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IR STIG Webinar

Infrared Science and Technology Integration Group

DATE

Dec 04, 2023

TIME

3:00 pm EST

COMMUNITY

IR STIG

TYPE

Webinar

Far-Infrared Spectroscopy Space Telescope (FIRSST)

Asantha Cooray (University of California - Irvine)

FIRSST is a far-infrared pointed observatory led at APL, in partnership with Ball Aerospace. FIRSST payload consists of a 1.8m telescope that is cryo-cooled to a temperature of 4.7K and two instruments that allow sensitive far-infrared spectroscopy between 35 and 600 microns, spectro-imaging surveys, spectral line polarization mapping, and rapid-response time domain observations with an instantaneous field of regard greater than 50% of the sky. The PI-led science program of FIRSST aims to fingerprint the planetary reservoirs to understand why super-Earths and mini-Neptunes are the most frequent planets, trace water to rocky planets to explain how water accumulates into oceans and unveil the drivers of galaxy growth to determine how the intergalactic medium influences star formation. 75% of the minimum five-year mission lifetime is available to the astronomical community through general observing time allocations. This talk will summarize science objectives, observatory capabilities, and technical design and development plans of FIRSST.

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An illustration of Sun-like star HD 181327 and its surrounding debris disk. The star is at top right. It is surrounded by a far larger debris disk that forms an incomplete ellpitical path and is cut off at right. There’s a huge cavity between the star and the disk. The debris disk is shown in shades of light gray. Toward the top and left, there are finer, more discrete points in a range of sizes. The disk appears hazier and smokier at the bottom. The star is bright white at center, with a hazy blue region around it. The background of space is black. The label Artist's Concept appears at lower left.