HSC 251
0.49
UTI
0.68
CN
1.0
Cdens
0.75
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
2.9 [arcmin]
- CN 0.68 Moderately populated
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 251 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 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.
Relatively close
Very 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 | 279.347 | -6.286 | 0.334 | 0.777 | -1.033 | 6.484 |
| Hunt & Reffert | 2024 | 279.332 | -6.297 | 0.338 | 0.754 | -1.053 | 1.579 |
| Cavallo et al. | 2024 | 279.373 | -6.289 | 0.337 | â | â | â |
| Hunt & Reffert | 2023 | 279.332 | -6.297 | 0.338 | 0.754 | -1.053 | 1.579 |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Hunt & Reffert | 2024 | â | â | â | â | â | 2533* | â | â |
| Cavallo et al. | 2024 | 2.62 | 5.11 | â | 275 | 0.140 | â | â | â |
| Hunt & Reffert | 2023 | 2.57 | 5.50 | 3.01 | 486 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Wood sample.