Open Access
Table 1
Observing setups, phase calibration strategies, and the purposes of the four BD244 sessions.
| Project code | BD244A | BD244B | BD244C | BD244D | |
|---|---|---|---|---|---|
| Obs. setup | Epoch (MJD) | 59554 | 59555 | 59556 | 59595 |
| λ (cm) | 21, 17 | 13, 4 | 2 | 21, 17 | |
| Target/ | pulsar, | – | – | pulsar, | |
| in-beam | J2221, | J2221 | J2221 | J2221, | |
| calibrators | J2222 | – | – | J2222 | |
| Out-of-beam | J2219, | J2219, | J2219, | J2219, | |
| phase | J2226, | J2226, | J2226, | J2226, | |
| calibrators | J2218 | J2218 | J2218 | J2218 | |
| Tcycle (min) | 5 | 5 | 2 | 5 | |
| Phase cal. strategy | In-beam phase referencing? | Yes | – | – | Yes |
| Out-of-beam phase ref.? | Yes | Yes | Yes | – | |
| Multi-View calibration? | Yes | Yes | – | – | |
| Purpose | Target session? | Yes | – | – | Yes |
| Core-shiftdetermining sessions? | Yes | Yes | Yes | – | |
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