9 July 2008 The FIREBall fiber-fed UV spectrograph
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FIREBall (Faint Intergalactic Redshifted Emission Balloon) had a successful first engineering flight in July of 2007 from Palestine, Texas. Here we detail the design and construction of the spectrograph. FIREBall consists of a 1m telescope coupled to a fiber-fed ultraviolet spectrograph flown on a short duration balloon. The spectrograph is designed to map hydrogen and metal line emission from the intergalactic medium at several redshifts below z=1, exploiting a small window in atmospheric oxygen absorption at balloon altitudes. The instrument is a wide-field IFU fed by almost 400 fibers. The Offner mount spectrograph is designed to be sensitive in the 195-215nm window accessible at our altitudes of 35-40km. We are able to observe Lyα, as well as OVI and CIV doublets, from 0.3 < z < 0.9. Observations of UV bright B stars and background measurements allow characterization of throughput for the entire system and will inform future flights.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Sarah E. Tuttle, Sarah E. Tuttle, David Schiminovich, David Schiminovich, Bruno Milliard, Bruno Milliard, Robert Grange, Robert Grange, D. Christopher Martin, D. Christopher Martin, Shahinur Rahman, Shahinur Rahman, Jean-Michel Deharveng, Jean-Michel Deharveng, Ryan McLean, Ryan McLean, Gordon Tajiri, Gordon Tajiri, M. Matuszewski, M. Matuszewski, } "The FIREBall fiber-fed UV spectrograph", Proc. SPIE 7014, Ground-based and Airborne Instrumentation for Astronomy II, 70141T (9 July 2008); doi: 10.1117/12.789836; https://doi.org/10.1117/12.789836


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