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Table C.1.

Best-fit flux estimated from the dedicated radio observations of a sub-set of sources within the RACS sample.

Source Central Frequency Flux Flux error Telescope
(GHz) (mJy) mJy
RACS J0036−37 2.1 0.67 0.13 ATCA
5.5 0.73 0.07 ATCA
9.0 0.39 0.07 ATCA
RACS J0110−39 2.1 10.1 0.3 ATCA
5.5 5.3 0.4 ATCA
9.0 3.7 0.2 ATCA
RACS J0127−44 2.1 13.7 0.2 ATCA
5.5 13.7 0.2 ATCA
9.0 12.1 0.3 ATCA
RACS J0202−17 2.1 16.1 0.1 ATCA
5.5 19.1 0.1 ATCA
9.0 13.8 0.1 ATCA

RACS J0209−56 2.1 13.0 0.2 ATCA
5.5 10.4 0.1 ATCA
9.0 9.5 0.1 ATCA

RACS J0320−35 0.4 5.6 0.9 uGMRT
0.65 4.0 0.2 uGMRT
2.1 2.09 0.09 ATCA
5.5 0.84 0.03 ATCA
9.0 0.63 0.03 ATCA

RACS J0322−18 0.4 4.0 0.3 uGMRT
0.65 2.5 0.1 uGMRT
2.1 1.28 0.06 ATCA
5.5 0.61 0.03 ATCA
9.0 0.44 0.03 ATCA

RACS J1011−01 5.5 4.0 0.2 ATCA
9.0 2.7 0.2 ATCA

RACS J1322−13 5.5 53.27 0.2 ATCA
9.0 46.60 0.1 ATCA

RACS J1426−11 5.5 2.54 0.2 ATCA
9.0 1.6 0.1 ATCA

RACS J2020−62 2.1 0.82 0.20 ATCA
5.5 0.80 0.08 ATCA
9.0 0.43 0.05 ATCA

RACS J2252−51 1.3 16.91 0.07 MeerKAT
2.2 15.43 0.05 MeerKAT
3.1 12.30 0.04 MeerKAT
2.1 16.1 0.2 ATCA
5.5 6.7 0.1 ATCA
9.0 4.0 0.1 ATCA
5.5 6.51 0.05 ATCA
9.0 3.65 0.03 ATCA

Notes. Flux densities derived from dedicated observations of a sub-sample of the RACS high-z quasars. The errors reported here are the ones derived from the 2D Gaussian fit of the source in the given image and do not take the uncertainty in the flux scale calibration (assumed to be 5%) into account.

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