The Sydney-AAO Multi-object Integral field spectrograph

Scott M. Croom, Jon S. Lawrence, Joss Bland-Hawthorn, Julia J. Bryant, Lisa Fogarty, Samuel Richards, Michael Goodwin, Tony Farrell, Stan Miziarski, Ron Heald, D. Heath Jones, Steve Lee, Matthew Colless, Sarah Brough, Andrew M. Hopkins, Amanda E. Bauer, Michael N. Birchall, Simon Ellis, Anthony Horton, Sergio Leon-Saval & 5 others Geraint Lewis, Á R. López-Sánchez, Seong Sik Min, Christopher Trinh, Holly Trowland

Research output: Contribution to journalArticleResearchpeer-review

Abstract

We demonstrate a novel technology that combines the power of the multi-object spectrograph with the spatial multiplex advantage of an integral field spectrograph (IFS). The Sydney-AAO (Australian Astronomical Observatory) Multi-object IFS (SAMI) is a prototype wide-field system at the Anglo-Australian Telescope (AAT) that allows 13 imaging fibre bundles ('hexabundles') to be deployed over a 1-degree diameter field of view. Each hexabundle comprises 61 lightly fused multi-mode fibres with reduced cladding and yields a 75 per cent filling factor. Each fibre core diameter subtends 1.6 arcsec on the sky and each hexabundle has a field of view of 15 arcsec diameter. The fibres are fed to the flexible AAOmega double-beam spectrograph, which can be used at a range of spectral resolutions (R=λ/δλ≈ 1700-13000) over the optical spectrum (3700-9500Å). We present the first spectroscopic results obtained with SAMI for a sample of galaxies at z≈ 0.05. We discuss the prospects of implementing hexabundles at a much higher multiplex over wider fields of view in order to carry out spatially resolved spectroscopic surveys of 10 4-10 5 galaxies.

LanguageEnglish
Pages872-893
Number of pages22
JournalMonthly Notices of the Royal Astronomical Society
Volume421
Issue number1
DOIs
Publication statusPublished - Mar 2012

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spectrographs
field of view
astronomical observatories
fibers
observatory
galaxies
spectral resolution
bundles
sky
optical spectrum
prototypes
telescopes
fibre

Cite this

Croom, S. M., Lawrence, J. S., Bland-Hawthorn, J., Bryant, J. J., Fogarty, L., Richards, S., ... Trowland, H. (2012). The Sydney-AAO Multi-object Integral field spectrograph. Monthly Notices of the Royal Astronomical Society, 421(1), 872-893. https://doi.org/10.1111/j.1365-2966.2011.20365.x
Croom, Scott M. ; Lawrence, Jon S. ; Bland-Hawthorn, Joss ; Bryant, Julia J. ; Fogarty, Lisa ; Richards, Samuel ; Goodwin, Michael ; Farrell, Tony ; Miziarski, Stan ; Heald, Ron ; Jones, D. Heath ; Lee, Steve ; Colless, Matthew ; Brough, Sarah ; Hopkins, Andrew M. ; Bauer, Amanda E. ; Birchall, Michael N. ; Ellis, Simon ; Horton, Anthony ; Leon-Saval, Sergio ; Lewis, Geraint ; López-Sánchez, Á R. ; Min, Seong Sik ; Trinh, Christopher ; Trowland, Holly. / The Sydney-AAO Multi-object Integral field spectrograph. In: Monthly Notices of the Royal Astronomical Society. 2012 ; Vol. 421, No. 1. pp. 872-893.
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Croom, SM, Lawrence, JS, Bland-Hawthorn, J, Bryant, JJ, Fogarty, L, Richards, S, Goodwin, M, Farrell, T, Miziarski, S, Heald, R, Jones, DH, Lee, S, Colless, M, Brough, S, Hopkins, AM, Bauer, AE, Birchall, MN, Ellis, S, Horton, A, Leon-Saval, S, Lewis, G, López-Sánchez, ÁR, Min, SS, Trinh, C & Trowland, H 2012, 'The Sydney-AAO Multi-object Integral field spectrograph', Monthly Notices of the Royal Astronomical Society, vol. 421, no. 1, pp. 872-893. https://doi.org/10.1111/j.1365-2966.2011.20365.x

The Sydney-AAO Multi-object Integral field spectrograph. / Croom, Scott M.; Lawrence, Jon S.; Bland-Hawthorn, Joss; Bryant, Julia J.; Fogarty, Lisa; Richards, Samuel; Goodwin, Michael; Farrell, Tony; Miziarski, Stan; Heald, Ron; Jones, D. Heath; Lee, Steve; Colless, Matthew; Brough, Sarah; Hopkins, Andrew M.; Bauer, Amanda E.; Birchall, Michael N.; Ellis, Simon; Horton, Anthony; Leon-Saval, Sergio; Lewis, Geraint; López-Sánchez, Á R.; Min, Seong Sik; Trinh, Christopher; Trowland, Holly.

In: Monthly Notices of the Royal Astronomical Society, Vol. 421, No. 1, 03.2012, p. 872-893.

Research output: Contribution to journalArticleResearchpeer-review

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