HSC 2731
0.44
UTI
0.43
CN
1.0
Cdens
0.75
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
2.5 [arcmin]
- CN 0.43 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 2731 is a poorly 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, very metal-rich, 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
Very high extinction
Massive
Very metal-rich
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 237.653 | -55.09 | 0.298 | -2.971 | -2.61 | -40.167 |
| Hunt & Reffert | 2024 | 237.668 | -55.074 | 0.31 | -3.012 | -2.616 | -26.294 |
| Cavallo et al. | 2024 | 237.643 | -55.081 | 0.309 | â | â | â |
| Hunt & Reffert | 2023 | 237.668 | -55.074 | 0.31 | -3.012 | -2.616 | -26.294 |
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 | 1368* | â | â |
| Cavallo et al. | 2024 | 3.37 | 5.04 | â | 7 | 1.040 | â | â | â |
| Hunt & Reffert | 2023 | 2.75 | 5.65 | 2.67 | 1140 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Wood sample.