The SAFIRE Far-Infrared Imaging Spectrometer aboard SOFIA

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Scientific paper

The SOFIA airborne observatory will provide a high spatial resolution, low background telescope for far-infrared astrophysical investigations. Selected as a PI instrument for SOFIA, SAFIRE (Submillimeter and Far-Infrared Experiment) is an imaging Fabry-Perot spectrograph covering 145μ m to 655μ m, with spectral resolving power of about 1500 (200km/s). This resolution is well matched to extragalactic emission lines and yields the greatest sensitivity for line detection. SAFIRE will make important scientific contributions to the study of the powering of ULIRGs and AGN, the role of Cii cooling in extragalactic star formation, the evolution of matter in the early Universe, and the energetics of the Galactic center. SAFIRE will employ a two-dimensional pop-up bolometer array to provide background-limited imaging spectrometry. Superconducting transition edge bolometers and SQUID amplifiers have been developed for these detectors.

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