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Optimal Extraction of Fibre Optic Spectroscopy

Published online by Cambridge University Press:  02 January 2013

R. Sharp  and
M. N. Birchall
R. Sharp*
Affiliation:
Anglo-Australian Observatory, PO Box 296, Epping, NSW 1710, Australia
M. N. Birchall
Affiliation:
Anglo-Australian Observatory, PO Box 296, Epping, NSW 1710, Australia
*
BCorresponding author. Email: rgs@aao.gov.au
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Abstract

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We report an optimal extraction methodology, for the reduction of multi-object fibre spectroscopy data, operating in the regime of tightly packed (and hence significantly overlapping) fibre profiles. The routine minimises crosstalk between adjacent fibres and statistically weights the extraction to reduce noise. As an example of the process we use simulations of the numerous modes of operation of the AAOmega fibre spectrograph and observational data from the SPIRAL Integral Field Unit at the Anglo-Australian Telescope.

Keywords

instrumentation: spectrographmethods: data analysis
Type
Research Article
Information
Publications of the Astronomical Society of Australia , Volume 27 , Issue 1 , 2010 , pp. 91 - 103
Copyright
Copyright © Astronomical Society of Australia 2010

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