HSC 156
0.31
UTI
0.31
CN
0.16
Cdens
1.0
CC3
0.03
Clit
1.0
Cdup
Nm (P>50%)
31
Core radius and density
2.0 [pc], 0.8 [pc-2]
- CN 0.31 Poorly populated
- Cdens 0.16 Very loose
- CC3 1.0 Very high quality
- Clit 0.03 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 156 is a poorly populated, very loose object of very high C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a metal-rich, intermediate-age 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 | 269.673 | -16.221 | 0.606 | -0.696 | -5.007 | 11.233 |
| Hunt & Reffert | 2024 | 269.689 | -16.204 | 0.588 | -0.676 | -4.973 | 9.182 |
| Cavallo et al. | 2024 | 269.704 | -16.202 | 0.59 | â | â | â |
| Hunt & Reffert | 2023 | 269.689 | -16.204 | 0.588 | -0.676 | -4.973 | 9.182 |
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 | 1.59 | 1.65 | 1.34 | 168 | 0.540 | 256 | â | â |
| Hunt & Reffert | 2024 | 1.59 | 1.65 | 1.34 | 168 | â | 256(1) | â | â |
| Cavallo et al. | 2024 | 1.63 | 1.68 | â | 178 | 0.540 | â | â | â |
| Hunt & Reffert | 2023 | 1.59 | 1.65 | 1.34 | 167 | 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.
Hunt & Reffert (2024)
Classified as open cluster. CMD class: 1.00 (50th percentile).
Hunt & Reffert (2023)
Classified as open cluster. CMD class: 1.00 (50th percentile).