HSC 271
0.46
UTI
0.53
CN
1.0
Cdens
0.75
CC3
0.0
Clit
1.0
Cdup
Stellar density (N50/rad)
13.2 [N/pc2]
- CN 0.53 Moderately populated
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.0 Rarely 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
HSC 271 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by very high extinction. It is catalogued as a massive, near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.
Note: This object shares a large percentage of members with a later reported entry. See table with shared members information.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 279.001 | -4.611 | 0.31 | -0.989 | -5.149 | 19.786 |
| Hunt & Reffert | 2024 | 279.004 | -4.611 | 0.319 | -1.008 | -5.128 | 20.588 |
| Cavallo et al. | 2024 | 278.986 | -4.593 | 0.318 | â | â | â |
| Hunt & Reffert | 2023 | 279.004 | -4.611 | 0.319 | -1.008 | -5.128 | 20.588 |
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 | 3.215 | 5.095 | 2.24 | 321 | -0.320 | 1523 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 1523(1) | â | â |
| Cavallo et al. | 2024 | 3.72 | 5.14 | â | 200 | -0.320 | â | â | â |
| Hunt & Reffert | 2023 | 2.71 | 5.05 | 2.24 | 442 | 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 optical pair P483, along with UBC_107.
Cavallo et al. (2024)
Silver sample.