Max Tegmark Dept. of Physics, MIT ITP June 21, 2010 The scale frontier MT & Zaldarriaga, arXiv:0805.4414.

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Presentation transcript:

Max Tegmark Dept. of Physics, MIT ITP June 21, 2010 The scale frontier MT & Zaldarriaga, arXiv:

21 cm tomography experiments: # of Antennas(Total) 30 dishes 10,000 8,19216 (4) # of Antennas(Installed) 30 dishes 2,000 (4 Tiles) 512 (32 Tiles) 8 (0) # of Tiles NA20 (1 Tile=500 ant) 96(1 Tile=16 ant) 512 (1 Tile=16 ant) NA Effective Area (m 2 ) ~ Imaging Field of View 2 o 3 o o ~ 5 o 30 o - 1 o Angular Resolution 3.8 o o 3’ 25” - 3.5” ~ 15’< 0.1’ Frequency Range (MHz) Mapping Sensitivity 15mK/(day) 1/2 Site IndiaChina Netherlands AustraliaUSA/AUSAUS(?) Year (?) Experiment GMRTPAST/21CMA LOFAR MWAPAPERSKA 96 V crossed Dipoles GMRT = Giant Metrewave Radio Telescope

# of Antennas(Total) 30 dishes 10,000 8,19216 (4) # of Antennas(Installed) 30 dishes 2,000 (4 Tiles) 512 (32 Tiles) 8 (0) # of Tiles NA20 (1 Tile=500 ant) 96(1 Tile=16 ant) 512 (1 Tile=16 ant) NA Effective Area (m 2 ) ~ Imaging Field of View 2 o 3 o o ~ 5 o 30 o - 1 o Angular Resolution 3.8 o o 3’ 25” - 3.5” ~ 15’< 0.1’ Frequency Range (MHz) Mapping Sensitivity 15mK/(day) 1/2 Site IndiaChina Netherlands AustraliaUSA/AUSAUS(?) Year (?) Experiment GMRTPAST/21CMA LOFAR MWAPAPERSKA 96 V crossed Dipoles 21CMA/PaST = Primeval Structure Telescope 21 cm tomography experiments:

# of Antennas(Total) 30 dishes 10,000 8,19216 (4) # of Antennas(Installed) 30 dishes 2,000 (4 Tiles) 512 (32 Tiles) 8 (0) # of Tiles NA20 (1 Tile=500 ant) 96(1 Tile=16 ant) 512 (1 Tile=16 ant) NA Effective Area (m 2 ) ~ Imaging Field of View 2 o 3 o o ~ 5 o 30 o - 1 o Angular Resolution 3.8 o o 3’ 25” - 3.5” ~ 15’< 0.1’ Frequency Range (MHz) Mapping Sensitivity 15mK/(day) 1/2 Site IndiaChina Netherlands AustraliaUSA/AUSAUS(?) Year (?) Experiment GMRTPAST/21CMA LOFAR MWAPAPERSKA 96 V crossed Dipoles 21CMA/PaST = Primeval Structure Telescope Figures from Jy Wang

# of Antennas(Total) 30 dishes 10,000 8,19216 (4) # of Antennas(Installed) 30 dishes 2,000 (4 Tiles) 512 (32 Tiles) 8 (0) # of Tiles NA20 (1 Tile=500 ant) 96(1 Tile=16 ant) 512 (1 Tile=16 ant) NA Effective Area (m 2 ) ~ Imaging Field of View 2 o 3 o o ~ 5 o 30 o - 1 o Angular Resolution 3.8 o o 3’ 25” - 3.5” ~ 15’< 0.1’ Frequency Range (MHz) Mapping Sensitivity 15mK/(day) 1/2 Site IndiaChina Netherlands AustraliaUSA/AUSAUS(?) Year (?) Experiment GMRTPAST/21CMA LOFAR MWAPAPERSKA 96 V crossed Dipoles LOFAR = Low Frequency ARray 2 Km 100 Km 32 sta. 77 sta. v v v v v v v v 21 cm tomography experiments:

# of Antennas(Total) 30 dishes 10,000 8,19216 (4) # of Antennas(Installed) 30 dishes 2,000 (4 Tiles) 512 (32 Tiles) 8 (0) # of Tiles NA20 (1 Tile=500 ant) 96(1 Tile=16 ant) 512 (1 Tile=16 ant) NA Effective Area (m 2 ) ~ Imaging Field of View 2 o 3 o o ~ 5 o 30 o - 1 o Angular Resolution 3.8 o o 3’ 25” - 3.5” ~ 15’< 0.1’ Frequency Range (MHz) Mapping Sensitivity 15mK/(day) 1/2 Site IndiaChina Netherlands AustraliaUSA/AUSAUS(?) Year (?) Experiment GMRTPAST/21CMA LOFAR MWAPAPERSKA 96 V crossed Dipoles MWA = Murchison Widefield Array 21 cm tomography experiments: Pictor A

# of Antennas(Total) 30 dishes 10,000 8,19216 (4) # of Antennas(Installed) 30 dishes 2,000 (4 Tiles) 512 (32 Tiles) 8 (0) # of Tiles NA20 (1 Tile=500 ant) 96(1 Tile=16 ant) 512 (1 Tile=16 ant) NA Effective Area (m 2 ) ~ Imaging Field of View 2 o 3 o o ~ 5 o 30 o - 1 o Angular Resolution 3.8 o o 3’ 25” - 3.5” ~ 15’< 0.1’ Frequency Range (MHz) Mapping Sensitivity 15mK/(day) 1/2 Site IndiaChina Netherlands AustraliaUSA/AUSAUS(?) Year (?) Experiment GMRTPAST/21CMA LOFAR MWAPAPERSKA 96 V crossed Dipoles Cas A 3C 392 Cygnus A PAPER = Precision Array to Probe Epoch of Reionization 21 cm tomography experiments:

# of Antennas(Total) 30 dishes 10,000 8,19216 (4) # of Antennas(Installed) 30 dishes 2,000 (4 Tiles) 512 (32 Tiles) 8 (0) # of Tiles NA20 (1 Tile=500 ant) 96(1 Tile=16 ant) 512 (1 Tile=16 ant) NA Effective Area (m 2 ) ~ Imaging Field of View 2 o 3 o o ~ 5 o 30 o - 1 o Angular Resolution 3.8 o o 3’ 25” - 3.5” ~ 15’< 0.1’ Frequency Range (MHz) Mapping Sensitivity 15mK/(day) 1/2 Site IndiaChina Netherlands AustraliaUSA/AUSAUS(?) Year (?) Experiment GMRTPAST/21CMA LOFAR MWAPAPERSKA 96 V crossed Dipoles PAPER = Precision Array to Probe Epoch of Reionization 21 cm tomography experiments:

Physics of the 21 cm Line: Cylinder Telescope Consortium (Pittsburgh -> Morocco)

Physics of the 21 cm Line: # of Antennas(Total) 30 dishes 10,000 8,19216 (4) # of Antennas(Installed) 30 dishes 2,000 (4 Tiles) 512 (32 Tiles) 8 (0) # of Tiles NA20 (1 Tile=500 ant) 96(1 Tile=16 ant) 512 (1 Tile=16 ant) NA Effective Area (m 2 ) ~ Imaging Field of View 2 o 3 o o ~ 5 o 30 o - 1 o Angular Resolution 3.8 o o 3’ 25” - 3.5” ~ 15’< 0.1’ Frequency Range (MHz) Mapping Sensitivity 15mK/(day) 1/2 Site IndiaChina Netherlands AustraliaUSA/AUSAUS(?) Year (?) Experiment GMRTPAST/21CMA LOFAR MWAPAPERSKA 96 V crossed Dipoles SKA = Square Kilometer Array

Max Tegmark Dept. of Physics, MIT ITP June 21, 2010 Image: FORTE satellite MWA PAST/21CMA LOFARGMRTPAPER SKA ? 21 cm tomography experiments: CYLINDER

Participants: MIT, Harvard, Washington, Berkeley, JPL, NRAO PI: Jacqueline Hewitt, MIT LARC: Lunar Array for Radio Cosmology