HXHWL 21
0.46
UTI
0.35
CN
0.58
Cdens
0.75
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
5.6 [arcmin]
- CN 0.35 Poorly populated
- Cdens 0.58 Moderately dense
- CC3 0.75 High quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
HXHWL 21 is a poorly populated, moderately dense object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is poorly studied in the literature.
Relatively close
Low 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 | 111.346 | -8.837 | 0.471 | -0.78 | -0.826 | 54.053 |
| Hu & Soubiran | 2025 | 111.349 | -8.842 | â | â | â | â |
| Hunt & Reffert | 2024 | 111.333 | -8.783 | 0.464 | -0.811 | -0.814 | 37.053 |
| Cavallo et al. | 2024 | 111.349 | -8.842 | 0.465 | â | â | â |
| Hunt & Reffert | 2023 | 111.333 | -8.783 | 0.464 | -0.811 | -0.814 | 37.053 |
| He et al. | 2021 | 111.36 | -8.852 | 0.46 | -0.8 | -0.87 | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Hu & Soubiran | 2025 | â | â | â | â | -0.160* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 155* | â | â |
| Cavallo et al. | 2024 | 2.01 | 0.47 | â | 631 | 0.110 | â | â | â |
| Hunt & Reffert | 2023 | 2.00 | 0.18 | 0.60 | 802 | â | â | â | â |
| He et al. | 2021 | 1.66 | 0.12 | â | 1047 | 0.223 | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.