CWNU 2277
0.48
UTI
0.46
CN
0.84
Cdens
0.62
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
3.7 [arcmin]
- CN 0.46 Poorly populated
- Cdens 0.84 Dense
- CC3 0.62 Intermediate quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 2277 is a poorly populated, dense object of intermediate 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, young cluster (see Parameters). It was recently reported in the literature.
Relatively close
High extinction
Massive
Near-solar metallicity
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 279.918 | -8.419 | 0.325 | -0.275 | -2.97 | 52.334 |
| Hunt & Reffert | 2024 | 279.901 | -8.423 | 0.31 | -0.271 | -2.958 | 101.355 |
| Cavallo et al. | 2024 | 279.903 | -8.431 | 0.309 | â | â | â |
| Hunt & Reffert | 2023 | 279.901 | -8.423 | 0.31 | -0.271 | -2.958 | 101.355 |
| He et al. | 2023 | 279.907 | -8.423 | 0.331 | -0.27 | -2.989 | 38.16 |
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 | 1317* | â | â |
| Cavallo et al. | 2024 | 2.41 | 4.13 | â | 60 | -0.280 | â | â | â |
| Hunt & Reffert | 2023 | 2.89 | 4.04 | 2.68 | 74 | â | â | â | â |
| He et al. | 2023 | 2.57 | 3.70 | â | 447 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


Cavallo et al. (2024)
Silver sample.