CWNU 81
0.11
UTI
0.0
CN
0.16
Cdens
0.38
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
15.8 [arcmin]
- CN 0.0 Sparse
- Cdens 0.16 Very loose
- CC3 0.38 Low quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
CWNU 81 is a sparse, very loose object of low C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a metal-rich, very young cluster (see Parameters). It is rarely studied in the literature.
Note: This object shares a moderate percentage of members with 2 later reported entries. See table with shared members information.
â ī¸ Warning: the low UTI value and no obvious signs of duplication (Cdup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.
Relatively close
Moderate extinction
Metal-rich
Very young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 98.961 | 10.236 | 0.848 | -1.613 | -0.88 | 5.044 |
| He et al. | 2022 | 98.865 | 10.445 | 0.93 | -1.64 | -0.89 | 112.3 |
đĄ Note: The UCC values are estimated from its identified members.
| Reference | Year | Dist [kpc] | Av [mag] | DAv [mag] | Age [Myr] | [Fe/H] [dex] | Mass [Msun] | Bfr | BSS |
|---|---|---|---|---|---|---|---|---|---|
| He et al. | 2022 | 1.62 | 2.28 | â | 6 | 0.968 | â | â | â |
