Table 1.
Source information and spectral characteristics (Callingham et al. 2017) for the selected sample.
| Source | RA (J2000, | Dec (J2000, | νpeak | Speak | αthick | αthin | Observation, | z |
|---|---|---|---|---|---|---|---|---|
| hh mm ss.sss) | dd mm ss.ss) | (MHz) | (Jy) | calibrator | ||||
| J0231−0433 | 02 31 59.286 | −04 33 57.12 | 272 ± 36 | 0.33 ± 0.06 | 3.5 ± 1.2 | −0.57 ± 0.16 | A, J0228−0337 | 0.188 |
| J0235−0100 | 02 35 16.809 | −01 00 51.66 | 314 ± 79 | 0.27 ± 0.11 | 3.6 ± 1.9 | −0.34 ± 0.34 | A, J0239−0234 | 0.253 |
| J0330−0740 | 03 30 23.115 | −07 40 52.56 | 296 ± 15 | 0.48 ± 0.04 | 3.4 ± 1.5 | −0.23 ± 0.07 | A, J0335−0709 | 0.672 |
| J1509+1406 | 15 09 15.626 | +14 06 14.55 | 128 ± 11 | 2.86 ± 0.07 | 2.6 ± 1.1 | −0.90 ± 0.07 | B, J1507+1236 | ... |
| J1525+0308 | 15 25 48.957 | +03 08 25.95 | 112 ± 30 | 5.51 ± 0.21 | 3.2 ± 2.0 | −0.45 ± 0.12 | B, J1521+0420 | ... |
| J1548+1320 | 15 48 52.740 | +13 20 56.07 | 141 ± 59 | 0.75 ± 0.04 | 3.2 ± 1.3 | −0.79 ± 0.09 | B, J1553+1256 | ... |
Notes. Column 1: source name (J2000). 2: Right ascension. 3: Declination. 4: Observed frequency of spectral peak. 5: Flux density of spectral peak. 6: Spectral index αthick in the optically thick regime derived from a generic curve fit (Callingham et al. 2017). 7: Spectral index αthin in the optically thin regime derived from a generic curve fit. 8: Observation (see Sect. 2) and phase calibrator. 9: Redshift (Slee et al. 1989; Aihara et al. 2011; Jones et al. 2009; “...” if unknown).
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