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Table 1.
Details of the radio data.
| Instrument | Band | Frequency | Observation date | On-source time | Project code | P.I. | Flux, phase calibrators |
|---|---|---|---|---|---|---|---|
| (GHz) | (min) | ||||||
| VLA[A] | L | 1–2 | 25-Feb.-2021 | 40 | 20B-280 | S. P. Tendulkar | 3C286, J1944+5448 |
| uGMRT | 5 | 1.06–1.46 | 05-Jul.-2024 | 120 | 46_035 | G. Bernardi | 3C48, J1944+5448 |
| VLA[B] | C | 4–8 | 03-Oct.-2025 | 8 | 25B-255 | D. Pelliciari | 3C48, J1927+6117 |
Notes. VLA data in L and C band are recorded in 16 and 32 spectral windows, each with 64 channels with a width of 1 and 2 MHz, respectively; uGMRT data are recorded in a single spectral window with 2048 channels and a width of 195 kHz.
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