24 September 2012 BASIS: Bayfordbury single-object integral field spectrograph
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Abstract
We present an inexpensive (<US$500) and easily replicable integral field unit for use on small aperture telescopes. Based on a commercial small spectrograph (SBIG Self-Guiding Spectrograph) and a 37 optical fibre bundle integral field unit with each fibre having 50μm cores and a pitch of 125μm. It has an overall field-of-view of 40 arc seconds (2.6arcsec/core), a resolution of 9Å from 3995Å to 7170Å and an average system efficiency of 9%, yielding a signal-tonoise ratio of 10 for a 20min exposure of a 13mag/arcsec2 source. Still in commissioning, we present first light observations of Vega and M57.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Samuel Richards, William Martin, David Campbell, Hugh Jones, Joss Bland-Hawthorn, Jon Lawrence, Elias Brinks, Julia J. Bryant, Lisa Fogarty, Mark Gallaway, Michael Goodwin, Sergio Leon-Saval, Marc Sarzi, Daniel J. Smith, "BASIS: Bayfordbury single-object integral field spectrograph", Proc. SPIE 8446, Ground-based and Airborne Instrumentation for Astronomy IV, 84462B (24 September 2012); doi: 10.1117/12.925378; https://doi.org/10.1117/12.925378
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