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The Millimetre-Wave The Millimetre-Wave Astronomy White PaperAstronomy White Paper
Michael Burton
UNSW
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What place for millimetre-wave What place for millimetre-wave in Australian radio astronomy for in Australian radio astronomy for
the next decade?the next decade?
ALMA 2012?SKA 2020?
Maintaining the vitality of the astronomical community till SKA
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Australian MM-Wave FacilitiesAustralian MM-Wave Facilities
ATCA, Mopra, Parkes, Tidbinbilla3 + 7 + 12 mm (100 + 50 + 20 GHz)Interferometry + OTF mappingBroad band + Spectroscopy
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What’s coming in AustraliaWhat’s coming in Australia
8 GHz correlator for Mopra2 GHz correlator for ATCA7 mm system for ATCA + Mopra115 GHz extension for ATCA?
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NANTEN2 4m
HEAT 0.5mSPT 10mAST/RO 1.7m
APEX 12mASTE 12m
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What’s coming now in the SouthWhat’s coming now in the South
Atacama Plateau of Chile– 4m NANTEN2– 12m APEX– 12m ASTE– Plus, of course, ALMA
Antarctica– 1.7m AST/RO– 10m South Pole Telescope– 0.5m HEAT (THz frequencies)
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What role for Australia’s facilities?What role for Australia’s facilities?
They’re here now!– only southern interferometer for > 5 years
7+12mm unchallenged, 3mm largely so.Broad Band, Fast Mapping.
Complementarity to the Chilean / Antarctic facilities?
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Science Drivers: Science Drivers: Formation ProcessesFormation ProcessesWhen Planets are youngWhen Stars are youngWhen Galaxies were youngWhen the Universe was young
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MM WindowsMM Windows
12 mm – ATCA
7 mm – ATCA3 mm – ATCA2 mm – Oz!
sub-mm – ALMAMIR+ 200+300µm – Dome C
far-IR – Dome A
MassiveProtostar
z~6 Starburst / AGN
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Science Drivers: IScience Drivers: I
Evolution of circumstellar disksSearch for biogenic moleculesEvolutionary sequence for MSFTurbulence-regulated star formation?Star formation in other environments
– The LMC & SMC
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Science Drivers: IIScience Drivers: II
Extragalactic star formation– calibrating the Schmidt Law and the radio-
FIR relationStar formation history of the Universe
– red-shifted CO as a proxy for SFRUnique objects
– SN1987A– The Central Molecular Zone
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Science Drivers: IIIScience Drivers: III
Other ideas welcome!
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Include possible future enhancementsInclude possible future enhancements
115 GHz extension to ATCA
Adjustable secondaries Real time phase monitoring
Million channel spectrometers Focal Plane Arrays
– or re-shape dish for a multi-beam?
Need to have science drivers!
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Science Drivers Science Drivers vs.vs. Capabilities Capabilities
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MM White Paper: the processMM White Paper: the process
1. First Draft for MM Science + ATUC meetings (30/11/05 + 01/12/05)
2. Open invitation for contributions3. Second draft for “Future directions for
southern hemisphere mm-wave astronomy” meeting 30-31/03/06
Place in the international context, esp. Chilean facilities Funding sources?
4. MM White Paper delivered to ATUC for June 06 meeting
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Please contribute!Please contribute!
mmscience.atnf.csiro.au