Table 1.
Details of the LBA, HBA, uGMRT and JVLA observations used for the analysis of A1550.
| Observation | Central frequency | RA | Dec | Total exposure | Target distance | Antenna configuration |
|---|---|---|---|---|---|---|
| [hh:mm:ss] | [deg:mm:ss] | [deg] | ||||
| P183+47 | 54 MHz | 12:13:09.65 | +47:15:17.30 | 6 h | 2.75 | LOFAR LBA_OUTER |
| P186+50 | 54 MHz | 12:27:40.70 | +49.46.59.83 | 7 h | 2.09 | LOFAR LBA_OUTER |
| P187+47 | 54 MHz | 12:28:25.34 | +47.16.29.19 | 7 h | 0.45 | LOFAR LBA_OUTER |
| P190+47 | 54 MHz | 12:43:41.37 | +47.17.41.33 | 7 h | 2.48 | LOFAR LBA_OUTER |
| P23Hetdex | 144 MHz | 12:21:08.60 | +47:29:24.00 | 8 h | 1.30 | LOFAR HBA_DUAL_INNER |
| P26Hetdex | 144 MHz | 12:29:37.60 | +49:44:24.00 | 8 h | 2.13 | LOFAR HBA_DUAL_INNER |
| P27Hetdex | 144 MHz | 12:38:06.70 | +47:29:24.00 | 8 h | 1.55 | LOFAR HBA_DUAL_INNER |
| 12435 | 400 MHz | 12:28:54.00 | +47:36:44.00 | 3 h | 0.03 | uGMRT BAND 3 |
| 18A-172(*) | 1.4 GHz | 12:29:12.7 | +47:42:25.38 | 1 h | 0.09 | JVLA C array |
| 18A-172(*) | 1.4 GHz | 12:29:12.7 | +47:42:25.38 | 1 h | 0.09 | JVLA D array |
Notes. From left to right: pointing or observation name, nominal frequency of the observation, coordinates of the phase centre, distance of A1550 from the phase centre and configuration of the antennae of the related observation. (*) Project name.
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