CWNU 1538
0.26
UTI
0.0
CN
0.29
Cdens
0.5
CC3
0.25
Clit
1.0
Cdup
Stellar density (N50/rad)
1.5 [N/pc2]
- CN 0.0 Sparse
- Cdens 0.29 Loose
- CC3 0.5 Intermediate quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
đĨ Members
đ Colab
đŦ Bayestar19
MOCA
đ CDS
đ Simbad
đ CDS (Îą, δ)
đ Simbad (Îą, δ)
MOCA
đ CDS
đ Simbad
đ CDS (Îą, δ)
đ Simbad (Îą, δ)
Overview
CWNU 1538 is a sparse, loose object of intermediate 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, young cluster (see Parameters). It was recently reported in the literature.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 249.039 | -49.171 | 0.595 | -1.604 | -4.553 | -52.274 |
| Hunt & Reffert | 2024 | 249.028 | -49.14 | 0.591 | -1.6 | -4.549 | -52.398 |
| Cavallo et al. | 2024 | 248.952 | -49.187 | 0.592 | â | â | â |
| Hunt & Reffert | 2023 | 249.028 | -49.14 | 0.591 | -1.6 | -4.549 | -52.398 |
| He et al. | 2023 | 248.98 | -49.18 | 0.597 | -1.591 | -4.55 | 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] | Bfrac | BSS |
|---|---|---|---|---|---|---|---|---|---|
| UCC | 99999â | 1.58 | 2.67 | 0.46 | 56 | 0.090 | 215 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 215(1) | â | â |
| Cavallo et al. | 2024 | 1.51 | 2.67 | â | 56 | 0.090 | â | â | â |
| Hunt & Reffert | 2023 | 1.61 | 2.57 | 0.46 | 82 | â | â | â | â |
| He et al. | 2023 | 1.58 | 2.90 | â | 13 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Palma et al. (2025)
Classified as tidal capture (resonant trapping pair) P6, along with CWNU_1529.
Cavallo et al. (2024)
Gold sample.