CWNU 155
0.61
UTI
0.56
CN
1.0
Cdens
1.0
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
4.6 [arcmin]
- CN 0.56 Moderately populated
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 155 is a moderately populated, very dense object of very high C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It is poorly studied in the literature.
Note: This object shares a moderate percentage of members with a later reported entry. See table with shared members information.
Relatively close
Moderate extinction
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 | 273.451 | -21.061 | 0.777 | 0.829 | -0.946 | -7.244 |
| Hunt & Reffert | 2024 | 273.462 | -21.062 | 0.769 | 0.839 | -0.923 | 19.64 |
| Cavallo et al. | 2024 | 273.468 | -21.066 | 0.771 | â | â | â |
| Hunt & Reffert | 2023 | 273.462 | -21.062 | 0.769 | 0.839 | -0.923 | 19.64 |
| He et al. | 2022 | 273.452 | -21.08 | 0.78 | 0.81 | -0.95 | â |
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 | 357* | â | â |
| Cavallo et al. | 2024 | 1.36 | 1.40 | â | 18 | -0.600 | â | â | â |
| Hunt & Reffert | 2023 | 1.21 | 0.95 | 1.09 | 14 | â | â | â | â |
| He et al. | 2022 | 1.58 | 1.14 | â | 10 | 0.744 | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Silver sample.