CWNU 1638
0.43
UTI
0.3
CN
0.62
Cdens
0.75
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
5.3 [arcmin]
- CN 0.3 Poorly populated
- Cdens 0.62 Moderately dense
- CC3 0.75 High quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 1638 is a poorly populated, moderately dense object of high 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 | 233.482 | -59.628 | 0.495 | -4.258 | -4.429 | -36.93 |
| Hunt & Reffert | 2024 | 233.45 | -59.681 | 0.488 | -4.267 | -4.44 | -36.88 |
| Cavallo et al. | 2024 | 233.443 | -59.637 | 0.485 | â | â | â |
| Hunt & Reffert | 2023 | 233.45 | -59.681 | 0.488 | -4.267 | -4.44 | -36.88 |
| He et al. | 2023 | 233.48 | -59.641 | 0.493 | -4.253 | -4.434 | -36.35 |
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 | 94* | â | â |
| Cavallo et al. | 2024 | 2.09 | 1.49 | â | 355 | 0.240 | â | â | â |
| Hunt & Reffert | 2023 | 1.95 | 1.50 | 0.82 | 218 | â | â | â | â |
| He et al. | 2023 | 1.91 | 1.55 | â | 501 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.