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Table 1.
uGMRT and MeerKAT Observations of NGC 1851A used for this work.
| Telescope | Mode/ | Receiver | Number of | Span | tsamp | fc | Δf | Nchan | #TOAs | EFAC |
|---|---|---|---|---|---|---|---|---|---|---|
| Backend | observations | (MJD) | (μs) | (MHz) | (MHz) | |||||
| uGMRT | CDP | Band 3 | 12 | 58 601−58 867 | 10.24 | 399.80 | 200 | 512 | 203 | 1.76 |
| PA | Band 3 | 2 | 58 652,58 928 | 81.92 | 399.80 | 200 | 2048 | 13 | 1.74 | |
| MeerKAT | L-band | PTUSE | 3 | 59 229−59 342 | 9.57 | 1284 | 856 | 4096 | 16 | 0.96 |
| UHF | PTUSE | 24 | 59 355−60 047 | 7.53*/9.41 | 816 | 544 | 4096*/1024 | 825 | 1.22 | |
Notes. tsamp: sampling time, fc: central frequency, Δf: observing bandwidth, Nchan: number of frequency channels. We used, in addition, the earlier GBT dataset taken by Freire et al. (2007) and Ridolfi et al. (2019).
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