UBC 1239
0.26
UTI
0.0
CN
0.41
Cdens
0.75
CC3
0.06
Clit
1.0
Cdup
Nm (P>50%)
24
Core radius and density
1.4 [pc], 2.1 [pc-2]
- CN 0.0 Sparse
- Cdens 0.41 Loose
- CC3 0.75 High quality
- Clit 0.06 Rarely studied
- Cdup 1.0 Unique
Overview
UBC 1239 is a sparse, loose object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a metal-rich, very young cluster (see Parameters). It is rarely studied in the literature.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 38.362 | 60.013 | 0.337 | 0.088 | -0.394 | â |
| Hunt & Reffert | 2024 | 38.348 | 60.01 | 0.327 | 0.094 | -0.406 | â |
| Cavallo et al. | 2024 | 38.362 | 60.024 | 0.328 | â | â | â |
| Hunt & Reffert | 2023 | 38.348 | 60.01 | 0.327 | 0.094 | -0.406 | â |
| Castro-Ginard et al. | 2022 | 38.36 | 60.03 | 0.34 | 0.06 | -0.42 | 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] | Bfrac | BSS |
|---|---|---|---|---|---|---|---|---|---|
| UCC | 99999â | 2.92 | 2.88 | 1.25 | 8 | 0.630 | 385 | â | â |
| Hunt & Reffert | 2024 | 2.72 | 3.03 | 1.25 | 7 | â | 385(1) | â | â |
| Cavallo et al. | 2024 | 3.73 | 2.73 | â | 10 | 0.630 | â | â | â |
| Hunt & Reffert | 2023 | 2.72 | 3.03 | 1.25 | 7 | â | â | â | â |
| Castro-Ginard et al. | 2022 | 3.12 | 2.50 | â | 13 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
MOCA


Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.68 (50th percentile).
Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.68 (50th percentile).