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Proceedings Paper

The FIREBall fiber-fed UV spectrograph
Author(s): Sarah E. Tuttle; David Schiminovich; Bruno Milliard; Robert Grange; D. Christopher Martin; Shahinur Rahman; Jean-Michel Deharveng; Ryan McLean; Gordon Tajiri; M. Matuszewski
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Paper Abstract

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.

Paper Details

Date Published: 9 July 2008
PDF: 11 pages
Proc. SPIE 7014, Ground-based and Airborne Instrumentation for Astronomy II, 70141T (9 July 2008); doi: 10.1117/12.789836
Show Author Affiliations
Sarah E. Tuttle, Columbia Univ. (United States)
David Schiminovich, Columbia Univ. (United States)
Bruno Milliard, Observatoire d'Astronomie Marseille Provence (France)
Robert Grange, Observatoire d'Astronomie Marseille Provence (France)
D. Christopher Martin, California Institute of Technology (United States)
Shahinur Rahman, California Institute of Technology (United States)
Jean-Michel Deharveng, Observatoire d'Astronomie Marseille Provence (France)
Ryan McLean, California Institute of Technology (United States)
Gordon Tajiri, Columbia Univ. (United States)
M. Matuszewski, California Institute of Technology (United States)

Published in SPIE Proceedings Vol. 7014:
Ground-based and Airborne Instrumentation for Astronomy II
Ian S. McLean; Mark M. Casali, Editor(s)

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