UBC 273
0.57
UTI
0.45
CN
1.0
Cdens
0.75
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
3.1 [arcmin]
- CN 0.45 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
UBC 273 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 low extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It is poorly studied in the literature.
Note: This object shares a large percentage of members with 2 later reported entries. See table with shared members information.
Relatively close
Low extinction
Near-solar metallicity
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 170.312 | -60.556 | 0.43 | -6.348 | 1.155 | â |
| Hunt & Reffert | 2024 | 170.317 | -60.565 | 0.426 | -6.339 | 1.206 | â |
| Cavallo et al. | 2024 | 170.303 | -60.563 | 0.427 | â | â | â |
| Hunt & Reffert | 2023 | 170.317 | -60.565 | 0.426 | -6.339 | 1.206 | â |
| Cantat-Gaudin et al. | 2020 | 170.302 | -60.568 | 0.428 | -6.328 | 1.131 | â |
| Castro-Ginard et al. | 2020 | 170.309 | -60.565 | 0.43 | -6.314 | 1.148 | â |
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 | 391* | â | â |
| Cavallo et al. | 2024 | 1.80 | 0.51 | â | 389 | 0.240 | â | â | â |
| Hunt & Reffert | 2023 | 2.18 | 1.17 | 0.89 | 50 | â | â | â | â |
| Cantat-Gaudin et al. | 2020 | 2.20 | 0.73 | â | 46 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


Cavallo et al. (2024)
Gold sample.