FIFI-LS: The Field-Imaging Far-Infrared Line Spectrometer on SOFIA

  • Christian Fischer
  • , Simon Beckmann
  • , Aaron Bryant
  • , Sebastian Colditz
  • , Fabio Fumi
  • , Norbert Geis
  • , Mourad Hamidouche
  • , Thomas Henning
  • , Rainer Hönle
  • , Christof Iserlohe
  • , Randolf Klein
  • , Alfred Krabbe
  • , Leslie Looney
  • , Albrecht Poglitsch
  • , Walfried Raab
  • , Felix Rebell
  • , DIrk Rosenthal
  • , Maureen Savage
  • , Mario Schweitzer
  • , Christopher Trinh
  • William Vacca

Research output: Contribution to journalArticlepeer-review

Abstract

We describe the design of the Field-Imaging Far-Infrared Line Spectrometer (FIFI-LS), operated as a Facility-Class instrument on the Stratospheric Observatory for Infrared Astronomy (SOFIA). FIFI-LS is an imaging spectrometer for medium resolution spectroscopy. Since being commissioned in 2014, it has performed over 50 SOFIA commissioning and science flights. After operating as a principal investigator instrument in 2014 and early 2015, it was accepted as a Facility Science Instrument in 2015. In addition to the description of the design, we report on the in-flight performance and the concept of operation. We also provide an overview of the science opportunities with FIFI-LS and describe how FIFI-LS observations complement and complete observations with the PACS instrument on the Herschel observatory.

Original languageEnglish (US)
Article number1840003
JournalJournal of Astronomical Instrumentation
Volume7
Issue number4
DOIs
StatePublished - Dec 1 2018

Keywords

  • FIFI-LS
  • Integral field spectroscopy
  • SOFIA
  • far-Infrared
  • spectrometer

ASJC Scopus subject areas

  • Instrumentation
  • Astronomy and Astrophysics

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