Table 1.
Positions of the 4 fields observed at IRAM-PdB in 2012.
| Field | RA | Dec | Visibilities | Beam | Pixels |
|---|---|---|---|---|---|
| 1 | 00h42m44.39s | +41°16′08.3″ | 4473 | 3.37″ × 2.45″ | 0.61″ × 0.61″ |
| 2 | 00h42m46.78s | +41°16′12.3″ | 4432 | 3.37″ × 2.45″ | 0.61″ × 0.61″ |
| 3 | 00h42m45.27s | +41°15′54.3″ | 4743 | 4.53″ × 2.76″ | 0.74″ × 0.74″ |
| 4 | 00h42m43.50s | +41°15′36.3″ | 3131 | 4.53″ × 2.76″ | 0.74″ × 0.74″ |
Notes. The phase centre of the observation was 00h42m44.99s, +41°15′57.8″. We provide the J2000.0 equatorial coordinates of the centre of each field, the number of visibilities acquired per field, and the corresponding beam and pixel size (square). The sampling of the 4th field is worse than for the others, which explains a larger level of noise.
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