radio astronomy & dark ages
Post on 21-Jan-2016
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Radio Astronomy & Dark Ages
…. at RSAA
Radio astronomy…
• Frank Briggs, Carole Jackson (RSAA staff)
• Dave Jauncey, Jim Lovell (ATNF/Tidbinbilla)
• Geoff Bicknell, Ralph Sutherland (theory)
• Ken Freeman, Helmut Jerjen (HI, gal. kinematics)
• + …
• … Mills Cross -> Molonglo Synthesis Telescope
Molonglo Telescope
2 arms: 1.6 km X 12m
redshifted Hydrogen
…the end of The Dark Age …
Cut off fromview of opticalwavelengths !!!
nHI
nHI +nHII 10-3
If neutral fraction
>
Global Signal…
20 mK
10 arcmin
Goal of new telescope: “LOFAR” = Low Frequency Array
Possible site in Western Australia
Upcoming events…
18 Dec ATNF Epping: Global signature workshop
30,31 Jan Sydney Uni: Low Frequency Universe Wkshp
2-9 Feb visit by Lofar delegation to tour possible site in WA
Jan/Feb – exchange seminars with RSPhysE
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