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21cm tomography

The scale frontier. 21cm tomography. MT & Zaldarriaga, arXiv:0805.4414. 21 cm tomography experiments:. GMRT = Giant Metrewave Radio Telescope. Experiment GMRT PAST/21CMA LOFAR MWA PAPER SKA. # of Antennas(Total) 30 dishes 10,000 8,192 16 (4) .

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21cm tomography

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  1. The scale frontier 21cm tomography MT & Zaldarriaga, arXiv:0805.4414

  2. 21 cm tomography experiments: GMRT = Giant Metrewave Radio Telescope Experiment GMRT PAST/21CMA LOFAR MWA PAPER SKA # of Antennas(Total)30 dishes 10,000 8,192 16 (4) # of Antennas(Installed)30 dishes 2,000 (4 Tiles) 512 (32 Tiles) 8 (0) # of TilesNA 20 (1 Tile=500 ant) 96(1 Tile=16 ant) 512 (1 Tile=16 ant) NA 96 V crossed Dipoles Effective Area (m2)5.1047.0.1041.0.105 ~ 104 1.0.104 1.0.106 Imaging Field of View 2o 3o - 7.5o ~ 5o 30o - 1o Angular Resolution3.8o - 0.4o 3’ 25” - 3.5” ~ 15’ < 0.1’ Frequency Range (MHz)50 - 1420 50 - 200 10 - 240 80 - 300 110 - 200 Mapping Sensitivity 15mK/(day)1/2 SiteIndia China Netherlands Australia USA/AUS AUS(?) Year 2007 2007 2007 2008 2008 2015(?)

  3. 21 cm tomography experiments: 21CMA/PaST = Primeval Structure Telescope Experiment GMRT PAST/21CMA LOFAR MWA PAPER SKA # of Antennas(Total) 30 dishes 10,000 8,192 16 (4) # of Antennas(Installed) 30 dishes 2,000 (4 Tiles) 512 (32 Tiles) 8 (0) # of Tiles NA 20 (1 Tile=500 ant) 96(1 Tile=16 ant) 512 (1 Tile=16 ant) NA 96 V crossed Dipoles Effective Area (m2) 5.1047.0.1041.0.105 ~ 104 1.0.104 1.0.106 Imaging Field of View2o 3o - 7.5o ~ 5o 30o - 1o Angular Resolution 3.8o - 0.4o3’ 25” - 3.5” ~ 15’ < 0.1’ Frequency Range (MHz) 50 - 1420 50 - 200 10 - 240 80 - 300 110 - 200 Mapping Sensitivity15mK/(day)1/2 Site India China Netherlands Australia USA/AUS AUS(?) Year 2007 2007 2007 2008 2008 2015(?)

  4. Figures from Jy Wang 21CMA/PaST = Primeval Structure Telescope Experiment GMRT PAST/21CMA LOFAR MWA PAPER SKA # of Antennas(Total) 30 dishes 10,000 8,192 16 (4) # of Antennas(Installed) 30 dishes 2,000 (4 Tiles) 512 (32 Tiles) 8 (0) # of Tiles NA 20 (1 Tile=500 ant) 96(1 Tile=16 ant) 512 (1 Tile=16 ant) NA 96 V crossed Dipoles Effective Area (m2) 5.1047.0.1041.0.105 ~ 104 1.0.104 1.0.106 Imaging Field of View2o 3o - 7.5o ~ 5o 30o - 1o Angular Resolution 3.8o - 0.4o3’ 25” - 3.5” ~ 15’ < 0.1’ Frequency Range (MHz) 50 - 1420 50 - 200 10 - 240 80 - 300 110 - 200 Mapping Sensitivity15mK/(day)1/2 Site India China Netherlands Australia USA/AUS AUS(?) Year 2007 2007 2007 2008 2008 2015(?)

  5. 21 cm tomography experiments: v v v v v 77 sta. v v v 100 Km 2 Km 32 sta. LOFAR = Low Frequency ARray Experiment GMRT PAST/21CMA LOFAR MWA PAPER SKA # of Antennas(Total) 30 dishes 10,000 8,192 16 (4) # of Antennas(Installed) 30 dishes 2,000 (4 Tiles) 512 (32 Tiles) 8 (0) # of Tiles NA 20 (1 Tile=500 ant) 96(1 Tile=16 ant) 512 (1 Tile=16 ant) NA 96 V crossed Dipoles Effective Area (m2) 5.1047.0.1041.0.105~ 104 1.0.104 1.0.106 Imaging Field of View 2o3o - 7.5o ~ 5o 30o - 1o Angular Resolution 3.8o - 0.4o 3’ 25” - 3.5” ~ 15’ < 0.1’ Frequency Range (MHz) 50 - 1420 50 - 200 10 - 240 80 - 300 110 - 200 Mapping Sensitivity 15mK/(day)1/2 Site India China Netherlands Australia USA/AUS AUS(?) Year 2007 2007 2007 2008 2008 2015(?)

  6. Pictor A 21 cm tomography experiments: MWA = Murchison Widefield Array Experiment GMRT PAST/21CMA LOFAR MWA PAPER SKA # of Antennas(Total) 30 dishes 10,000 8,192 16 (4) # of Antennas(Installed) 30 dishes 2,000 (4 Tiles) 512 (32 Tiles) 8 (0) # of Tiles NA 20 (1 Tile=500 ant) 96(1 Tile=16 ant) 512 (1 Tile=16 ant) NA 96 V crossed Dipoles Effective Area (m2) 5.1047.0.1041.0.105 ~ 1041.0.104 1.0.106 Imaging Field of View 2o 3o - 7.5o~ 5o 30o - 1o Angular Resolution 3.8o - 0.4o 3’ 25” - 3.5” ~ 15’ < 0.1’ Frequency Range (MHz) 50 - 1420 50 - 200 10 - 240 80 - 300 110 - 200 Mapping Sensitivity 15mK/(day)1/2 Site India China Netherlands Australia USA/AUS AUS(?) Year 2007 2007 2007 2008 2008 2015(?)

  7. 21 cm tomography experiments: Cas A Cygnus A 3C 392 PAPER = Precision Array to Probe Epoch of Reionization Experiment GMRT PAST/21CMA LOFAR MWA PAPER SKA # of Antennas(Total) 30 dishes 10,000 8,192 16 (4) # of Antennas(Installed) 30 dishes 2,000 (4 Tiles) 512 (32 Tiles) 8 (0) # of Tiles NA 20 (1 Tile=500 ant) 96(1 Tile=16 ant) 512 (1 Tile=16 ant) NA 96 V crossed Dipoles Effective Area (m2) 5.1047.0.1041.0.105 ~ 104 1.0.1041.0.106 Imaging Field of View 2o 3o - 7.5o ~ 5o 30o - 1o Angular Resolution 3.8o - 0.4o 3’ 25” - 3.5” ~ 15’ < 0.1’ Frequency Range (MHz) 50 - 1420 50 - 200 10 - 240 80 - 300 110 - 200 Mapping Sensitivity 15mK/(day)1/2 Site India China Netherlands Australia USA/AUS AUS(?) Year 2007 2007 2007 2008 2008 2015(?)

  8. 21 cm tomography experiments: PAPER = Precision Array to Probe Epoch of Reionization Experiment GMRT PAST/21CMA LOFAR MWA PAPER SKA # of Antennas(Total) 30 dishes 10,000 8,192 16 (4) # of Antennas(Installed) 30 dishes 2,000 (4 Tiles) 512 (32 Tiles) 8 (0) # of Tiles NA 20 (1 Tile=500 ant) 96(1 Tile=16 ant) 512 (1 Tile=16 ant) NA 96 V crossed Dipoles Effective Area (m2) 5.1047.0.1041.0.105 ~ 104 1.0.1041.0.106 Imaging Field of View 2o 3o - 7.5o ~ 5o 30o - 1o Angular Resolution 3.8o - 0.4o 3’ 25” - 3.5” ~ 15’ < 0.1’ Frequency Range (MHz) 50 - 1420 50 - 200 10 - 240 80 - 300 110 - 200 Mapping Sensitivity 15mK/(day)1/2 Site India China Netherlands Australia USA/AUS AUS(?) Year 2007 2007 2007 2008 2008 2015(?)

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

  10. Physics of the 21 cm Line: SKA = Square Kilometer Array Experiment GMRT PAST/21CMA LOFAR MWA PAPER SKA # of Antennas(Total) 30 dishes 10,000 8,192 16 (4) # of Antennas(Installed) 30 dishes 2,000 (4 Tiles) 512 (32 Tiles) 8 (0) # of Tiles NA 20 (1 Tile=500 ant) 96(1 Tile=16 ant) 512 (1 Tile=16 ant) NA 96 V crossed Dipoles Effective Area (m2) 5.1047.0.1041.0.105 ~ 104 1.0.104 1.0.106 Imaging Field of View 2o 3o - 7.5o ~ 5o 30o - 1o Angular Resolution 3.8o - 0.4o 3’ 25” - 3.5” ~ 15’ < 0.1’ Frequency Range (MHz) 50 - 1420 50 - 200 10 - 240 80 - 300 110 - 200 Mapping Sensitivity 15mK/(day)1/2 Site India China Netherlands Australia USA/AUS AUS(?) Year 2007 2007 2007 2008 2008 2015(?)

  11. 21 cm tomography experiments: PAST/21CMA PAPER LOFAR GMRT Image: FORTE satellite MWA SKA ? CYLINDER

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

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