PHOC 21
0.27
UTI
0.0
CN
0.09
Cdens
0.75
CC3
0.25
Clit
1.0
Cdup
Stellar density (N50/rad)
0.4 [N/pc2]
- CN 0.0 Sparse
- Cdens 0.09 Very loose
- CC3 0.75 High quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
PHOC 21 is a sparse, very loose 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.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 121.757 | -21.091 | 0.477 | -1.5 | 0.747 | 44.708 |
| Hunt & Reffert | 2024 | 121.742 | -21.088 | 0.484 | -1.491 | 0.752 | 44.735 |
| Cavallo et al. | 2024 | 121.723 | -21.091 | 0.482 | â | â | â |
| Hunt & Reffert | 2023 | 121.742 | -21.088 | 0.484 | -1.491 | 0.752 | 44.735 |
| Hunt & Reffert | 2021 | 121.782 | -21.085 | 0.457 | -1.533 | 0.718 | 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 | 1.905 | 0.14 | 0.28 | 384 | 0.180 | 58 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 58(1) | â | â |
| Cavallo et al. | 2024 | 1.86 | 0.17 | â | 389 | 0.180 | â | â | â |
| Hunt & Reffert | 2023 | 1.95 | 0.11 | 0.28 | 378 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
MOCA


Cavallo et al. (2024)
Gold sample.