Table 1.
Log of observations and characteristics of the clean maps forming the multifrequency dataset.
| Date | P.C. | Array | Freq. | Beam | Eq. Beam | Speak | Stotal | rms |
|---|---|---|---|---|---|---|---|---|
| [GHz] | [mas × mas, deg] | [mas] | [mJy/beam] | [mJy] | [mJy/beam] | |||
| Uniform weighting | ||||||||
| 2022-01-02 | BM516A | VLBA+EB | 4.9 | 2.06 × 1.29, − 5° | 1.63 | 21 | 97 | 0.03 |
| 8.4 | 1.17 × 0.61, − 13° | 0.84 | 19 | 89 | 0.05 | |||
| 15.4 | 0.52 × 0.33, − 15° | 0.41 | 22 | 69 | 0.05 | |||
| 23.6 | 0.45 × 0.29, − 16° | 0.36 | 26 | 61 | 0.09 | |||
| 2022-08-06 | BM516B | VLBA+EB | 4.9 | 1.78 × 1.00, − 17° | 1.33 | 19 | 100 | 0.02 |
| 8.4 | 1.09 × 0.58, − 16° | 0.79 | 19 | 89 | 0.03 | |||
| 15.4 | 0.68 × 0.35, − 10° | 0.49 | 25 | 72 | 0.05 | |||
| 23.6 | 0.46 × 0.21, − 13° | 0.31 | 22 | 63 | 0.06 | |||
| 43.2 | 0.22 × 0.10, − 18° | 0.15 | 28 | 56 | 0.06 | |||
| Natural weighting | ||||||||
| 2022-01-02 | BM516A | VLBA+EB | 4.9 | 2.57 × 1.76, − 0.4° | 2.13 | 25 | 97 | 0.02 |
| 8.4 | 1.58 × 0.88, − 10° | 1.18 | 23 | 89 | 0.04 | |||
| 15.4 | 0.71 × 0.47, − 9° | 0.58 | 26 | 70 | 0.04 | |||
| 23.6 | 0.66 × 0.56, − 17° | 0.61 | 29 | 61 | 0.04 | |||
| 2022-08-06 | BM516B | VLBA+EB | 4.9 | 2.13 × 1.23, − 16° | 1.62 | 22 | 100 | 0.02 |
| 8.4 | 1.37 × 0.76, − 15° | 1.02 | 23 | 89 | 0.02 | |||
| 15.4 | 0.87 × 0.50, − 8° | 0.66 | 28 | 72 | 0.03 | |||
| 23.6 | 0.57 × 0.31, − 14° | 0.42 | 26 | 63 | 0.04 | |||
| 43.2 | 0.28 × 0.13, − 17° | 0.19 | 31 | 56 | 0.04 | |||
Notes. Col. 1: Date of observation. Col. 2: Project code. Col. 3: Array. Col. 4: Frequency. Col. 5: Beam FWHM and position angle. Col. 6: Equivalent circular beam. Col. 7: Peak intensity. Col. 8: Total flux density. Col. 9: Image noise. Values are given for untapered data with both uniform and natural weighting.
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