SAMI - A new multi-object IFS for the Anglo-Australian telescope
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Bryant, J.
Bauer, Amanda E
Bland-Hawthorn, Joss
Lawrence, J
Croom, Scott M
Fogarty, Lisa M R
Goodwin, Michael
Richards, Samuel
Miziarski, Stan
Lee, Steve
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SPIE - The International Society for Optical Engineering
Abstract
SAMI (Sydney-AAO Multi-object Integral field spectrograph) has the potential to revolutionise our understanding of galaxies, with spatially-resolved spectroscopy of large numbers of targets. It is the first on-sky application of innovative photonic imaging bundles called hexabundles, which will remove the aperture effects that have biased previous single-fibre multi-object astronomical surveys. The hexabundles have lightly-fused circular multi-mode cores with a covering fraction of ∼ 73%. The thirteen hexabundles in SAMI, each have 61 fibre cores, and feed into the AAOmega spectrograph at the Anglo-Australian Telescope (AAT). SAMI was installed at the AAT in July 2011 and the first commissioning results prove the effectiveness of hexabundles on sky. A galaxy survey of several thousand galaxies to z ∼ 0.1 will begin with SAMI in mid-2012.
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Proceedings of SPIE - The International Society for Optical Engineering
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2037-12-31
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