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Table 2

Sensitivities corresponding to different frequency ranges and channel widths considered in this work for the SKA, its precursors, and pathfinders. See the text for more details.

Instrument rms, 1 h, 10 MHz t1 = 10 h t2 = 100 h

(mJy/beam) σI,Q,U (μJy/beam) σP (mJy/beam) σP,ϕ (μJy/beam) σI,Q,U (μJy/beam) σP (mJy/beam) σP,ϕ (μJy/beam)
ν=110–166 MHz, dν=45 kHz

LOFAR 2.0 0.41 54.9 5.9 77.6 17.3 1.9 24.5
SKA-LOW 0.048 6.3 0.7 8.9 2.0 0.2 2.8

ν=110–166 MHz, dν=12 kHz

SKA-LOW 0.048 6.3 1.3 8.9 2.0 0.4 2.8

ν=110–350 MHz, dν=45 kHz

SKA-LOW 0.042 2.7 0.4 3.8 0.9 0.1 1.2

ν=900–1670 MHz, dν=1 MHz

MeerKAT+ 0.02 0.8 0.06 1.1 0.2 0.02 0.3

ν=950–1760 MHz, dν=1 MHz

SKA-MID 0.015 0.5 0.04 0.6 0.1 0.01 0.2

Instrument rms, 1 h, 10 MHz t = 15 min

mJy/beam σI,Q,U μJy/beam σP mJy/beam σP,ϕ μJy/beam

ν=950–1760 MHz, dν=1 MHz

SKA-MID 0.015 2.9 0.2 4.1

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