Table 11.
Variability index calculated between our VLBI observations and RFC observations.
| Source | Obs. | Date | ν | beam | Sint | V | |||
|---|---|---|---|---|---|---|---|---|---|
| (GHz) | (mas × mas,°) | (mJy) | |||||||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | |||
| 200109A | |||||||||
| TXS 1100+122 | RFC | 30 Apr 2004 | 8.6 | 2.0 × 0.9, 1.1 | 311 ± 31 | ||||
| VLBA | 04 Feb 2020 | 8.4 | 2.2 × 1.0, −6.3 | 409 ± 41 | 0.04 | ||||
| RFC | 01 Aug 2007 | 8.6 | 2.2 × 1.2, 35.1 | 403 ± 41 | |||||
| VLBA | 04 Feb 2020 | 8.4 | 2.2 × 1.0, −6.3 | 409 ± 41 | −0.09 | ||||
| RFC | 20 Feb 2012 | 8.6 | 2.0 × 0.9, 8.0 | 150 ± 15 | |||||
| VLBA | 04 Feb 2020 | 8.4 | 2.2 × 1.0, −6.3 | 409 ± 41 | 0.38 | ||||
| 201114A | |||||||||
| NVSS J065844+063711 | RFC | 08+09 Apr 2013 | 4.3 | 4.6 × 1.9, −7.3 | 22.5 ± 2.4 | ||||
| EVN | 01+02 Dec 2020 | 4.9 | 1.8 × 1.1, 82.4 | 12.9 ± 1.3 | 0.17 | ||||
| RFC | 08+09 Apr 2013 | 7.6 | 2.8 × 1.1, −12.2 | 23.2 ± 2.6 | |||||
| VLBA | 06 Dec 2020 | 8.4 | 2.0 × 1.0, 2.2 | 14.7 ± 1.6 | 0.12 | ||||
| RFC | 19 Oct 2013 | 7.6 | 2.2 × 1.3, −3.3 | 15.2 ± 1.6 | |||||
| VLBA | 06 Dec 2020 | 8.4 | 2.0 × 1.0, 2.2 | 14.7 ± 1.6 | −0.09 | ||||
Notes. Column 1: candidate neutrino counterpart; Col. 2: origin of the VLBI observation: RFC or our VLBA or EVN observations; Col. 3: date of observation; Col. 4: frequency in GHz; Col. 5: major axis (mas), minor axis (mas), and PA (in degrees, measured from north to east) of the restoring beam; Col. 6: integrated flux density in mJy; Col. 7: variability index. Negative values of V mean that the source does not show variability (Aller et al. 1992).
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