Table 4.
Derived source properties including the observed EVN peak flux densities, the integrated flux densities, the deconvolved beam sizes, rms noise levels, the calculated brightness temperatures corrected for redshift by a factor of (1 + z), and the recovered VLA flux fractions.
| Source name | EVN Sp | EVN Si | SVLBI/SVLA | Beam | Tb | Angular size | Linear size |
|---|---|---|---|---|---|---|---|
| [μJy beam−1] | [μJy] | [mas × mas (°)] | [105 K] | [mas × mas (°)] | [parsec2] | ||
| J123555.14 | 110.2 ± 15.2 | 201.1 ± 40.2 | 0.95 | 12.8 × 10.4 (14.5) | 5.2 ± 0.7 | 23.9 × 22.3 (131.4) | 116.7 × 186.9 |
| J123600.10 | < 42.6 | – | < 0.16 | 12.6 × 10.5 (11.0) | < 5.6 | – | – |
| J131225.73 | < 41.0 | – | < 0.05 | 17.8 × 11.7 (−1.0) | < 2.4 | – | – |
| J163650.43 | < 47.2 | – | < 0.22 | 18.5 × 11.6 (1.4) | < 3.5 | – | – |
Notes. For the undetected sources, we derived the 3-σ upper limit on the SVLBI/SVLA ratio. The de-convolved angular sizes of the sources measured by a Gaussian fitting using JMFIT and the spatial sizes at the distances of the sources calculated using the redshift information (Wright 2006). The VLBI detected source J123555.14 has two components, as the southern component was only detected at a 4-σ level providing weak reliability, we only present its brighter northern component here. For the three undetected sources, we derived their upper limits with a 3σ threshold.
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