A SOFIA pilot reports a possible detection of Galactic 158 um [CII] absorption against the galaxy IC 342 and provides a catalog of 402 sightlines for future far-infrared telescopes.
Single Aperture Large Telescope for Universe Studies (SALTUS): Science Overview
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The SALTUS Probe mission will provide a powerful far-infrared (far-IR) pointed space observatory to explore our cosmic origins and the possibility of life elsewhere. The observatory employs an innovative deployable 14-m aperture, with a sunshield that will radiatively cool the off-axis primary to <45K. This cooled primary reflector works in tandem with cryogenic coherent and incoherent instruments that span the 34 to 660 micron far-IR range at both high and moderate spectral resolutions.
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Measuring Interstellar Carbon Abundance via 158 um [CII] Absorption with SOFIA -- A Potential Detection, and Proof-of-Concept for Depletion Studies with Future Far-IR Facilities
A SOFIA pilot reports a possible detection of Galactic 158 um [CII] absorption against the galaxy IC 342 and provides a catalog of 402 sightlines for future far-infrared telescopes.