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Table 1.
Observation details.
| Telescope | LOFAR 141 MHz | VLA 1.4 GHz | VLA 1.5 GHz |
|---|---|---|---|
| Project | LC10_021 | AD509 | 17A-083 |
| Configuration | HBA_DUAL_INNER | D | C |
| Pointing position | 02h17m1.4s, +70d36m16.0s | 02h17m0.0s, +70d36m36.0s | 02h18m49.9s, +70d27m36.0s (E); |
| (RA, Dec) | 02h14m31.0s, +70d41m04.0s (W) | ||
| Observing dates | 2018 Sept. 26 | 2005 Dec. 4, Dec. 8, Dec. 12 | 2017 Jun. 3 |
| Obs. IDs | L670298 | – | – |
| Calibrator(s) | 3C 196 | 3C 286, 3C 352, 0217+738 | 3C 138, J0217+7349 |
| Frequency (GHz) | 0.120 − 0.168 | 1.37 − 1.48 | 1.008 − 2.032 |
| Number of subbands | 243 | – | 16 |
| Bandwidth per subband (kHz) | 195.3 | – | 64000 |
| Channels per subband | 16 | – | 64 |
| On-source time (h) | 8 | 3.5 | 1.7 (E) + 1.7 (W) |
| Integration time (s) | 1 | 13 | 5 |
| Frequency resolution (kHz) | 12.2 | 12.5 | 1000 |
| Correlations | XX, XY, YX, YY | RR, LL | RR, RL, LR, LL |
| Number of stations/antennas | 60 | 23 | 27 |
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