CWNU 2870
0.65
UTI
0.76
CN
1.0
Cdens
1.0
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
3.7 [arcmin]
- CN 0.76 Rich
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 2870 is a rich, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a massive, near-solar metallicity, very young cluster (see Parameters). It was recently reported in the literature.
Distant
High extinction
Massive
Near-solar metallicity
Very young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 260.265 | -38.057 | 0.264 | -1.016 | -2.211 | 2.015 |
| Hunt & Reffert | 2024 | 260.256 | -38.037 | 0.276 | -0.989 | -2.217 | 6.545 |
| Cavallo et al. | 2024 | 260.257 | -38.088 | 0.275 | â | â | â |
| Hunt & Reffert | 2023 | 260.256 | -38.037 | 0.276 | -0.989 | -2.217 | 6.545 |
| He et al. | 2023 | 260.274 | -38.056 | 0.274 | -1.036 | -2.211 | -44.83 |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Hunt & Reffert | 2024 | â | â | â | â | â | 2596* | â | â |
| Cavallo et al. | 2024 | 3.63 | 4.86 | â | 19 | 0.150 | â | â | â |
| Hunt & Reffert | 2023 | 3.40 | 4.41 | 3.17 | 34 | â | â | â | â |
| He et al. | 2023 | 4.37 | 6.65 | â | 2 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


Cavallo et al. (2024)
Wood sample.