Table A.1.
Publicly available data for J1304+2938 from different surveys.
| Survey / Instrument | Central frequency | Date | Angular resolution | Flux density | Ref. |
|---|---|---|---|---|---|
| (GHz) | (arcsec) | (mJy) | |||
| LOFAR | 0.130 | < 15/07/2014 | 6×10 | 4.1±0.7 | Hardcastle et al. (2016) |
| LOFAR | 0.138 | < 15/07/2014 | 6×10 | 4.2±0.7 | Hardcastle et al. (2016) |
| LOFAR | 0.146 | < 15/07/2014 | 6×10 | 4.1±0.7 | Hardcastle et al. (2016) |
| LOFAR | 0.150 | < 15/07/2014 | 6×10 | 5.2±0.4 | Hardcastle et al. (2016) |
| LOFAR | 0.154 | < 15/07/2014 | 6×10 | 4.0±0.7 | Hardcastle et al. (2016) |
| LOFAR | 0.161 | < 15/07/2014 | 6×10 | 7.4±1.0 | Hardcastle et al. (2016) |
| LOFAR | 0.169 | < 15/07/2014 | 6×10 | 7.7±1.3 | Hardcastle et al. (2016) |
| RACS | 0.89 | 21/04/2019 | 26×11 | 1.3±0.2 | This work |
| FIRST | 1.4 | 02/04/1993 | 5.4 | 0.79±0.10 | This work |
| Apertif imaging survey | 1.4 | 15/11/2019 | 28.6×11.1 | 1.38±0.04 | This work |
| NVSS | 1.4 | 11/01/1994 | 45 | 1.6±0.4 | This work |
| VLASS1a | 3 | 25/11/2017 | 3.0×2.3 | 0.38±0.10 | This work |
| VLASS1b | 3 | 25/11/2017 | 3.0×2.3 | 1.4±0.5 | This work |
| VLASS2a | 3 | 9/10/2020 | 2.7×2.4 | 0.56±0.12 | This work |
| VLASS2b | 3 | 9/10/2020 | 2.7×2.4 | 1.3±0.3 | This work |
| VLASS-combineda | 3 | 3.0×2.3 | 0.47±0.08 | This work | |
| VLASS-combinedb | 3 | 3.0×2.3 | 1.3±0.3 | This work | |
| WISE | 1.36×104 | < 06/08/2010 | 12 | < 1.6 | Wright et al. (2010) |
| WISE | 1.36×104 | < 06/08/2010 | 12 | < 3.7 | Wright et al. (2010) |
| WISE | 1.36×104 | < 06/08/2010 | 12 | < 4.6 | Wright et al. (2010) |
| WISE | 2.59×104 | < 06/08/2010 | 6.5 | < 0.5 | Wright et al. (2010) |
| WISE | 2.59×104 | < 06/08/2010 | 6.5 | < 0.7 | Wright et al. (2010) |
| WISE | 2.59×104 | < 06/08/2010 | 6.5 | 0.4±0.2 | Wright et al. (2010) |
| WISE | 6.51×104 | < 06/08/2010 | 6.4 | 0.158±0.011 | Wright et al. (2010) |
| WISE | 6.51×104 | < 06/08/2010 | 6.4 | 0.19±0.02 | Wright et al. (2010) |
| WISE | 6.51×104 | < 06/08/2010 | 6.4 | 0.24±0.03 | Wright et al. (2010) |
| WISE | 8.94×104 | < 06/08/2010 | 6.1 | 0.252±0.008 | Wright et al. (2010) |
| WISE | 8.94×104 | < 06/08/2010 | 6.1 | 0.309±0.012 | Wright et al. (2010) |
| WISE | 8.94×104 | < 06/08/2010 | 6.1 | 0.35±0.03 | Wright et al. (2010) |
| SDSS (z) | 3.36×105 | 23/05/2004 | 0.141±0.012 | Ahumada et al. (2020) | |
| SDSS (i) | 4.01×105 | 23/05/2004 | 0.104±0.003 | Ahumada et al. (2020) | |
| SDSS (r) | 4.86×105 | 23/05/2004 | 0.072±0.002 | Ahumada et al. (2020) | |
| SDSS (g) | 6.40×105 | 23/05/2004 | 0.024±0.001 | Ahumada et al. (2020) | |
| SDSS (u) | 8.45×105 | 23/05/2004 | 0.010±0.003 | Ahumada et al. (2020) |
Notes.Column 1: survey or instrument. Column 2: observing frequency (GHz). Column 3: Date of the observation. Column 4: angular resolution (arcsec). Column 5: Flux density (mJy). The upper limits for the flux density are given with a 1 σ confidence. Column 6: References.
a From JMFIT peak intensity.
b From JMFIT integral intensity.
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