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Gemini South Adaptive Optics Imager. Peter McGregor Research School of Astronomy & Astrophysics The Australian National University. GSAOI for Gemini South. GSAOI Status. Under construction at Mt. Stromlo Obs., ANU Completed “zeroeth” cool down for thermal tests
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Gemini South Adaptive Optics Imager Peter McGregor Research School of Astronomy & Astrophysics The Australian National University
GSAOI Status • Under construction at Mt. Stromlo Obs., ANU • Completed “zeroeth” cool down for thermal tests • First cool down with mechanisms in July 2004 • One science detector and two eng. detectors • Shipment scheduled for October 2005 • Commissioning January 2006 (after MCAO-1)
Science Path NGS WFS Path LGS WFS Path Multi-Conjugate Adaptive Optics
GSAOI Specifications • Used with MCAO system • Field-of-view: 8585 • Spatial pixel size: 0.020.02 • Broad band filters: Z, J, H, Ks, K', K • Narrow band filters: 1.5% wide zero-redshift emission-line filters • Narrow band Lyα filters at J? • Four HAWAII-2RG detectors • 4080×4080 pixels
5 LGS 1-3 Opt. NGS 1-4 NIR NGS GSAOI Guide Star Geometry
5 LGS 1-3 Opt. NGS 1-4 NIR NGS GSAOI Guide Star Geometry
GSAOI Performance http://www.mso.anu.edu.au/gsaoi
Virgo Local Group Great Attractor Bulk Motions from SBF
And V - GMOS Star Formation Histories