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.
| Original language | English |
|---|---|
| Title of host publication | Ground-Based and Airborne Instrumentation for Astronomy IV |
| Editors | Ian S. McLean, Suzanne K. Ramsay, Hideki Takami |
| Place of Publication | Bellingham, WA |
| Publisher | SPIE |
| Pages | 1-10 |
| Number of pages | 10 |
| Volume | 8446 |
| ISBN (Print) | 9780819491473 |
| DOIs | |
| Publication status | Published - Jul 2012 |
| Externally published | Yes |
| Event | Ground-Based and Airborne Instrumentation for Astronomy IV - Amsterdam, Netherlands Duration: 1 Jul 2012 → 6 Jul 2012 |
Other
| Other | Ground-Based and Airborne Instrumentation for Astronomy IV |
|---|---|
| Country/Territory | Netherlands |
| City | Amsterdam |
| Period | 1/07/12 → 6/07/12 |
Keywords
- Astronomical instrumentation
- Galaxy surveys
- Hexabundles
- Optical fibre
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