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The L-and UHF-band calibrator models used by the SDP pipeline, in wsclean format, can be found here.

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J1939-6342

J1939-6342 (Figure 1) has an additional ~20% flux contribution from other sources in the field at 900 MHz, and up to 40% at 600 MHz with its spectrum turning over at ~1 GHz. These sources cause time-variable ripples across the bandpass in both phase and amplitude (examples shown in Figure 2). While the standard CASA flux density models can be used for L-band data reduction, it is essential to use multi-component models for UHF observations.

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A full discussion of the observations and models are included in this commissioning report. The SDP calibrator pipeline is currently using 90 components. This is sufficient for most cases.

J0408-6545

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-6545

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This source has somewhat lower interference from other sources in the field (1% contribution at L-band); there is a bright double-lobed source at the 1% (integrated flux) level 5.5 arcmin away from the central source.

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Using CASA setjy for non-standard flux models

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