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Table 2

Fiducial parameters for our simulated radio observations.

Array Configuration/strategy Frequency Resolution Min. baseline Sensitivity Detection threshold
[MHz] [arcsec] [m] [mJy/beam] [μJy/arcsec2]

VLA VLSSr 74 80 35 100.0 42.365
VLA NVSS 1400 45 35 0.45 0.588
Westerbork WENSS 330 54 36 3.6 3.268
GMRT TGSS 150 20 100 5.0 33.098
Molonglo SUMSS 840 43 15 1.0 1.307
LOFAR-HBA Large Survey 1 120 25 40 0.25 1.059
LOFAR-LBA Large Survey 40 25 40 2.0 8.473
LOFAR-HBA Large Survey 2 120 5 40 0.1 10.591
MWA Broadband Survey 150 120 7.7 10 1.838
SKA1-LOW Cont. Survey 120 10 45 0.02 0.17
SKA1-MID Band2 Wide Survey 1000 0.5 15 0.001 10.591
SKA1-MID Band2 Deep Survey 1000 0.5 15 0.0002 2.118
ASKAP EMU 1400 10 12 0.01 0.264

Notes. The quoted frequencies are reference values for each instrument. The last column gives the full resolution sensitivity we adopted in surface brightness, which is 3σ of the assumed thermal noise per beam (this is the confusion noise for SKA1-LOW). See Sect. 2.3.3 for details.

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