HSC 1099
0.56
UTI
0.55
CN
1.0
Cdens
0.75
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
2.8 [arcmin]
- CN 0.55 Moderately populated
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
HSC 1099 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by 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.
Distant
High extinction
Massive
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 | 37.119 | 60.148 | 0.267 | -1.243 | -0.812 | -49.381 |
| Hu & Soubiran | 2025 | 37.123 | 60.143 | â | â | â | â |
| Hunt & Reffert | 2024 | 37.12 | 60.137 | 0.271 | -1.253 | -0.794 | -32.535 |
| Cavallo et al. | 2024 | 37.123 | 60.143 | 0.268 | â | â | â |
| Hunt & Reffert | 2023 | 37.12 | 60.137 | 0.271 | -1.253 | -0.794 | -32.535 |
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 | 0.040* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 1159* | â | â |
| Cavallo et al. | 2024 | 3.21 | 3.67 | â | 537 | 0.010 | â | â | â |
| Hunt & Reffert | 2023 | 3.24 | 3.77 | 1.67 | 205 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.