a spectrometer designed to produce large area maps of atomic line emission which can provide crucial insight into the physical conditions of star formation. TIM will produce a three-dimensional view, as a function of cosmic time, of the distribution of galaxies and their production of stars spanning some 5 billion years of cosmic history, allowing us to understand in aggregate how galaxies have formed and changed.
Contact Information:
Name: Gordon Richards
Email: gtr@physics.drexel.edu
Disque Hall, Room 919, 32 South 32nd Street, Philadelphia, PA 19104
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