UPK 624
(OCSN 321)
0.75
UTI
0.55
CN
1.0
Cdens
1.0
CC3
0.6
Clit
1.0
Cdup
Radius (P>50% members)
25.1 [arcmin]
- CN 0.55 Moderately populated
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.6 Moderately studied
- Cdup 1.0 Unique
Overview
UPK 624 is a moderately populated, very dense object of very high C3 quality. Its parallax locates it at a very close distance, near the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It is moderately studied in the literature.
Very 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 | 254.187 | -60.464 | 3.154 | -1.545 | -14.389 | 2.913 |
| Li et al. | 2025 | 254.138 | -60.422 | 3.13 | -1.422 | -14.336 | â |
| Almeida et al. | 2025 | 253.999 | -60.395 | â | â | â | â |
| Alfonso et al. | 2024 | 254.088 | -60.301 | 3.123 | -1.545 | -14.361 | â |
| Cavallo et al. | 2024 | 253.985 | -60.359 | 3.125 | â | â | â |
| Hunt & Reffert | 2023 | 254.377 | -60.519 | 3.109 | -1.715 | -14.384 | 1.164 |
| Qin et al. | 2023 | 254.07 | -60.39 | 3.15 | -1.54 | -14.38 | 1.98 |
| Dias et al. | 2021 | 253.999 | -60.395 | 3.14 | -1.414 | -14.361 | 6.403 |
| Cantat-Gaudin et al. | 2020 | 254.138 | -60.422 | 3.13 | -1.422 | -14.336 | â |
| Cantat-Gaudin & Anders | 2020 | 254.138 | -60.422 | 3.166 | -1.35 | -14.355 | â |
| Sim et al. | 2019 | 254.091 | -60.391 | â | -1.44 | -14.33 | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Li et al. | 2025 | 0.29 | 0.33 | â | 55 | -0.023 | â | â | â |
| Almeida et al. | 2025 | 0.33 | 0.51 | â | 64 | â | 55 | â | â |
| Alfonso et al. | 2024 | 0.32 | 0.50 | â | 44 | 0.206 | â | â | â |
| Cavallo et al. | 2024 | 0.32 | 0.70 | â | 22 | 0.140 | â | â | â |
| Hunt & Reffert | 2023 | 0.31 | 0.20 | 0.43 | 25 | â | â | â | â |
| Qin et al. | 2023 | 0.43 | 0.59 | â | 22 | â | â | â | â |
| Dias et al. | 2021 | 0.33 | 0.51 | â | 64 | 0.206 | â | â | â |
| Cantat-Gaudin et al. | 2020 | 0.32 | 0.50 | â | 40 | â | â | â | â |
| Cantat-Gaudin & Anders | 2020 | 0.31 | â | â | â | â | â | â | â |
| Sim et al. | 2019 | 0.33 | â | â | 45 | â | â | â | â |
Almeida et al. (2025)
Mass determination: good fit. Isochrone match: good fit. Silver sample.
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as a moving group.