CWNU 1291
0.28
UTI
0.0
CN
0.14
Cdens
0.62
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
9.0 [arcmin]
- CN 0.0 Sparse
- Cdens 0.14 Very loose
- CC3 0.62 Intermediate quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 1291 is a sparse, very loose object of intermediate C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.
Relatively close
Moderate extinction
Near-solar metallicity
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 99.727 | -3.895 | 0.459 | -1.373 | -1.112 | 56.481 |
| Hu & Soubiran | 2025 | 99.839 | -4.046 | â | â | â | â |
| Zhang et al. | 2024 | 99.63 | -3.769 | â | â | â | â |
| Cavallo et al. | 2024 | 99.839 | -4.046 | 0.463 | â | â | â |
| Hunt & Reffert | 2023 | 99.63 | -3.769 | 0.467 | -1.343 | -1.097 | 50.457 |
| He et al. | 2023 | 99.702 | -3.839 | 0.47 | -1.374 | -1.108 | 65.3 |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Hu & Soubiran | 2025 | â | â | â | â | -0.170* | â | â | â |
| Zhang et al. | 2024 | â | â | â | â | -0.214* | â | â | â |
| Cavallo et al. | 2024 | 2.00 | 1.26 | â | 617 | -0.090 | â | â | â |
| Hunt & Reffert | 2023 | 2.00 | 1.03 | 1.17 | 447 | â | â | â | â |
| He et al. | 2023 | 2.09 | 1.50 | â | 398 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as a moving group.