HSC 1613
0.24
UTI
0.31
CN
0.18
Cdens
0.5
CC3
0.1
Clit
1.0
Cdup
Nm (P>50%)
31
Core radius and density
2.2 [pc], 0.9 [pc-2]
- CN 0.31 Poorly populated
- Cdens 0.18 Very loose
- CC3 0.5 Intermediate quality
- Clit 0.1 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 1613 is a poorly populated, very loose object of intermediate 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, old cluster, but with a large variance across recent sources for the metallicity parameter (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.
â ī¸ Warning: the low UTI value and no obvious signs of duplication (Cdup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 94.578 | 4.622 | 0.282 | -0.473 | -0.428 | 60.729 |
| Hu & Soubiran | 2025 | 94.585 | 4.599 | â | â | â | â |
| Zhang et al. | 2024 | 94.577 | 4.622 | â | â | â | â |
| Hunt & Reffert | 2024 | 94.577 | 4.622 | 0.266 | -0.479 | -0.406 | 56.89 |
| Cavallo et al. | 2024 | 94.585 | 4.599 | 0.267 | â | â | â |
| Hunt & Reffert | 2023 | 94.577 | 4.622 | 0.266 | -0.479 | -0.406 | 56.89 |
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 | 3.07 | 1.71 | 1.39 | 1486 | -0.228 | 309 | â | â |
| Hu & Soubiran | 2025 | â | â | â | â | -0.070(5) | â | â | â |
| Zhang et al. | 2024 | â | â | â | â | -0.228(1) | â | â | â |
| Hunt & Reffert | 2024 | 3.07 | 1.71 | 1.39 | 1487 | â | 309(1) | â | â |
| Cavallo et al. | 2024 | 3.50 | 2.40 | â | 1318 | -0.650 | â | â | â |
| Hunt & Reffert | 2023 | 3.07 | 1.71 | 1.39 | 1486 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.12 (50th percentile).
Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.12 (50th percentile).