BASIS: Bayfordbury single-object integral field spectrograph

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

doi:10.1117/12.925378

24 September 2012 BASIS: Bayfordbury single-object integral field spectrograph

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

Author Affiliations +

Proceedings Volume 8446, Ground-based and Airborne Instrumentation for Astronomy IV; 84462B (2012) https://doi.org/10.1117/12.925378
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

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.

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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, and 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); https://doi.org/10.1117/12.925378

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Spectrographs

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