Table 3.
uGMRT observations and measurements.
| Source | Band | Obs date | ton | Complex gain calibrator | Flux density scale calibrator | Beam size | Sint | Speak |
|---|---|---|---|---|---|---|---|---|
| (min) | (arc sec2) | (mJy) | (mJy beam−1) | |||||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) |
| J0131−0321 | B2 | 2020 October 03 | 36 | 0116−208 | 3C48 | – | – | – |
| B3 | 2020 October 01 | 25 | 0116−208 | 3C48 | 14.83 × 5.88 | 9.75 ± 0.33 | 9.68 ± 0.16 | |
| B4 | 2020 October 04 | 36 | 0116−208 | 3C48 | 6.19 × 3.80 | 14.58 ± 0.91 | 14.08 ± 0.49 | |
| J0741+2520 | B2 | 2020 October 03 | 61 | 0735+331 | 3C48 | – | – | – |
| B4 | 2020 October 04 | 36 | 0735+331 | 3C48 | 4.83 × 3.56 | 1.89 ± 0.08 | 1.93 ± 0.04 | |
| J0836+0054 | B2 | 2020 October 03 | 71 | 0744−064 | 3C48 | – | – | – |
| B4 | 2020 October 05 | 36 | 0744−064 | 3C48 | 4.62 × 4.03 | 2.06 ± 0.28 | 2.67 ± 0.19 | |
| J0913+5919 | B2 | 2020 October 04 | 45 | 0834+555 | 3C48 | – | – | – |
| B4 | 2020 October 05 | 36 | 0834+555 | 3C48 | 5.85 × 3.52 | 12.49 ± 0.29 | 13.11 ± 0.17 | |
| J1034+2033 | B2 | 2020 October 04 | 56 | 3C241 | 3C48 | – | – | – |
| B4 | 2020 October 05 | 36 | 3C241 | 3C48 | 4.51 × 3.60 | 4.08 ± 0.07 | 4.25 ± 0.04 | |
| J1146+4037 | B2 | 2020 October 04 | 40 | 3C241 | 3C48 | – | – | – |
| B4 | 2020 October 05 | 36 | 3C241 | 3C48 | 5.18 × 3.61 | 6.71 ± 0.33 | 7.08 ± 0.19 | |
| J1427+3312 | B2 | 2020 October 04 | 51 | 3C286 | 3C48 | – | – | – |
| B4 | 2020 October 05 | 36 | 3C286 | 3C48 | 7.03 × 3.64 | 2.29 ± 0.25 | 2.65 ± 0.15 | |
| J1614+4640 | B2 | 2020 October 04 | 69 | 3C286 | 3C48 | – | – | – |
| B4 | 2020 October 05 | 36 | 3C286 | 3C48 | 9.38 × 3.45 | 1.31 ± 0.34 | 1.38 ± 0.17 |
Notes. Column 1: source name. Column 2: adopted uGMRT band. Column 3: observation date. Column 4: on-source integration time. Column 5: complex gain calibrator. Column 6: flux density scale calibrator. Column 7: clean beam size. Columns 8−9: the integrated and peak flux density measured by the CASA 2D Gaussian tool. Errors shown here are fitting-type errors. During the model fitting in Sect. 3.1, we also considered additional 10% calibration errors.
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