HSC 281
0.36
UTI
0.28
CN
1.0
Cdens
0.5
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
1.6 [arcmin]
- CN 0.28 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.5 Intermediate quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 281 is a poorly populated, very dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a massive, metal-rich, young 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
Metal-rich
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 280.84 | -4.376 | 0.252 | -1.308 | -3.365 | 57.033 |
| Hunt & Reffert | 2024 | 280.845 | -4.382 | 0.254 | -1.282 | -3.342 | 54.853 |
| Cavallo et al. | 2024 | 280.847 | -4.373 | 0.258 | â | â | â |
| Hunt & Reffert | 2023 | 280.845 | -4.382 | 0.254 | -1.282 | -3.342 | 54.853 |
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 | 2178* | â | â |
| Cavallo et al. | 2024 | 5.47 | 4.36 | â | 18 | 0.740 | â | â | â |
| Hunt & Reffert | 2023 | 3.43 | 4.95 | 2.79 | 75 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Wood sample.