Ryu 551
0.32
UTI
0.25
CN
1.0
Cdens
0.38
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
2.1 [arcmin]
- CN 0.25 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.38 Low quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
Ryu 551 is a poorly populated, very dense object of low C3 quality. Its parallax locates it at a moderate distance, below 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 | 270.047 | -28.518 | 0.285 | -0.286 | -2.401 | -22.402 |
| Bica et al. | 2019 | 270.047 | -28.522 | â | â | â | â |
đĄ Note: The UCC values are estimated from its identified members.
