Table 1.
Main properties of the selected sample.
| 1718–649 | 1146+596 | |||||
|---|---|---|---|---|---|---|
| Parameter | Symbol | Unit | Value | Ref. | Value | Ref. |
| Radio continuum center α (J2000) | RA | 17h 23m 41s | (1) | 11h 48m 36s | (6) | |
| Radio continuum center δ (J2000) | Dec | −65 ° 00′ 37″ | (1) | −59 ° 24′ 56″ | (6) | |
| Redshift | z | 0.014 | (2) | 0.011 | (7) | |
| Kinematic age | τj | yr | 100 | (3) | 60 | (8) |
| Linear radio size | LS | pc | 2 | (3) | 5 | (8) |
| Hotspot separation velocity | vh | c | 0.07 | (3) | 0.20 | (8) |
| Radio turnover frequency | νp | GHz | 3.25 | (4) | 5 | (8) |
| Galactic column density | NH, Gal | cm−2/1020 | 5.90 | (5) | 1.86 | (5) |
Notes. With the assumed cosmology, 1″ corresponds to 305 pc at z = 0.014 and to 228 pc at z = 0.011 (Wright 2006).
References. (1) Cutri et al. (2003), (2) Meyer et al. (2004), (3) Giroletti & Polatidis (2009), (4) Tingay et al. (2015), (5) HI4PI Collaboration (2016), (6) de Vaucouleurs et al. (1991), (7) van den Bosch et al. (2015), (8) Principe et al. (2020).
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