Ryu 581
0.25
UTI
0.0
CN
1.0
Cdens
0.25
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
1.7 [arcmin]
- CN 0.0 Sparse
- Cdens 1.0 Very dense
- CC3 0.25 Low quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
Ryu 581 is a sparse, very dense object of low C3 quality. Its parallax locates it at a moderate distance, near the mid-plane. No fundamental parameter values are available for this object. It is rarely studied in the literature, with no articles listed in the last 7 years.
No fundamental parameters
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 269.858 | -24.981 | 0.309 | -1.018 | -2.46 | â |
| Bica et al. | 2019 | 269.848 | -24.988 | â | â | â | â |
đĄ Note: The UCC values are estimated from its identified members.
