UBC 309
0.05
UTI
0.88
CN
1.0
Cdens
0.75
CC3
0.0
Clit
0.1
Cdup
Radius (P>50% members)
5.9 [arcmin]
- CN 0.88 Rich
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.0 Rarely studied
- Cdup 0.1 Likely duplicate
Overview
UBC 309 is a rich, very dense object of high 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 6 years.
⚠️ Warning: This is likely a duplicate object, which shares a large percentage of members with at least one previously reported entry. See table with shared members information.
No fundamental parameters
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | – | 238.115 | -55.414 | 0.485 | -1.064 | -2.244 | -21.971 |
| Castro-Ginard et al. | 2020 | 238.1 | -55.408 | 0.462 | -1.036 | -2.239 | – |
💡 Note: The UCC values are estimated from its identified members.
Castro-Ginard et al. (2020): Coincidence with Sim et al. (2019, J. Korean Astron. Soc., 52, 145) or Liu & Pang (2019ApJS..245...32L), see Sect. 4.1.5.