Table 2.
Coordinates of the host galaxies of 3 spectacular XRGs selected by us from LoTSS-DR2 (Fig. 3).
| Source | RA (J2000) | Dec (J2000) | z | Size | Size | S144 | P144 | σmap |
|---|---|---|---|---|---|---|---|---|
| (″) | (kpc) | (Jy) | (×1026 W Hz−1) | (μJy beam−1) | ||||
| J0941+3227 | 09:41:46.10 | +32:27:18.64 | 0.45261 ± 0.00005 | 110 | 634 | 0.90 ± 0.09 | 6.0 | 103 |
| J1328+5654 | 13:28:31.82 | +56:54:59.41 | 0.651 ± 0.073 | 61 | 427 | 0.34 ± 0.03 | 5.2 | 65 |
| J1552+6534 | 15:52:06.34 | +65:34:24.57 | − | 128 | − | 0.25 ± 0.03 | − | 91 |
Notes. The redshift (z), taken from the Sloan Digital Sky Survey (SDSS; York et al. 2000), is spectroscopic for J0941+3227 and photometric for J1328+5654. The sizes refer to the separation between the two hotspots (in the primary lobes). S144 is the integrated flux density at 144 MHz (LoTSS-DR2) and P144 the corresponding total radio luminosity. σmap is the rms noise in the maps (Fig. 3). Throughout this paper, we have adopted a flat cosmology with parameters Ωm = 0.27, and a Hubble constant of H0 = 71 km s−1 Mpc−1.
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